Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873030 | Method of molding a resinous optical transmitting element | Noriaki Taketani, Hideki Asano, Akira Endo, Tomiya Abe, Junji Mukai +3 more | 1989-10-10 |
| 4836657 | Optical change-over switch utilizing ferroelectric liquid crystal material | Yasuhiro Gunji, Sadayuki Okada, Masato Isogai, Katsumi Kondo, Kazuhiro Kuwabara +1 more | 1989-06-06 |