Issued Patents All Time
Showing 25 most recent of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11363948 | Ophthalmologic device and method of operating ophthalmologic device | Takashi Fujikado, Makoto SAIKA, Suguru Miyagawa | 2022-06-21 |
| 7850305 | Apparatus and method for measuring spectrum image data of eyeground | Tatsuo Yamaguchi, Toshifumi Mihashi, Hiroyuki Aoki, Yasuko Tsuruga | 2010-12-14 |
| 7806529 | Device and method for optometry | Toshifumi Mihashi, Mariko Kobayashi | 2010-10-05 |
| 7677731 | Eye optical characteristic measuring apparatus | Toshifumi Mihashi, Takashi Fujikado, Naoyuki Maeda | 2010-03-16 |
| 7677728 | Ophthalmologic measuring apparatus | Toshifumi Mihashi | 2010-03-16 |
| 7568800 | Apparatus and method for spectrally measuring fundus | Toshifumi Mihashi | 2009-08-04 |
| 7490939 | Eye characteristics measuring system | Tatsuo Yamaguchi | 2009-02-17 |
| 7465049 | Portable ophthalmic apparatus and ophthalmic system | Naoyuki Maeda, Toshifumi Mihashi | 2008-12-16 |
| 7441900 | Contrast chart device, contrast sensitivity measuring device and contrast sensitivity measuring method | Toshifumi Mihashi | 2008-10-28 |
| 7360894 | Opthalmological apparatus | — | 2008-04-22 |
| 7311402 | Eye optical characteristic measuring instrument | Toshifumi Mihashi, Takashi Fujikado, Naoyuki Maeda | 2007-12-25 |
| 7309127 | Ophthalmic measuring apparatus | Hiroaki Hashimoto | 2007-12-18 |
| 7309126 | Eye characteristics measuring device | Toshifumi Mihashi, Naoyuki Maeda | 2007-12-18 |
| 7270413 | Ophthalmic data measuring apparatus, ophthalmic data measurement program and eye characteristic measuring apparatus | Toshifumi Mihashi | 2007-09-18 |
| 7249851 | Eye characteristic measuring apparatus | Takuya Moriyama | 2007-07-31 |
| 7249852 | Eye characteristic measuring apparatus | Toshifumi Mihashi | 2007-07-31 |
| 7246906 | Correction-factor determination apparatus and method | Toshifumi Mihashi | 2007-07-24 |
| 7241012 | Ophthalmologic apparatus | Toshifumi Mihashi, Teruhito Kuroda, Naoyuki Maeda, Takashi Fujikado | 2007-07-10 |
| 7222962 | Opthalmic measuring apparatus | Hiroaki Hashimoto | 2007-05-29 |
| 7219999 | Device for measuring optical characteristic of eye | Toshifumi Mihashi | 2007-05-22 |
| 7216980 | Eye characteristic measuring apparatus | Toshifumi Mihashi | 2007-05-15 |
| 7036933 | Model eye for eye characteristic measuring device and calibration method for the same | Tatsuo Yamaguchi, Naoki Nakazawa, Toshifumi Mihashi | 2006-05-02 |
| 6905209 | Optical characteristics measuring device | Toshifumi Mihashi, Naoyuki Maeda | 2005-06-14 |
| 6860603 | BEST CORRECTED VISUAL ACUITY CHARACTERISTICS MEASURING DEVICE, BEST CORRECTED VISUAL ACUITY CHARACTERISTICS MEASURING METHOD, CONTRAST SENSITIVITY MEASURING DEVICE, CONTRAST SENSITIVITY MEASURING METHOD, AND CONTRAST SENSITIVITY TARGET DISPLAYING DEVICE | Toshifumi Mihashi | 2005-03-01 |
| 6802609 | Eye characteristic measuring apparatus | Toshifumi Mihashi | 2004-10-12 |