Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4862777 | Method and apparatus for forming surfaces on piston rings | Shigeo Sakurai | 1989-09-05 |
| 4256346 | Wheels for vehicles, such as motorcycles | Takeshi Kawaguchi, Yasuhisa Kobayashi | 1981-03-17 |
| 4181365 | Wheels for motorcycles | Takeshi Kawaguchi, Yasuhisa Kobayashi | 1980-01-01 |