Drawing on the knowledge cultivated over many years at the forefront of space development, and on the collaborative power of specialists across various disciplines, SLK identifies the technical support our clients truly need and provides support from concept to realization.
Thank you for visiting the SLK Inc. website. We assist our clients in solving challenges primarily through technical consulting in space technology, contract design and manufacturing of development products and evaluation test equipment, and overseas technology and procurement support.
I have been involved in space development for many years. Throughout this experience, I have come to appreciate the importance of taking a multidisciplinary approach across mechanisms, structures, thermal engineering, electrical engineering, optics, and other disciplines rather than considering each technology in isolation.
SLK brings together specialists with extensive experience in space technology. Our strength lies in our ability to pool their collective knowledge and work with our clients to develop solutions that are practical and achievable. Even when the work is challenging, we approach it with dedication while cherishing the fascination of technology and the enjoyment of creating things.
Going forward, we will continue to prioritize dialogue with our clients and work to keep projects moving forward steadily. We look forward to your continued support of SLK Inc.
Yoshihiko Katsuyama, Representative Director
Career History
| April 1979 | Joined NEC Corporation |
| July 1999 | Seconded to NEC Aerospace Systems, Ltd. |
| October 2001 | Seconded upon the establishment of NEC TOSHIBA Space Systems, Ltd. |
| April 2012 | Returned to NEC Corporation as Chief Engineer, Space Systems Division |
| March 2015 | Reached retirement age at NEC Corporation |
| March 2016 | Left NEC Corporation |
| April 2016 | Joined Super Resin, Inc. |
| August 2019 | Appointed President of Super Resin, Inc. |
| December 2021 | Resigned and retired as President of Super Resin, Inc. |
| November 2021 | Founded SLK LLC and became its Representative |
| November 2024 | Became Representative Director of SLK Inc. (following organizational conversion) |
Space Projects Led
As Design Lead
- Antenna structural design for equipment onboard rockets (N rocket, TT-500 rocket)
- Structural design of HGA for Suisei (PLANET-A) spacecraft
- MOS-1 (Momo-1) MESSR marine observation sensor
- Momo-1 X-ANT X-band antenna for data transmission
- MUSES-B 2-axis gimbal
- JERS-1 VNIR/SWIR
- ROCSAT OCI visible and near-infrared radiometer system (exported to Taiwan)
- Triaxial woven fabric for HGA onboard Nozomi (PLANET-B) spacecraft
- Active Universal Joint (AUJ) (gimbal mechanism)
As Structural Systems Manager
- Broadcast antenna for Broadcasting Satellite-3 (BS-3)
- OCTS ocean color and temperature scanning radiometer onboard ADEOS (Midori)
- Antenna onboard COMETS (Kakehashi)
- FLC antenna onboard DRTS (Kodama)
- ASTER VNIR / 3-sensor system
- OICETS (Kirari) LUCE optical communication terminal
- FSM (fast steering mechanism) ground model (for optical communication terminal)
- ALOS (Daichi) PRISM large optical system
- ALOS satellite structure systems management
- JEMICS antenna, co-developed with Moog
- JEM-SEDA deployment mechanism
- Hayabusa ion thruster gimbal, co-developed with Moog
- ASNARO OPS SiC mirror development
As Project Manager
- Hayabusa (MUSES-C) LIDAR laser ranging instrument
- TANSO (equipment that measures greenhouse gases) onboard GOSAT (Ibuki)
- 6-degree-of-freedom focus adjustment mechanism
- Future large-aperture optical sensor
Others
Chaired numerous design reviews