Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4509803 | Sliding member having a novel pore structure on the sliding surface thereof | Akira Takenaka, Keiichi Shimasaki | 1985-04-09 |
| 4416458 | Mechanical face seal with minute pores in sliding surface | Akira Takenaka, Keiichi Shimazaki | 1983-11-22 |
| 4316834 | Wear resistant sliding element having a low coefficient of friction | Hiroshi Ueda, Masao Shimazaki | 1982-02-23 |
| 4302379 | Wear resistant sliding element having a low coefficient of friction | Hiroshi Ueda, Masao Shimazaki | 1981-11-24 |
| 4205858 | Shaft-sealing sliding member | Masao Shimazaki, Hiroshi Ueda | 1980-06-03 |