Issued Patents All Time
Showing 51–57 of 57 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4818066 | Objective lens driving device | — | 1989-04-04 |
| 4783141 | Array lens | Takeshi Baba, Hiroyuki Imataki, Masayuki Usui, Takashi Serizawa | 1988-11-08 |
| 4783155 | Optical device with variably shaped optical surface and a method for varying the focal length | Hiroyuki Imataki, Takashi Serizawa, Masayuki Usui, Takeshi Baba | 1988-11-08 |
| 4781445 | Optical device having positionally changeable optical surfaces and a method of varying an image forming position | Takeshi Baba, Takashi Serizawa, Masayuki Usui, Hiroyuki Imataki | 1988-11-01 |
| 4750164 | Optical system driving device | — | 1988-06-07 |
| 4714326 | Method and element for optical modulation | Masayuki Usui, Hiroyuki Imataki, Takashi Serizawa, Takeshi Baba | 1987-12-22 |
| 4712882 | Variable focal length lens | Takeshi Baba, Hiroyuki Imataki, Masayuki Usui, Takashi Serizawa | 1987-12-15 |