Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5544004 | Pin-board matrix switch | Shuichiro Inagaki, Shigefumi Hosokawa | 1996-08-06 |
| 4343023 | Magnetic recording and reproduction of digital information | Kazutoshi Nishimura | 1982-08-03 |