Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6467443 | Valve operating device of internal combustion engine | Seiji Tsuruta | 2002-10-22 |
| 5975036 | Variable valve actuation apparatus | Takanori Sawada | 1999-11-02 |
| 5794576 | Engine cylinder valve controlling apparatus | Seinosuke Hara, Seiji Tsuruta, Takanori Sawada | 1998-08-18 |
| 5743224 | Valve lifter surface and processing method thereof | Noriomi Hosaka, Hirokazu Uehara, Akira Hidaka | 1998-04-28 |
| 4523236 | Video signal recording and reproducing apparatus, including means for discriminating the mode of multiplexing of an audio signal | Yoshinori Komori | 1985-06-11 |