Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6833214 | Multiple uneven plate and separator using multiple uneven plate | Jun Funatsu, Kouichi Ikushima | 2004-12-21 |
| 6490778 | Multiple uneven plate, multiple uneven plate bending mold, multiple uneven plate manufacturing method and separator using multiple uneven plate | Jun Funatsu, Kouichi Ikushima | 2002-12-10 |
| 4903224 | Optical information recording disk | Tohru Namiki, Fumio Matsui, Yosiaki Fuse | 1990-02-20 |
| 4700338 | Automatic loading disc player | Masanori Sugihara, Atsushi Kurosawa, Akihiko Okamoto, Akira Bessho, Kenji Okuda +2 more | 1987-10-13 |
| 4695996 | Automatic loading disc player | Masanori Sugihara, Atsushi Kurosawa, Akihiko Okamoto, Toshiyuki Kimoto, Tomomitsu Kouno | 1987-09-22 |