Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6130396 | Electric resistance welding system | Hiroshi Hasegawa | 2000-10-10 |
| 4920438 | Magnetic head unit and method of manufacturing the same | Kazuo Kobayshi | 1990-04-24 |
| 4835642 | Magnetic head assembly for double-sided disk drive apparatus | Masao Kumagai, Tadami Sugawara, Hatsuo Sasaki, Yuichi Hishi, Atsushi Takahashi | 1989-05-30 |