Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4884051 | Semiconductor diffusion type force sensing apparatus | Daisuke Kosaka, Hirotoshi Eguchi, Shoji Matsumoto, Takashi Akahori, Hiroshi Yamazaki +1 more | 1989-11-28 |
| 4884184 | Control apparatus for cascaded converter circuit | Takayuki Matsui, Toshiaki Okuyama, Mitsugu Matsutake, Masami Ito | 1989-11-28 |
| 4856890 | Ophthalmic photographing device | Yuji Itoh | 1989-08-15 |
| 4808903 | Vector control system for induction motors | Takayuki Matsui, Toshiaki Okuyama, Takashi Sukegawa | 1989-02-28 |
| 4799783 | Eye fundus camera | Yuji Itoh | 1989-01-24 |