Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D326666 | Electric saw | Kouichi Miyamoto | 1992-06-02 |
| D295716 | Whetstone | Yutaka Kanamaru | 1988-05-17 |
| D291110 | Fishing reel | Masakazu Sakamoto | 1987-07-28 |
| D284639 | Door lock | Yoshihiko Matsuo | 1986-07-15 |
| D282236 | Electric plane | Yutaka Kanamaru | 1986-01-21 |
| D281188 | Fishing reel | Yutaka Kanamaru | 1985-10-29 |
| D281189 | Fishing reel | Etsuo Hiraishi | 1985-10-29 |
| D280846 | Fishing reel | Masakazu Sakamoto | 1985-10-01 |
| D277694 | Fishing reel | Masakazu Sakamoto | 1985-02-19 |
| D275983 | Fishing reel | Masakazu Sakamoto | 1984-10-16 |
| D274640 | Fishing reel | Masakazu Sakamoto | 1984-07-10 |
| D274212 | Door closer | — | 1984-06-12 |
| D273691 | Fishing rod grip | Masakazu Sakamoto | 1984-05-01 |
| D273457 | Door closer | Yoshihiko Matsuo | 1984-04-17 |
| D273016 | Printing machine | Etsuo Hiraishi | 1984-03-13 |
| D271845 | Door closer | Yoshihiko Matsuo | 1983-12-20 |
| D269899 | Fishing reel | Masakazu Sakamoto | 1983-07-26 |
| D265497 | Fishing reel | Masakazu Sakamoto | 1982-07-20 |
| D265210 | Printing machine | Etsuo Hitaishi | 1982-06-29 |
| D261411 | Fishing rod grip | Tetsuyuki Doi | 1981-10-20 |
| D261297 | Fishing reel | Masakazu Sakamoto | 1981-10-13 |
| D259205 | Fishing spinning reel | Tetsuyuki Doi | 1981-05-12 |
| D257688 | Fishing spinning reel | Tetsuyuki Doi | 1980-12-23 |
| D257167 | Fishing reel | Kikuo Tsunoda | 1980-09-30 |
| D257170 | Fishing reel | Masakazu Sakamoto | 1980-09-30 |