Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5989640 | Propellant-free lustering and protecting agent for rubber, vinyl, and the like | Tetsuo Kijima, Nobuhiro Yoshikawa | 1999-11-23 |
| 5844007 | Lustering and protecting agent for rubber, vinyl, and the like | Tetsuo Kijima, Nobuhiro Yoshikawa | 1998-12-01 |
| 4901155 | Signal processing system for large screen display apparatus | Zenichiro Hara | 1990-02-13 |
| 4833542 | Large screen display apparatus having modular structure | Zenichiro Hara | 1989-05-23 |