Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6030542 | Polyester film for leader tapes, and a production process thereof | Ken Sato, Kazuo Okabe | 2000-02-29 |
| 5302452 | Drawn plastic product and a method for drawing a plastic product | Tsugihiko Kai, Masao Seki, Fumiko Kawai | 1994-04-12 |