Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12183365 | Glass spacer and hard disk drive device | Kazuaki Hashimoto, Naoyuki Higuchi | 2024-12-31 |
| 11869538 | Method for manufacturing glass spacer, glass spacer, and hard disk drive device | Kazuaki Hashimoto, Naoyuki Higuchi | 2024-01-09 |
| 6463023 | Optical head and method for monitoring light source output in optical head | — | 2002-10-08 |
| 5600131 | Photodetecting device with simple interconnection between a photodetector and a flexible printed wiring board | — | 1997-02-04 |
| 5050157 | Friction reducing piezoelectric feed guide mechanism | Susumu Ito | 1991-09-17 |
| 4922477 | Optical head unit | — | 1990-05-01 |