Issued Patents All Time
Showing 251–263 of 263 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5045581 | Butadiene polymer composition containing phenolic compound and phosphorus-containing compound | Takeshi Takata, Shinichi Yachigo, Manji Sasaki, Kikumitsu Inoue | 1991-09-03 |
| 5031623 | Non-contact tonometer | Yoshimi Kohayakawa | 1991-07-16 |
| 5018953 | Rotor with eccentrically positioned retainer pin | Hidetsugu Matsubara, Yuichi Iguchi, Kazuya Miyashita | 1991-05-28 |
| 4951670 | Non-contact eye pressure meter | Koichi Yano | 1990-08-28 |
| 4939196 | Hydroquinone type compound and its use as stabilizer for synthetic resin | Manji Sasaki, Shinichi Yachigo, Kikumitsu Inoue, Fumitoshi Kojima, Takeshi Takata | 1990-07-03 |
| 4912388 | Drive control device operating a drive mechanism | Yukitsugu Nakamura | 1990-03-27 |
| 4881065 | X-Y position input apparatus including preventing dust interference | Masahiro Soma | 1989-11-14 |
| 4783160 | Stereoscopic microscope | — | 1988-11-08 |
| 4725291 | Method of collecting pyromellitic anhydride | Masatoshi Ueoka, Hiroshi Yoshida, Atsushi Ohkubo | 1988-02-16 |
| 4717952 | Medical television system | Yoshimi Kohayakawa, Kazunobu Kobayashi, Haruhisa Madate, Takeshi Kitamura | 1988-01-05 |
| 4663520 | Fail-safe laser apparatus including main and safety shutters for laser | Masaru Sato | 1987-05-05 |
| 4640588 | Stereoscopic microscope including a rotatable light beam distributing means with a surface having distributing and non-distributing areas | — | 1987-02-03 |
| 4576160 | Phototherapeutic apparatus with spot size regulating means | — | 1986-03-18 |