Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5587531 | Semiconductor strain gauge acceleration sensor | Takahiro Kawakami, Akira Ogawa | 1996-12-24 |
| 5351542 | Acceleration sensor assembly | Masaru Goto | 1994-10-04 |
| 4760333 | Crossed coil meter having concentrically wound magnetic shield | Sakae Tsuyukubo, Kouji Kurihara | 1988-07-26 |
| 4493988 | Odometer using an electric motor disposed within annular figure wheels | — | 1985-01-15 |