Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4959041 | Tensioner for a chain, a belt or the like | Juji Ojima, Kazuo Ishii | 1990-09-25 |
| 4902266 | Tensioner for a chain, a belt or the like | Juji Ojima, Kazuo Ishii | 1990-02-20 |