Issued Patents All Time
Showing 26–41 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D344748 | Computer ribbon reinking system | Keiichi Emura, Hiroshi Wada | 1994-03-01 |
| D338038 | Ball point pen | Toshiya Hamai | 1993-08-03 |
| D314978 | Writing instrument | — | 1991-02-26 |
| D312837 | Writing instrument | — | 1990-12-11 |
| D312659 | Writing instrument | — | 1990-12-04 |
| D308697 | Writing instrument clip | — | 1990-06-19 |
| 4902151 | Writing instrument with plural elements | Katsuo Asano | 1990-02-20 |
| D305551 | Pen cap or similar article | — | 1990-01-16 |
| D279993 | Mechanical pencil or similar article | — | 1985-08-06 |
| D266856 | Pen cap or similar article | — | 1982-11-09 |
| D263318 | Pen or similar article | — | 1982-03-09 |
| D259792 | Marking pen or similar article | Kunio Itoh | 1981-07-07 |
| D258218 | Ball point pen or similar article | — | 1981-02-10 |
| D258219 | Automatic pencil or similar article | — | 1981-02-10 |
| D258220 | Clip for a writing instrument or the like | — | 1981-02-10 |
| D256926 | Pen cap or similar article | — | 1980-09-16 |