Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D299035 | Shredder | Hiroshi Nishibori, Ritsuko Makihara, Yoichi Tatsuta, Mikio Kosako | 1988-12-20 |
| D292294 | Electronic copying machine | Hiroshi Nishibori, Kunio Akiyama | 1987-10-13 |
| D292004 | Electronic copying machine | — | 1987-09-22 |
| D286409 | Sorter | Mikio Kosako | 1986-10-28 |
| D285965 | Sphygmomanometer | Hiroshi Nishibori | 1986-09-30 |
| D284029 | Digital sphygmomanometer | Hiroshi Nishibori | 1986-05-27 |
| D283915 | Sphygmomanometer | Mikio Kosako, Hiroshi Nishibori, Kazumi Osaka | 1986-05-20 |
| D281699 | Sorter | — | 1985-12-10 |
| D279903 | Electronic copying machine | Mikio Kosako, Hiroshi Nishibori | 1985-07-30 |