
Company Profile
| Company Name | SLK Inc. (System Lab Katsuyama) |
| Representative | Yoshihiko Katsuyama |
| Location | Hulic Building 10F, 1-1-7 Sakuragicho, Naka-ku, Yokohama 231-0062 Japan |
| Founded | November 22, 2021 (as SLK LLC) → November 2024 (converted to SLK Inc.) |
| Phone Number | 045−228−5144 |
| Business Activities | Technology development consulting, contract design and manufacturing of development products and evaluation test equipment, and overseas technology and procurement support |
| Company Background | 37 years in the space development business at NEC, followed by 6 years working on structural manufacturing at a CFRP molding company. After retiring, founded SLK LLC in November 2021 and began operations that December. Building on this experience, the Company operates primarily as a technical consultancy for space systems, covering a wide range from New Space to Old Space, and leads a team of experienced members. |
| Major Clients (in no particular order) |
NEC Corporation |
Past Projects
| Client | Project description | Year(s) |
| RIKEN | Thermal and structural design of laser equipment | 2022 |
| Nikon Corporation | Consulting on satellite-borne optical systems | 2022 |
| SAKASE ADTECH CO., LTD. | Lightweight thin-film solar array paddles | 2022−2024 |
| Super Resin, Inc. | Research for the prototyping of multifunctional structures | 2022 |
| Synspective Inc. | Design support for SAR satellite equipment | 2022−2025 |
| Next-generation Space System Technology Research Association (NeSTRA) | Project support work | 2023−2026 |
| Japan Aerospace Exploration Agency (JAXA) | Numerous design studies related to scientific satellites | 2023−2025 |
| NEC Corporation | Numerous design support tasks for satellite-borne equipment | 2023−2026 |
| Orbital Lasers Co., Ltd. | Project support work | 2024−2025 |
| ArkEdge Space Inc. | Design support for satellite-borne equipment | 2025−2026 |
| Toyota Motor Corporation | Deployment/stowage mechanism and fabrication for the solar array of a crewed pressurized rover | 2025−2026 |
| Obayashi Corporation | Support for work on Lunar Power Generation Tower project | 2024−2025 |
| Axcelspace Corporation | Design support for satellite-borned equipment | 2025 |
| The University of Tokyo, Graduate School of Engineering, Department of Aeronautics and Astronautics, Funase/Ikari Laboratory | Satellite system design support | 2026 |