Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7781245 | Method to fabricate semiconductor optical device | Tetsuya Hattori, Kazunori Fujimoto | 2010-08-24 |
| 7282455 | Method of producing a diffraction grating | — | 2007-10-16 |
| 5252100 | Variable rotor-blade-attack angle helicopter toy | Kenichi Osawa | 1993-10-12 |
| 4930743 | Vibration proofing support structure for engine of vehicle | Takeshi Ishimaru, Shigeo Yoshino | 1990-06-05 |