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Interview with Chol Gyu Lee, second cohort participant of CIRCULAR STARTUP TOKYO
An interview with Chol Gyu Lee, a participant in the second cohort of "CIRCULAR STARTUP TOKYO," has been published on the online platform "Circular Economy Hub," which focuses on circular economy topics. After earning...
![[Event Report] CIRCULAR STARTUP TOKYO Second Cohort Final Demo & Exhibition Day](https://circularstartup.tokyo/wp-content/uploads/2025/03/S7R0123-400x250.jpg)
[Event Report] CIRCULAR STARTUP TOKYO Second Cohort Final Demo & Exhibition Day
Circular Startup Tokyo (CST), a startup incubation program focused on the circular economy, was successfully concluded with the Final Demo & Exhibition Day. The program was organized in collaboration between Harch...
1st-term participant of CIRCULAR STARTUP TOKYO, Helsieni’s Mayuko Miyagaki, Featured on Circular Economy Hub
An article featuring Mayuko Miyagaki, a first-term participant of CIRCULAR STARTUP TOKYO, has been published on Circular Economy Hub, an online platform dedicated to the circular economy! Helsieni, a Finnish startup,...
![[Event Report] Interim Demo Day for the Second Cohort Held](https://circularstartup.tokyo/wp-content/uploads/2025/02/19-400x250.jpg)
[Event Report] Interim Demo Day for the Second Cohort Held
"CIRCULAR STARTUP TOKYO" is an incubation program that supports the launch of startups specializing in the circular economy sector. Participants engage in a variety of lectures on circular economy, receive mentoring...
Final demo & exhibition day for the second cohort of “CIRCULAR STARTUP TOKYO” to be held
We will host the Final Demo & Exhibition Day on March 7, the grand finale of the second cohort of CIRCULAR STARTUP TOKYO, a startup incubation program dedicated to the circular economy. What is CIRCULAR STARTUP TOKYO?...
Shibuya Fertilizer’s Tsubonuma Supports “Air Conditioner Unit Sweet Potato Greening System”—Event Report Published on “GREEN WORK STYLE”
Tsubonuma of Shibuya Fertilizer, a participant in the second cohort of "CIRCULAR STARTUP TOKYO," supports the "Air Conditioner Unit Sweet Potato Greening System," an initiative carried out on the rooftops of office...
“Decarbonization dialogue vol.2: weaving Yokohama’s future through repair” – CYKLUS representative Hirata takes the stage
On Tuesday, January 21, CYKLUS representative Hirata, a participant in the second cohort of CIRCULAR STARTUP TOKYO, spoke at "Decarbonization dialogue vol.2: weaving Yokohama’s future through repair," a...
CYKLUS organizes and operates the environmental event “Ecomaki” at Tokyu Fudosan’s commercial facility
CYKLUS LLC, a second-term participant in Circular Startup Tokyo, collaborated with TOKYU LAND CORPORATION, TOKYU LAND SC MANAGEMENT CORPORATION, and Free Standard Inc. to organize the sustainable event "Ecomaki The...
![[Event Report] Imagining Circular Futures — Design, Technology, and Lifestyle at the CIRCULAR STARTUP TOKYO Special Academic Session](https://circularstartup.tokyo/wp-content/uploads/2026/02/shutterstock_2509295269-400x250.jpg)
[Event Report] Imagining Circular Futures — Design, Technology, and Lifestyle at the CIRCULAR STARTUP TOKYO Special Academic Session
As environmental and social challenges such as climate change, biodiversity loss, and resource security risks grow increasingly complex and urgent, more countries around the world are accelerating their transition...
![[Event Report] 5th Circular Business Design Lecture: “Circular Economy and Finance” Held](https://circularstartup.tokyo/wp-content/uploads/2025/01/cst5_4-400x250.jpg)
[Event Report] 5th Circular Business Design Lecture: “Circular Economy and Finance” Held
CIRCULAR STARTUP TOKYO is an incubation program dedicated to supporting startups in the circular economy sector. Over a five-month period, participants receive mentoring from entrepreneurs and experts active in the...
![[Event report] 4th Circular Business Design Lecture: “Circular Economy and Product Design”](https://circularstartup.tokyo/wp-content/uploads/2025/02/img_1739935609-400x250.jpg)
[Event report] 4th Circular Business Design Lecture: “Circular Economy and Product Design”
CIRCULAR STARTUP TOKYO is an incubation program dedicated to supporting startups in the circular economy sector. Over a five-month period, participants receive mentoring from entrepreneurs and experts active in the...
Imagining Circular Futures: transitioning to a circular society through design, technology, and lifestyle —Special open academic session of CIRCULAR STARTUP TOKYO—
As global challenges such as climate change, biodiversity loss, resource constraints, and increasing security risks and conflicts gain prominence, the transition to a circular economy is becoming an urgent priority...
Shibuya Fertilizer’s representative, Tsubonuma, presents at “POTLUCK FES & AWARD ’24”
On September 27, Japan's largest regional economy event, POTLUCK FES & AWARD '24, was held at POTLUCK YAESU (5th floor, Tokyo Midtown Yaesu). Takahiro Tsubonuma, representative of Shibuya Fertilizer LLC (hereafter,...
![[Event report]: 3rd Circular Business Design Lecture: “Circular Economy and Service Design”](https://circularstartup.tokyo/wp-content/uploads/2100/12/DSC_0084-2-1-400x250.jpg)
[Event report]: 3rd Circular Business Design Lecture: “Circular Economy and Service Design”
CIRCULAR STARTUP TOKYO is an incubation program dedicated to supporting startups in the circular economy sector. Over a five-month period, participants receive mentoring from entrepreneurs and experts active in the...
![[Event Report] First Circular Business Design Lecture: “Circular Economy and System Design”](https://circularstartup.tokyo/wp-content/uploads/2024/11/241122_lecture1_emf_diagram_minemura-400x250.jpg)
[Event Report] First Circular Business Design Lecture: “Circular Economy and System Design”
CIRCULAR STARTUP TOKYO is an incubation program specifically designed to support startups in the circular economy sector. Through a variety of lectures on the circular economy, expert mentoring, and interim and final...
Exhibited and presented at “SDGs Week EXPO 2024: Circular Partnership EXPO”
Harch Inc.(hereafter, Harch), which operates the circular economy-focused startup support program "CIRCULAR STARTUP TOKYO" in collaboration with the Tokyo Metropolitan Government, participated in the "SDGs Week EXPO...
![[Event report] “CIRCULAR STARTUP TOKYO” Phase 2 Kickoff! Lectures by Nakadai and Kamakura Investment, and Pitches from all 16 teams](https://circularstartup.tokyo/wp-content/uploads/2024/11/IMG_6526-400x250.jpg)
[Event report] “CIRCULAR STARTUP TOKYO” Phase 2 Kickoff! Lectures by Nakadai and Kamakura Investment, and Pitches from all 16 teams
The second phase of "CIRCULAR STARTUP TOKYO," a startup support program specializing in the circular economy, officially kicked off on November 14, 2024. This program is jointly operated by Harch Inc., which operates...
Participating teams selected for the second cohort of “CIRCULAR STARTUP TOKYO,” a circular economy-focused startup support program
Participants for the second cohort of CIRCULAR STARTUP TOKYO, a startup support program focused on the circular economy and operated by Harch, Inc. in collaboration with the Tokyo Metropolitan Government, has been...
CIRCULAR STARTUP TOKYO 1st term participant, Hiroki Iwasawa of Water and Old House Co., featured in Circular Economy Hub
An article featuring Hiroki Iwasawa, CEO of Water and Old House Co., a participant in the first cohort of "CIRCULAR STARTUP TOKYO," has been published on Circular Economy Hub, a global platform for learning about the...
CIRCULAR STARTUP TOKYO 1st term participant, Mayuko Miyagaki of Helsieni, featured in Life Hugger
Life Hugger, a web media platform sharing ideas, products, and services for a richer and more sustainable daily life, has featured an article on Mayuko Miyagaki of Helsieni, a participant in the first cohort of...
![[Event report] Circular economy-focused startup incubation program “CIRCULAR STARTUP TOKYO” information session held](https://circularstartup.tokyo/wp-content/uploads/2024/09/DSC_0217のコピー-400x250.jpg)
[Event report] Circular economy-focused startup incubation program “CIRCULAR STARTUP TOKYO” information session held
On September 19, we held an information session for applicants interested in our startup incubation program, "CIRCULAR STARTUP TOKYO," which focuses on the circular economy and is conducted in collaboration with the...
CIRCULAR STARTUP TOKYO begins accepting applications for second term participants and partners!
CIRCULAR STARTUP TOKYO is a 4-month incubation program for those who aim to start a new business, create a new business, or raise funds in the circular economy field, which has recently been attracting attention due to...
Information session for the second cohort of CIRCULAR STARTUP TOKYO
As environmental and social challenges such as climate change, biodiversity loss, resource constraints, and security risks related to global conflicts become increasingly apparent, the world is shifting toward a...
![[Event Report] First Cohort’s Final Demo Day Held](https://circularstartup.tokyo/wp-content/uploads/2025/02/IMG_4182_edited-400x250.jpg)
[Event Report] First Cohort’s Final Demo Day Held
CIRCULAR STARTUP TOKYO (CST), a startup support program focused on the circular economy, was jointly organized by Harch Inc., the operator of the circular economy media platform 'Circular Economy Hub,' and the Tokyo...
CIRCULAR STARTUP TOKYO 1st term participant, Yutaro Koyanagi of JOYCLE, featured in Circular Economy Hub
Circular Economy Hub, a web media site where you can learn about the global circular economy, featured an article on CIRCULAR STARTUP TOKYO’s first term participant, Yutaro Koyanagi of JOYCLE Corporation. JOYCLE has...
CIRCULAR STARTUP TOKYO to host final Demo Day for its first cohort
Harch Inc. will host the final Demo Day for the first cohort of CIRCULAR STARTUP TOKYO, a startup incubation program specializing in the circular economy, on August 3, 2024. What is CIRCULAR STARTUP TOKYO? CIRCULAR...
CIRCULAR STARTUP TOKYO 1st term participant, Tomonobu Shigeta of PHI, featured in Circular Economy Hub
Circular Economy Hub, a web media site where you can learn about the global circular economy, featured an article on CIRCULAR STARTUP TOKYO’s first term participant, Tomonobu Shigeta of PHI (phi/Φ) Corporation. PHI is...
CIRCULAR STARTUP TOKYO 1st term participant, Oki Circular Design Lab, featured in Livhub
Livhub, a web media for experiencing sustainable and extraordinary things, featured an article on CIRCULAR STARTUP TOKYO’s first term participant, Keiichi Fujishiro and Masami Terada of Oki Circular Design Lab. The...
CIRCULAR STARTUP TOKYO 1st term participant, Junya Kubo of Heritage, featured in Circular Economy Hub
Circular Economy Hub, a web media for learning about the global circular economy, featured an article on CIRCULAR STARTUP TOKYO’s first term participant, Junya Kubo of Heritage. He talks about the social issues he...
CIRCULAR STARTUP TOKYO 1st term participant, Yoshinari Takahashi, featured in IDEAS FOR GOOD
IDEAS FOR GOOD, a web media that collects ideas for making society better, featured an article on CIRCULAR STARTUP TOKYO's first term participant, Yoshinari Takahashi! The article is an interview with Takahashi about...
![[Event report] Archetype Ventures and KAMAN host third lecture of circular incubation program](https://circularstartup.tokyo/wp-content/uploads/2024/07/DSC_0327-1-400x250.jpg)
[Event report] Archetype Ventures and KAMAN host third lecture of circular incubation program
The third of four lectures on circular incubation by Archetype Ventures and KAMAN was held on May 21 as part of the incubation program of CIRCULAR STARTUP TOKYO. The content of this lecture was "Circular Economy and...
![[Event report] CIRCULAR STARTUP TOKYO hosts 1st lecture by Circle Design and Zoukei Kousou!](https://circularstartup.tokyo/wp-content/uploads/2024/05/DSC_0046_1-400x250.jpg)
[Event report] CIRCULAR STARTUP TOKYO hosts 1st lecture by Circle Design and Zoukei Kousou!
"CIRCULAR STARTUP TOKYO" is an incubation program that supports the establishment of startup companies specializing in the circular economy area. Participants will receive support from the program, which consists of...
![[Event report] Nakadai and Kamakura Investment Management lectures, 16 teams’ pitches! CIRCULAR STARTUP TOKYO kick-off](https://circularstartup.tokyo/wp-content/uploads/2024/05/DSC_0144_1-400x250.jpg)
[Event report] Nakadai and Kamakura Investment Management lectures, 16 teams’ pitches! CIRCULAR STARTUP TOKYO kick-off
The "CIRCULAR STARTUP TOKYO," an incubation program for startup companies specializing in the circular economy, was kicked off in collaboration with Harch Inc., operator of the circular economy media platform Circular...
Circular Startup Fermenstation wins in global pitch contest “SusHi Tech Challenge 2024”
The SusHi Tech Challenge 2024, a two-day pitch contest, was held at SusHi Tech Tokyo 2024 hosted by the Tokyo Metropolitan Government on May 15, 2024, with 20 startups selected from 507 startups from 43 countries and...
Participating teams selected for CIRCULAR STARTUP TOKYO, a circular economy startup incubation program!
We are pleased to announce the participants of "CIRCULAR STARTUP TOKYO," a circular economy startup incubation program specializing in the circular economy. CIRCULAR STARTUP TOKYO is a 5-month incubation program for...
![[Event report] Briefing session for “CIRCULAR STARTUP TOKYO,” a circular economy startup incubation program](https://circularstartup.tokyo/wp-content/uploads/2124/03/cst-402403-eye-1-400x250.webp)
[Event report] Briefing session for “CIRCULAR STARTUP TOKYO,” a circular economy startup incubation program
On March 7, a briefing session for prospective participants of "CIRCULAR STARTUP TOKYO," a circular economy startup incubation program, was held. The program is implemented in collaboration with the Tokyo Metropolitan...
Launching “CIRCULAR STARTUP TOKYO,” a circular economy startup incubation program
As a partner of the Tokyo Metropolitan Government's "TOKYO SUTEAM," a startup support and development project by various entities, "CIRCULAR STARTUP TOKYO" will launch in April 2024. This program specializes in...