Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9620704 | Method for etching piezoelectric film and method for manufacturing piezoelectric element | Takamichi Fujii | 2017-04-11 |
| 8974626 | Method of manufacturing micro structure, and substrate structure | Takamichi Fujii | 2015-03-10 |
| 8517512 | Flow channel structure, method of manufacturing same, and liquid ejection head | Takamichi Fujii | 2013-08-27 |
| 6901100 | Semiconductor laser device in which near-edge portion of upper cladding layer is insulated for preventing current injection | Toshiaki Fukunaga, Toshiaki Kuniyasu | 2005-05-31 |