Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7207207 | Knock sensor | Harumasa Shibata, Akito Yokoi, Keizo Miyake | 2007-04-24 |
| 7007544 | Knock sensor | Harumasa Shibata, Akito Yokoi, Keizo Miyake | 2006-03-07 |
| 5703295 | Vibration sensing method and apparatus therefor | Naruo Ishida, Yoshio Saijyo, Shingo ARAKAWA, Kimiaki Watanabe | 1997-12-30 |