Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4822662 | Machine parts with wear-resistant surface brought into contact with elongated fibrous member | Takashi Ishii, Hajime Kohama, Hisao Yabe, Akira Yano | 1989-04-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4822662 | Machine parts with wear-resistant surface brought into contact with elongated fibrous member | Takashi Ishii, Hajime Kohama, Hisao Yabe, Akira Yano | 1989-04-18 |