Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5587731 | Ink retainer | Shigeru Ueno | 1996-12-24 |
| 5180755 | Method for producing antistatic polyurethane resin | Shigeru Ueno | 1993-01-19 |
| 4937273 | Process for producing antibacterial flexible polyurethane foam | Toru Okuyama, Yasuo Kamimura | 1990-06-26 |