Issued Patents All Time
Showing 1–25 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11109754 | Ophthalmic measurement device | — | 2021-09-07 |
| 7850305 | Apparatus and method for measuring spectrum image data of eyeground | Yoko Hirohara, Tatsuo Yamaguchi, Hiroyuki Aoki, Yasuko Tsuruga | 2010-12-14 |
| 7806529 | Device and method for optometry | Yoko Hirohara, Mariko Kobayashi | 2010-10-05 |
| 7677728 | Ophthalmologic measuring apparatus | Yoko Hirohara | 2010-03-16 |
| 7677731 | Eye optical characteristic measuring apparatus | Yoko Hirohara, Takashi Fujikado, Naoyuki Maeda | 2010-03-16 |
| 7648240 | Ophthalmic apparatus | Naoki Nakazawa, Koji Nakajima | 2010-01-19 |
| 7635186 | Ophthalmologic measuring apparatus | Mariko Kobayashi, Tatsuo Yamaguchi | 2009-12-22 |
| 7568800 | Apparatus and method for spectrally measuring fundus | Yoko Hirohara | 2009-08-04 |
| 7566131 | Refraction measuring instrument | — | 2009-07-28 |
| 7537340 | Ophthalmologic imaging apparatus | Tatsuo Yamaguchi | 2009-05-26 |
| 7530692 | Ophthalmologic photographing apparatus | Tatsuo Yamaguchi | 2009-05-12 |
| 7527379 | Ophthalmologic imaging apparatus | Tatsuo Yamaguchi | 2009-05-05 |
| 7500754 | Ophthalmologic imaging apparatus | Tatsuo Yamaguchi | 2009-03-10 |
| 7465049 | Portable ophthalmic apparatus and ophthalmic system | Naoyuki Maeda, Yoko Hirohara | 2008-12-16 |
| 7441900 | Contrast chart device, contrast sensitivity measuring device and contrast sensitivity measuring method | Yoko Hirohara | 2008-10-28 |
| 7311402 | Eye optical characteristic measuring instrument | Yoko Hirohara, Takashi Fujikado, Naoyuki Maeda | 2007-12-25 |
| 7309126 | Eye characteristics measuring device | Yoko Hirohara, Naoyuki Maeda | 2007-12-18 |
| 7281797 | Optical-characteristic measurement apparatus and fundus-image observation apparatus | Tatsuo Yamaguchi | 2007-10-16 |
| RE39882 | Ophthalmologic characteristic measuring apparatus | Takefumi Hayashi | 2007-10-16 |
| 7270413 | Ophthalmic data measuring apparatus, ophthalmic data measurement program and eye characteristic measuring apparatus | Yoko Hirohara | 2007-09-18 |
| 7270415 | Retina observation apparatus and retina observation method | Tatsuo Yamaguchi | 2007-09-18 |
| 7249852 | Eye characteristic measuring apparatus | Yoko Hirohara | 2007-07-31 |
| 7246906 | Correction-factor determination apparatus and method | Yoko Hirohara | 2007-07-24 |
| 7241012 | Ophthalmologic apparatus | Yoko Hirohara, Teruhito Kuroda, Naoyuki Maeda, Takashi Fujikado | 2007-07-10 |
| 7219999 | Device for measuring optical characteristic of eye | Yoko Hirohara | 2007-05-22 |