Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6617191 | Method for anodizing silicon substrates for surface type acceleration sensors | Hitoshi Iwata | 2003-09-09 |
| 6586691 | Acceleration switch | Kouichi Itoigawa, Hitoshi Muraki | 2003-07-01 |
| 6399410 | Method of anodizing silicon substrate and method of producing acceleration sensor | Hitoshi Iwata | 2002-06-04 |
| 6362079 | Semiconductor device and method of anodization for the semiconductor device | Hitoshi Iwata | 2002-03-26 |
| 6336658 | Acceleration switch and the manufacturing method | Koichi Itoigawa, Yutaka Yoshida | 2002-01-08 |
| 5665250 | Method of manufacturing surface type acceleration sensor method of manufacturing | Hitoshi Iwata | 1997-09-09 |
| 5659138 | Surface type acceleration sensor | Hitoshi Iwata | 1997-08-19 |