Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4511627 | Sandwich glasses | Itsuo Tanuma, Hideo Takeichi, Yukio Fukuura, Kazuo Naito | 1985-04-16 |
| 4294732 | Rubber mounting compositions | Koichi Irako | 1981-10-13 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4511627 | Sandwich glasses | Itsuo Tanuma, Hideo Takeichi, Yukio Fukuura, Kazuo Naito | 1985-04-16 |
| 4294732 | Rubber mounting compositions | Koichi Irako | 1981-10-13 |