Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4872743 | Varifocal optical element | Takeshi Baba, Masayuki Usui, Kazuo Minoura, Atsushi Someya, Masayuki Suzuki | 1989-10-10 |
| 4865426 | Variable aberration imaging optical system | Masayuki Usui, Kazuo Minoura, Takeshi Baba, Atsushi Someya, Yukuo Nishimura | 1989-09-12 |
| 4848879 | Light modulating device | Yukuo Nishimura, Yuko Miyajima, Kazuo Minoura, Takeshi Baba, Masayuki Usui +1 more | 1989-07-18 |
| 4842396 | Light modulation element and light modulation apparatus | Kazuo Minoura | 1989-06-27 |