Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5966918 | Yarn false twisting device | Toshikazu Nishiyama | 1999-10-19 |
| 4880176 | Yarn end finding device | Isamu Matsui, Hiroshi Uchida, Hirao Otojima | 1989-11-14 |
| 4661960 | Semiconductor lasers | Noriyuki Hirayama, Masaaki Ohshima, Naoki Takenaka | 1987-04-28 |
| 4309679 | Surface acoustic wave filter | Nobuaki Furuya, Hiroshi Miyama | 1982-01-05 |