Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12429657 | Optical device and manufacturing method for optical device | Kazushige Oki, Hiroshi Hara, Eiji Tsumura, Masanobu Kawamura, Satoshi Yoshimura +4 more | 2025-09-30 |
| 5455644 | Ophthalmologic apparatus having an examining system for examining the fundus of an eye | Koji Yazawa, Kazuhiro Matsumoto, Shinya Tanaka | 1995-10-03 |
| 5299573 | Tonometer | — | 1994-04-05 |
| 5300964 | Fundus camera | — | 1994-04-05 |
| 5116114 | Ophthalmologic apparatus | Yukitsugu Nakamura, Yoshimasa Hamano, Takashi Masuda, Isao Matsumura, Shigeo Maruyama | 1992-05-26 |
| 5056522 | Supersonic ophthalmic measuring apparatus | Isao Matsumura, Takashi Masuda, Yoshimasa Hamano, Shigeo Maruyama, Yukitsugu Nakamura | 1991-10-15 |
| 4991584 | Ophthalmic examining apparatus and method capable of examining glaucoma | Isao Matsumura | 1991-02-12 |
| D297544 | Instant photo-taking apparatus for a retinal camera | — | 1988-09-06 |
| 4717952 | Medical television system | Yoshimi Kohayakawa, Shinya Tanaka, Haruhisa Madate, Takeshi Kitamura | 1988-01-05 |
| 4690525 | Eye fundus camera | Kyoji Sekiguchi, Isao Matsumura, Haruhisa Madate | 1987-09-01 |
| 4227780 | Eye examining instrument | Shinichi Ohta, Haruhisa Madate | 1980-10-14 |