Space BD Participates as Cooperating Organization in Ohkuma Diamond Devices' Technology Development Project for JAXA Space Strategic Fund Program
Space BD Inc. announces its participation as a cooperating organization in a technology development project led by Ohkuma Diamond Devices Inc. for the JAXA Space Strategic Fund Program. The project focuses on utilizing diamond semiconductors to overcome thermal constraints and improve the performance of small SAR satellites, with Space BD providing comprehensive support from development to market implementation.
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- 📰 Published: April 8, 2026 at 22:00
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Space BD Inc. (Headquarters: Chuo-ku, Tokyo; President and CEO: Masatoshi Nagasaki; hereinafter "Space BD"), a company offering comprehensive services in the space industry, announces its participation as a cooperating organization in "SX-ARK" (Heat and Devices Domain), one of the technology development themes under the "Space Strategic Fund Project" publicly solicited by the Japan Aerospace Exploration Agency (JAXA).
This project, led by Ohkuma Diamond Devices Inc. (Headquarters: Sapporo, Hokkaido; Representative Director: Naohisa Hoshikawa; hereinafter "Ohkuma Diamond Devices"), was selected as "Research and Development concerning breaking the thermal constraints and improving performance of small SAR using diamond semiconductors." Space BD will support the promotion of this challenge with a view towards its application in the space sector.
### About this Project
This project aims to improve the thermal design flexibility and observation performance of satellites by utilizing Ohkuma Diamond Devices' diamond semiconductor technology to address the critical thermal constraints caused by transmitting power amplifiers (PA) in small SAR satellites.
In this project, Space BD will comprehensively support the technology development through to market implementation. This includes formulating ground test specifications and managing their progress for performance verification in space environments, extracting and providing feedback on technical requirements with a view to spacecraft integration, and supporting initial customer development and market expansion by leveraging its domestic and international network of satellite and component manufacturers.
### Project Selection Overview
* Technology Development Theme Name: SX Core Area Development Research "SX-ARK" (Heat and Devices) Domain
* Implementing Organization (Lead Organization): Ohkuma Diamond Devices Inc.
* Principal Investigator: Naohisa Hoshikawa
* Technology Development Challenge Name: Research and Development concerning breaking the thermal constraints and improving performance of small SAR using diamond semiconductors
* Related Information: https://fund.jaxa.jp/content/uploads/kekka2_18.pdf
### About Space BD Inc.
Space BD is a "Space Trading Company®" that aims to develop Japan's space business into a world-leading industry. Since its establishment on September 1, 2017, Space BD has provided one-stop services for various space applications, including the provision of abundant transportation means to space and the utilization of space environments such as the International Space Station (ISS). Leveraging its sales capabilities and business development expertise based on technological strength, its members with diverse career backgrounds engage in supporting the commercialization and business transformation of public and private sector space activities, as well as educational fields.
As of January 2026, the company has handled over 100 satellites and accumulated over 620 space experiment achievements.
Company Name: Space BD Inc.
Headquarters: Nihonbashi Mitsui Tower 7F, 2-1-1 Nihonbashi Muromachi, Chuo-ku, Tokyo
Representative: Masatoshi Nagasaki, Representative Director and President
Established: September 1, 2017
Business Activities: Various services in space.
This project, led by Ohkuma Diamond Devices Inc. (Headquarters: Sapporo, Hokkaido; Representative Director: Naohisa Hoshikawa; hereinafter "Ohkuma Diamond Devices"), was selected as "Research and Development concerning breaking the thermal constraints and improving performance of small SAR using diamond semiconductors." Space BD will support the promotion of this challenge with a view towards its application in the space sector.
### About this Project
This project aims to improve the thermal design flexibility and observation performance of satellites by utilizing Ohkuma Diamond Devices' diamond semiconductor technology to address the critical thermal constraints caused by transmitting power amplifiers (PA) in small SAR satellites.
In this project, Space BD will comprehensively support the technology development through to market implementation. This includes formulating ground test specifications and managing their progress for performance verification in space environments, extracting and providing feedback on technical requirements with a view to spacecraft integration, and supporting initial customer development and market expansion by leveraging its domestic and international network of satellite and component manufacturers.
### Project Selection Overview
* Technology Development Theme Name: SX Core Area Development Research "SX-ARK" (Heat and Devices) Domain
* Implementing Organization (Lead Organization): Ohkuma Diamond Devices Inc.
* Principal Investigator: Naohisa Hoshikawa
* Technology Development Challenge Name: Research and Development concerning breaking the thermal constraints and improving performance of small SAR using diamond semiconductors
* Related Information: https://fund.jaxa.jp/content/uploads/kekka2_18.pdf
### About Space BD Inc.
Space BD is a "Space Trading Company®" that aims to develop Japan's space business into a world-leading industry. Since its establishment on September 1, 2017, Space BD has provided one-stop services for various space applications, including the provision of abundant transportation means to space and the utilization of space environments such as the International Space Station (ISS). Leveraging its sales capabilities and business development expertise based on technological strength, its members with diverse career backgrounds engage in supporting the commercialization and business transformation of public and private sector space activities, as well as educational fields.
As of January 2026, the company has handled over 100 satellites and accumulated over 620 space experiment achievements.
Company Name: Space BD Inc.
Headquarters: Nihonbashi Mitsui Tower 7F, 2-1-1 Nihonbashi Muromachi, Chuo-ku, Tokyo
Representative: Masatoshi Nagasaki, Representative Director and President
Established: September 1, 2017
Business Activities: Various services in space.