Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6254284 | Optical pickup having optical waveguide device fixed on stem with wedge-shaped device fixing member interposed and method of manufacturing the same | Yoshio Yoshida | 2001-07-03 |
| 5663845 | Magnetic recording/reproducing apparatus | Tatsushi Yamamoto, Shigeaki Kakiwaki, Tohru Okuda, Hideo Okada, Masaji Tsuji +1 more | 1997-09-02 |
| 5491594 | Magnetic recording/reproducing apparatus | Tatsushi Yamamoto, Sigeaki Kakiwaki, Tohru Okuda, Hideo Okada, Masaji Tsuji +1 more | 1996-02-13 |