Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8464576 | Engine oil degradation-estimating device and device for estimating antioxidant performance of engine oil | Yosuke Okuyama, Masashi Maruyama, Wataru Hoshikawa | 2013-06-18 |
| 7826987 | Method for detecting a condition of engine oil | — | 2010-11-02 |
| D383101 | Automobile tire | Kazuhito Kimura, Izumi Kuramochi | 1997-09-02 |
| D379335 | Automobile tire | Koji Watanabe, Kazuhito Kimura | 1997-05-20 |
| D379166 | Automobile tire | Kazuhito Kimura, Hiroshi Tokizaki, Izumi Kuramochi | 1997-05-13 |