Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7525324 | Inspection method, inspection apparatus, and polarization method for piezoelectric element | Takao Ohnishi, Tomohiro Yamada | 2009-04-28 |
| 7424827 | Inspecting method of elastic body, inspecting apparatus thereof, and dimension predicting program thereof | Tomohiro Yamada, Masato Komazawa, Tetsuya Hatta | 2008-09-16 |
| 7126255 | Piezoelectric/electrostrictive film-type device | Hirofumi Yamaguchi, Kunihiko Yoshioka | 2006-10-24 |
| 6731422 | Method for forming a polarization-inversed portion | Shoichiro Yamaguchi, Tatsuo Kawaguchi | 2004-05-04 |