Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5673135 | Scanning projection optical device | Hisakazu Yoshino, Toshiki Okumura | 1997-09-30 |
| 5448416 | Wide-field exposure optical system | Toshiki Okumura, Hisakazu Yoshino | 1995-09-05 |
| 5039223 | Interferometer for measuring aspherical form with the utilization of computer generated hologram | Takashi Gemma, Takashi Yokokura | 1991-08-13 |
| 4812042 | Holographic interferometer | Takashi Yokokura, Takashi Gemma | 1989-03-14 |
| 4758089 | Holographic interferometer | Takashi Yokokura, Takashi Gemma | 1988-07-19 |