Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7366381 | Optical waveguide chip and optical component comprising same | Kentarou Tamaki, Hideaki Takase, Yuuichi Eriyama, Hideyuki Fujiwara | 2008-04-29 |
| 6002659 | Disk drive device | Mikio Ogusu, Hiroshi Sobukawa | 1999-12-14 |
| 5875168 | Pickup device for a disk drive device | Mikio Ogusu, Hiroshi Sobukawa | 1999-02-23 |
| 4959739 | Magnetic recording and/or reproducing apparatus having tape loading and unloading mechanism | Kazumasu Tsutsumi | 1990-09-25 |
| 4868693 | Magnetic recording and/or reproducing apparatus | Kazumasu Tsutsumi | 1989-09-19 |