ABOUT
OUR VISION
DRIVING TRANSFORMATION
ACROSS THE SPACE INDUSTRY
A shapeless industry.
Untapped potential.
In Japan, space remains a dream.
We believe it’s time for change.
The space industry must evolve, from one-of-a-kind art pieces to a true industrial products
Only then a sustainable future in space can emerge.
Through Japanese craftsmanship, we will spark a movement that begins in Japan and expands across Asia and the world.
Following in the footsteps of the automobile we will build a meaningful new industry.
Let’s ignite a chain of innovation
that transforms the space industry.
WHERE WE
COME FROM
LAUNCH HERITAGE
One of Interstellar’s greatest strengths is the experience we have gained from the seven launches of MOMO, both our successes and our setbacks. We move forward with the future we envision by pursuing craftsmanship and developing unique technologies. These values continue to guide us today.
F107-30-2017
F206-30-2018
［ 1st successful launch ］
F305-04-2019
F407-27-2019
F506–14-2020
［ 2nd successful launch ］
F707-03-2021
［ 3rd successful launch ］
F607-31-2021
OUR TEAM
TAKAHIRO INAGAWA
Representative Director and Chief Executive Officer
After earning his Master’s in Mechanical and Physical Engineering from Institute of Science Tokyo, Inagawa joined Interstellar Technologies in 2013 and stepped into the role of CEO in 2014. As an engineer-turned-executive, he led the team to success in 2019 with the launch of MOMO, the first commercial suborbital rocket in Japan to reach space. Today, he is driving the company’s satellite communications division. By vertically integrating launch and satellite services, he is dedicated to leading Interstellar’s mission of “Empowering Society Through Space Infrastructure.”
Representative Director and Chief Executive Officer
TAKAHIRO INAGAWA
SATOSHI NAKAYAMA
Representative Director and President
After his graduate degree in Mechanical Engineering at the Shibaura Institute of Technology, Nakayama joined Mitsubishi Precision where he spent 12 years developing onboard equipment for rockets and satellites. He served as Project Manager for the development of navigation sensors used in Japan's major launch vehicles, including Government-operated rockets. In January 2021, he joined Interstellar Technologies, where he oversaw avionics development, reliability engineering, and quality assurance. He was appointed General Manager of the Development Department in September of the same year. In May 2024, he became Director and VP of Launch Vehicle, leading all rocket development. In February 2026, he assumed the role of Representative Director and President, driving rocket development and business growth under the vision of “Driving Transformation Across the Space Industry.”
Representative Director and President
SATOSHI NAKAYAMA
KEIJI ATSUTA
Director and Chief Operating Officer
Graduated from Kyushu University with a degree in Aerospace Engineering. After joining Mitsubishi Corporation, he was in charge of overseas sales and business investment in the automotive industry. While stationed overseas, he was transferred to an invested subsidiary and engaged in corporate planning and strategy development. He joined Frontier Management Inc., where he mainly formulated medium- to long-term strategies for small and medium-sized companies in the food manufacturing and restaurant industries and supported their implementation. He joined Interstellar Technologies Inc. in January 2022, and is responsible for business development, corporate planning, PR and marketing. He was appointed to the Board as COO in May 2024.
Director and Chief Operating Officer
KEIJI ATSUTA
TAKAHIRO TSUJI
Director and Chief Financial Officer
After graduating from the University of Tokyo with a degree in Economics, he joined the Development Bank of Japan, where he focused on financing space and aircraft manufacturers for 12 years. While overseeing client coverage for Japan and globally in heavy industry, he also held concurrent roles at a start-up rocket company, responsible for global business development and general administration. Additionally, he was seconded to the headquarters of the Dutch financial institution ING, engaging in global operations ranging from practical business matters to regional revitalization. In 2022, he founded HR-Rocket Co., Ltd., providing human capital and financial support primarily to Japanese space startups and agencies. As part of this support, he has been involved with Interstellar Technologies Inc. since April 2023 as a financial advisor and was appointed to the Board as CFO in May 2024.
Director and Chief Financial Officer
TAKAHIRO TSUJI
COMPANY PROFILE
| COMPANY | Interstellar Technologies Inc. |
|---|---|
| ESTABLISHMENT | January 2013 |
| BOARD OF DIRECTORS | Takahiro Inagawa, Representative Director and Chief Executive Officer Satoshi Nakayama, Representative Director and President Keiji Atsuta, Director and Chief Operating Officer Takahiro Tsuji, Director and Chief Financial Officer Takafumi Horie, Director Hajime Kumabe, Outside Director Masaru Tange, Outside Director Ken Uryu, Outside Director Hitoshi Nakamura, Outside Director Hiromi Maki, Standing Audit & Supervisory Board Member Tokuo Hasegawa, Outside Audit & Supervisory Board Member Takahiro Yamaoka, Outside Audit & Supervisory Board Member |
| BUSINESS | Space Transportation Services, Satellite Communication Services |
| HEADQUARTERS | 149-7, Memu, Taiki, Hiroo-gun, Hokkaido 089-2113, Japan |
| REGISTERED OFFICE | 690-4, Memu, Taiki, Hiroo-gun, Hokkaido 089-2113, Japan |
| BRANCHES | Tokyo Branch 6F, Tokyo East 21, 6-3-2, Toyo, Koto-ku, Tokyo 135-0016, Japan Tokyo Second Branch 2F, East Net Building, 7-1-2, Toyo, Koto-ku, Tokyo 135-0016, Japan Tohoku Branch 61-1 Kitahara, Hansaki, Odaka-ku, Minamisoma City, Fukushima 979-2162, Japan Obihiro Branch 33-2, Odori Minami, Obihiro, Hokkaido, 080-0010, Japan |
| PRINCIPAL SHAREHOLDERS | Woven by Toyota Marubeni Corporation Sumitomo Mitsui Banking Corporation Nomura Real Estate Development NTT DOCOMO The SBI Group Space Frontier Fund II B Dash Ventures Japanet Holdings SMBC Edge and others |
| PRINCIPAL BANKS | Resona Bank, Chiba Bank, North Pacific Bank, Obihiro Shinkin Bank and other |