Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8019498 | Ship-steering device | Takayoshi Yamazaki, Atsuyuki Tsuzuki | 2011-09-13 |
| 7173582 | Current drive circuit and image display device | Shigeo Nishitoba | 2007-02-06 |
| 6133672 | Driving method of piezoelectric transformer and driving circuit for the same | Hiroshi Sasaki | 2000-10-17 |
| 5962953 | Piezoelectric transformer with monitor electrodes for sensing unbalanced vibration of the transformer | Hiroshi Sasaki | 1999-10-05 |
| 5923542 | Method and apparatus for driving piezoelectric transformer | Hiroshi Sasaki | 1999-07-13 |
| 5886514 | Piezoelectric transformer driving curcuit and method capable of stabilizing load current | Hiroshi Sasaki | 1999-03-23 |
| 4432328 | Vapor lock and percolation phenomena inhibiting system | Seiichi Shimizu | 1984-02-21 |