Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4810863 | Read/write apparatus for information memory card | Kenjiro Kachi | 1989-03-07 |
| 4743745 | Optical memory card reader | Kenjiro Kachi | 1988-05-10 |
| 4667474 | Stirling engine | Toshihide Koda, Kiyoshi Taketoh, Tadahiro Yoshida | 1987-05-26 |