Issued Patents All Time
Showing 26–47 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7216980 | Eye characteristic measuring apparatus | Yoko Hirohara | 2007-05-15 |
| 7036933 | Model eye for eye characteristic measuring device and calibration method for the same | Tatsuo Yamaguchi, Naoki Nakazawa, Yoko Hirohara | 2006-05-02 |
| 6905209 | Optical characteristics measuring device | Yoko Hirohara, Naoyuki Maeda | 2005-06-14 |
| 6899428 | Contrast sensitivity measuring device and contrast sensitivity measuring method | — | 2005-05-31 |
| 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 | Yoko Hirohara | 2005-03-01 |
| 6802609 | Eye characteristic measuring apparatus | Yoko Hirohara | 2004-10-12 |
| 6685320 | Opthalmic characteristic measuring apparatus | Yoko Hirohara, Koki Harumoto | 2004-02-03 |
| 6629761 | Eye characteristic measuring apparatus | Yoko Hirohara, Yasufumi Fukuma | 2003-10-07 |
| 6565210 | Ocular optical characteristic measuring apparatus | Katsuhiko Kobayashi | 2003-05-20 |
| 6540692 | Optical characteristic measuring apparatus | Yasufumi Fukuma | 2003-04-01 |
| 6536900 | Eye characteristic measuring apparatus | Yoko Hirohara | 2003-03-25 |
| 6525883 | Optical characteristic measuring instrument | Yoko Hirohara, Naoki Nakazawa | 2003-02-25 |
| 6354705 | Anterior segment photographing apparatus for producing images of a section of the anterior segment of the eye to be examined by using slit light beam | Yoko Hirohara | 2002-03-12 |
| 6273566 | Ophthalmologic characteristic measuring apparatus | Katsuhiko Kobayashi | 2001-08-14 |
| 6234978 | Optical characteristic measuring apparatus | Yasufumi Fukuma | 2001-05-22 |
| 6120444 | Noncontact tonometer capable of measuring intraocular tension by optically detecting deformation of cornea caused by air current | Kazuhiro Miyakawa, Isao Minegishi | 2000-09-19 |
| 6070981 | Ophthalmologic characteristic measuring apparatus | Takefumi Hayashi | 2000-06-06 |
| 6042233 | Optical characteristic measuring apparatus | Katsuhiko Kobayashi | 2000-03-28 |
| 5929970 | Optical characteristic measuring apparatus | — | 1999-07-27 |
| 5847806 | Ophthalmological apparatus for forming a sectional image signal of measurement object | — | 1998-12-08 |
| 5633694 | Ophthalmometric apparatus for generating an image of a selection and a surface of an eyeground of a subject | Satoru Niimura, Katsuhiko Kobayashi | 1997-05-27 |
| 4958241 | Image input apparatus | Fumio Ohtomo, Hiroyuki Frusho, Shinichi Nakamura | 1990-09-18 |