Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4872743 | Varifocal optical element | Takeshi Baba, Kazuhiko Matsuoka, Masayuki Usui, Kazuo Minoura, Masayuki Suzuki | 1989-10-10 |
| 4865426 | Variable aberration imaging optical system | Kazuhiko Matsuoka, Masayuki Usui, Kazuo Minoura, Takeshi Baba, Yukuo Nishimura | 1989-09-12 |
| 4848879 | Light modulating device | Yukuo Nishimura, Yuko Miyajima, Kazuo Minoura, Takeshi Baba, Kazuhiko Matsuoka +1 more | 1989-07-18 |