Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6660206 | Method of manufacturing a sealing device | Satoshi Yamanaka | 2003-12-09 |
| 6401322 | Method of manufacturing a sealing apparatus | — | 2002-06-11 |
| 6182975 | Sealing device having an annular space between sealing lips | Satoshi Yamanaka | 2001-02-06 |
| 5588656 | Crankshaft seal having resilient portion embedded in rigid retainer | — | 1996-12-31 |
| RE35309 | Sealing device | Noriyuki Wada | 1996-08-06 |
| 5269536 | Sealing device | Noriyuki Wada | 1993-12-14 |
| 4981303 | Sealing device | Noriyuki Wada | 1991-01-01 |
| 4962936 | Sealing unit | — | 1990-10-16 |
| 4867926 | Method for manufacturing oil seal | — | 1989-09-19 |
| 4550920 | Oil seal with main lip, subsidiary lip and dust lip | — | 1985-11-05 |