Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4836657 | Optical change-over switch utilizing ferroelectric liquid crystal material | Yasuhiro Gunji, Sadayuki Okada, Masato Isogai, Katsumi Kondo, Masahiko Ibamoto +1 more | 1989-06-06 |
| 4708480 | Solid-state optical interferometer | Takao Sasayama, Shigeru Oho, Takanori Shibata, Akira Endo | 1987-11-24 |