Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10791921 | Ophthalmologic examination apparatus | — | 2020-10-06 |
| 7926947 | Ophthalmic examination system | Chota Matsumoto | 2011-04-19 |
| 6303027 | Apparatus for controlling quality of treated water | Akihiro NAGAIWA, Osamu Yamanaka, Masahiko Tsutsumi, Yasuhiko Nagamori, Yukio Hatsushika +4 more | 2001-10-16 |