Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885023 | Thiadiazabicyclononane derivatives and herbicidal compositions | Yukihiro Watase, Takeshi Kambe, Susumu Katou | 1989-12-05 |
| 4827516 | Method of analyzing input speech and speech analysis apparatus therefor | Yusuke Tsukahara, Hitoshi Masuda, Masao Tanabe | 1989-05-02 |
| 4816063 | Thiadiazabicyclononane derivatives, processes for their production and herbicidal compositions | Yukihiro Watase, Takeshi Kambe, Susumu Katou | 1989-03-28 |
| 4817185 | Optical character reader | Koji Sato | 1989-03-28 |