Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5315457 | Magnetic recording apparatus with pilot signal recorded in successive tracks with changing pilot frequency | Koichi Ono, Seiichi Hataoka | 1994-05-24 |
| 4843610 | Semiconductor laser apparatus | Nozomu Yamaguchi | 1989-06-27 |
| 4737961 | Semiconductor laser with complementary mesa structures | Yoshifumi Mori | 1988-04-12 |