Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4546737 | Valve-seat insert for internal combustion engines | Testuya Suganuma, Naoki Motooka, Nobuhito Kuroishi | 1985-10-15 |
| 4524046 | Method for manufacturing a cam-cam shaft assembly | Tetsuya Suganuma, Shuichi Fujita, Yoshitaka Takahashi, Katsuhiko Ueda, Hitoshi Nakamura | 1985-06-18 |
| 4518563 | Method for manufacturing a slide member | Tetsuya Suganuma | 1985-05-21 |
| 4491477 | Anti-wear sintered alloy and manufacturing process thereof | Tetsuya Suganuma, Shuichi Fujita, Yoshitaka Takahashi, Takeshi Okujo | 1985-01-01 |