Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7618012 | Bracket fixing structure | — | 2009-11-17 |
| 7466064 | Ultrasonic element | Makiko Sugiura | 2008-12-16 |
| 7250749 | Current sensor | — | 2007-07-31 |
| 7213460 | Ultrasonic sensor | Makiko Sugiura | 2007-05-08 |
| 7205757 | High precision current sensor | Masato Ishihara | 2007-04-17 |
| 7148675 | Ring type current sensor | — | 2006-12-12 |
| 7007660 | Portable power working machine | Toshio Taomo, Kouji Arahata | 2006-03-07 |