Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8179522 | Distance measuring device | Masahiro Ohishi, Naoto Miki, Yuichi Yoshimura | 2012-05-15 |
| 7903235 | Surveying instrument and surveying method | Masahiro Ohishi | 2011-03-08 |
| 7489390 | Pulse light receiving time measurement apparatus and distance measurement including the same | Kenichiro Yoshino | 2009-02-10 |
| 7387394 | Deformable mirror control device and device for observing retina of eye | — | 2008-06-17 |
| 7345808 | Deformable mirror and device for observing retina of eye | Michiko Nakanishi, Akio Kobayashi, Ayako Iijima | 2008-03-18 |
| 6120444 | Noncontact tonometer capable of measuring intraocular tension by optically detecting deformation of cornea caused by air current | Kazuhiro Miyakawa, Toshifumi Mihashi | 2000-09-19 |
| 5600442 | Position detecting apparatus based on before and after mode-hop signals | Hiroyuki Kawashima, Susumu Saito | 1997-02-04 |
| 5535003 | Wavelength stabilizing light source apparatus by maintaining a constant phase difference | Hiroyuki Kawashima, Fumio Ohtomo, Susumu Saito | 1996-07-09 |
| 5453833 | Wavelength stabilizing light source apparatus by maintaining a constant phase difference | Hiroyuki Kawashima, Fumio Ohtomo, Susumu Saito | 1995-09-26 |
| 5388115 | Absolute measuring apparatus using laser and scanning mirrors | Hiroyuki Kawashima, Fumio Ohtomo, Susumu Saito | 1995-02-07 |
| 5141302 | Intraocular length measuring instrument | Akihiro Arai, Hideki Hatanaka, Akihiko Sekine, Fumio Ohtomo | 1992-08-25 |
| 5107106 | Scanning and detecting optical device | Masaru Isono, Fumio Ohtomo, Akihiko Sekine | 1992-04-21 |