Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7588322 | Liquid drop discharge piezoelectric device | Takao Ohnishi, Kazuhiro Yamamoto, Koji Kimura, Toshikazu Hirota | 2009-09-15 |
| 6899283 | Liquid droplet ejecting method and a liquid droplet ejection apparatus | Takao Ohnishi, Toshikazu Hirota | 2005-05-31 |