Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6675880 | Air heater for recovering a heat of exhaust gas | Masao Namba, Yoshitada Tomoyasu, Hidehiro Kiuchi, Yasuaki Harada, Teruo Urayama +2 more | 2004-01-13 |
| 6048625 | Wear resisting steel, sliding member for cylinder in internal combustion engine, and ring spring | Hitoshi Okamoto, Tatsuhiro Jibiki, Takao Tanaka, Shinichi Miyake, Naohiro Tanaka | 2000-04-11 |
| 5380483 | Vibration-damping alloy | Satoshi Watanabe, Toshinobu Okaku, Hitoshi Okamoto, Youichi Sugiyama | 1995-01-10 |
| 4497198 | Knocking sensor | Juhei Takahashi, Shogo Asano, Kunio Sugiyama, Kiyokane Kaji, Jun Ohta | 1985-02-05 |
| 4307602 | Knock sensor | Daisaku Sawada, Juhei Takahashi, Tadayori Makino | 1981-12-29 |
| 4302964 | Knock sensor | Daisaku Sawada, Juhei Takahashi | 1981-12-01 |