Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9414744 | Optometry apparatus | Yuichiro Kanazawa, Ryoji Suzuki, Yukito HIRAYAMA | 2016-08-16 |
| 8928870 | Lens meter | Hikaru Miyabayashi | 2015-01-06 |
| 7862175 | Optometer | Hirohisa Terabe | 2011-01-04 |
| 7784948 | Visual acuity testing apparatus | Yuichiro Kanazawa, Ryoji Suzuki | 2010-08-31 |
| 7241013 | Optometric apparatus | — | 2007-07-10 |
| 6652102 | Visual function test apparatus | Akihiro Hayashi, Yuichiro Kanazawa, Hidetaka Hoshino | 2003-11-25 |
| 6425665 | Visual acuity examination apparatus | Akihiro Hayashi, Yuichiro Kanazawa | 2002-07-30 |
| 6406147 | Visual acuity testing apparatus | Akihiro Hayashi, Yuichiro Kanazawa | 2002-06-18 |
| 5521700 | Meter for testing progressive multifocus lenses | Tadashi Kajino, Mikio Kurachi, Masanao Fujieda | 1996-05-28 |
| 5396324 | Lens meter for measuring a refractive power of a lens | Mikio Kurachi, Yasuhisa Murakami | 1995-03-07 |