Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886916 | Process for preparing sulfone compounds | Takashi Onishi, Shigeaki Suzuki, Hiroshi Fujii, Yoshiji Fujita | 1989-12-12 |
| 4845767 | Image signal processor | Haruyasu Yamada, Kunitoshi Aono, Masakatsu Maruyama | 1989-07-04 |
| 4827056 | Process for preparing chlorinated olefins | Shigeaki Suzuki, Takashi Onishi, Yoshiji Fujita | 1989-05-02 |