Issued Patents All Time
Showing 26–41 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5069097 | Paper-cutting machine and method of cutting paper | — | 1991-12-03 |
| 5048767 | Cutter for shredder | — | 1991-09-17 |
| D306460 | Punch | — | 1990-03-06 |
| 4827641 | Index device | — | 1989-05-09 |
| D300332 | Punch | — | 1989-03-21 |
| 4685232 | Index device | — | 1987-08-11 |
| D285939 | Telephone index or the like | — | 1986-09-30 |
| 4594927 | Punch having improved cutter attachment means | — | 1986-06-17 |
| D279798 | Tool for settling paper to be punched with numerous perforations | — | 1985-07-23 |
| 4509397 | Punch and perforation jig assembly having position maintaining feature | Jun Watanabe, Katsutaka Kudo | 1985-04-09 |
| 4499805 | Punch for office use | — | 1985-02-19 |
| 4466322 | Punch for office use | — | 1984-08-21 |
| 4435906 | Perforating jig | — | 1984-03-13 |
| D254915 | Telephone index or the like | — | 1980-05-06 |
| D254916 | Telephone index or the like | — | 1980-05-06 |
| 4183161 | Index device | — | 1980-01-15 |