Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12433167 | Piezoelectric element, droplet dispensing head, actuator, and vibrator | Kazuya Kitada, Koji Ohashi, Yasuaki Hamada | 2025-09-30 |
| 12311664 | Piezoelectric element, head chip, liquid ejection device, and sensor | Yasuaki Hamada, Kazuya Kitada, Koji Ohashi | 2025-05-27 |
| 8970929 | Image reading apparatus | Takaaki Mukai, Tatsuya Sato | 2015-03-03 |
| 4637358 | Spark plug cap apparatus | Toshihiro Oikawa | 1987-01-20 |
| 4553510 | Cylinder head for internal combustion engines | Yuji Kawaguchi | 1985-11-19 |