Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883338 | Synthetic resin optical fiber | Yukio Shimazaki, Takanobu Ishibashi, Norimoto Abe, Takayasu Asai, Noriaki Taketani | 1989-11-28 |
| 4873030 | Method of molding a resinous optical transmitting element | Noriaki Taketani, Hideki Asano, Akira Endo, Masahiko Ibamoto, Junji Mukai +3 more | 1989-10-10 |