Issued Patents All Time
Showing 26–44 of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D328094 | Copying machine | Hisakazu Shimizu, Yosuke Osawa, Mitsuru Sakurai | 1992-07-21 |
| D321206 | Copying machine | Yosuke Osawa | 1991-10-29 |
| D321205 | Copying machine | — | 1991-10-29 |
| D321004 | Copying machine | Yosuke Osawa | 1991-10-22 |
| D317938 | Copying machine | Yosuke Osawa | 1991-07-02 |
| D316725 | Automatic developer exchanging device for a photocopier | Minoru Aoyama | 1991-05-07 |
| D316424 | Copying machine | Tomohiko Hirata, Minoru Aoyama | 1991-04-23 |
| D316425 | Copying machine | Minoru Aoyama, Tomohiko Hirata | 1991-04-23 |
| D316426 | Paper supply cassette | Masataka Isomoto | 1991-04-23 |
| D315574 | Copying machine | Minoru Aoyama, Tomohiko Hirata | 1991-03-19 |
| D314212 | Developing device for copying machine | Yutaka Okayama | 1991-01-29 |
| D313814 | Copying machine | Tomohiko Hirata, Minoru Aoyama, Yosuke Ohsawa | 1991-01-15 |
| D312449 | Portable editing tablet | — | 1990-11-27 |
| D312269 | Toner case for copying machine | Satoe Nakajima | 1990-11-20 |
| D312270 | Toner container for photo-copier | Satoe Nakajima | 1990-11-20 |
| D312271 | Toner container for photo-copier | Satoe Nakajima | 1990-11-20 |
| D310539 | Developing device for copying machine | Yutaka Okayama | 1990-09-11 |
| D309632 | Sorter for copier | Minoru Aoyama, Tomohiko Hirata, Mitsuru Sakurai | 1990-07-31 |
| D308885 | Developing device for copying machine | Yutaka Okayama | 1990-06-26 |