Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6199869 | Sealing device | Hideyuki Furuyama, Kouichi Mizunoya, Satoshi Yamanaka | 2001-03-13 |
| 6102409 | Sealing device | Hideyuki Furuyama, Kouichi Mizunoya, Satoshi Yamanaka | 2000-08-15 |
| 4986552 | Excluder type seal with sliding friction reducing feature | Jun Isomoto, Nobuo Takei | 1991-01-22 |
| 4974860 | Sealing device | Jun Isomoto, Nobuo Takei | 1990-12-04 |