Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5016828 | Shredding machine | Tatsuya Utsumi, Shinji Kawamura, Tetsuya Itoh, Naofumi Okada | 1991-05-21 |
| 4890797 | Automatic paper feeder for document shredder | Yoshihalu Fujii, Yukitoshi Fujita | 1990-01-02 |
| 4821967 | Paper shredder paper feeding system | — | 1989-04-18 |