Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7572012 | Optical elevation apparatus | — | 2009-08-11 |
| 5325135 | Ophthalmologic apparatus having two measuring systems | Haruhisa Madate, Takashi Masuda | 1994-06-28 |
| 5144346 | Ophthalomological apparatus for alignment and refraction | Yoshimi Kohayakawa, Hiroshi Aoki | 1992-09-01 |
| 5116114 | Ophthalmologic apparatus | Yoshimasa Hamano, Takashi Masuda, Isao Matsumura, Shigeo Maruyama, Kazunobu Kobayashi | 1992-05-26 |
| 5056522 | Supersonic ophthalmic measuring apparatus | Isao Matsumura, Takashi Masuda, Yoshimasa Hamano, Shigeo Maruyama, Kazunobu Kobayashi | 1991-10-15 |
| 4912388 | Drive control device operating a drive mechanism | Shinya Tanaka | 1990-03-27 |
| D299745 | Keratometer | Hiroaki Sasaki | 1989-02-07 |
| 4795250 | Ophthalmic apparatus | Kohichi Yano | 1989-01-03 |