Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11698254 | Surveying instrument having wavelength dispersion compensation prisms and surveying instrument system | Fumio Ohtomo, Kaoru Kumagai | 2023-07-11 |
| 11506759 | Surveying instrument and surveying instrument system | Fumio Ohtomo, Kaoru Kumagai | 2022-11-22 |
| 11402206 | Surveying instrument and surveying instrument system | Fumio Ohtomo, Kaoru Kumagai | 2022-08-02 |
| 11275154 | Method of correcting measurement value of laser scanner, and device for the method | Taichi Yuasa | 2022-03-15 |
| 10932665 | Ophthalmologic microscope system | Michiko Nakanishi, Satoshi Yamamoto | 2021-03-02 |
| 10932664 | Ophthalmic device | Ryoichi HIROSE, Tatsuo Yamaguchi | 2021-03-02 |
| 10871370 | Measurement device | Fumio Ohtomo | 2020-12-22 |
| 10758123 | Ophthalmological microscope system | Satoshi Yamamoto, Michiko Nakanishi | 2020-09-01 |
| 10568504 | Ophthalmologic apparatus | — | 2020-02-25 |
| 10531984 | Ophthalmologic microscope system | Michiko Nakanishi, Satoshi Yamamoto | 2020-01-14 |
| 10383517 | Ophthalmic operation microscope | Michiko Nakanishi | 2019-08-20 |
| 9668650 | Ophthalmologic apparatus | Takao Tanabe, Kazuhiro Omori, Takuji Sato | 2017-06-06 |
| 8917382 | Electric distance meter | Kunihiro Hayashi | 2014-12-23 |
| 7884923 | Laser surveying system and distance measuring method | Kaoru Kumagai, Kenichiro Yoshino, Yasushi Tanaka | 2011-02-08 |
| 7382443 | Distance measuring method and distance measuring device | Fumio Ohtomo, Masahiro Ohishi, Kazuhiro Shida | 2008-06-03 |
| 6894767 | Light wave distance-measuring system | Jun-ichi Kodaira | 2005-05-17 |
| 6587244 | Optical communication system for survey instrument | Kazuyoshi Yahagi | 2003-07-01 |
| 6462810 | Surveying system | Yoshiaki Muraoka, Sho Takahashi | 2002-10-08 |
| 6437859 | Device for detecting optical position | Fumio Ohtomo, Akio Kimura, Ryo-uji Musashi | 2002-08-20 |
| 6295174 | Reflective prism device | Hiromitsu Takaya | 2001-09-25 |
| 6253457 | Laser beam direction correcting optical system for a surveying instrument | Fumio Ohtomo, Jun-ichi Kodaira | 2001-07-03 |
| 6222678 | Automatic survey instrument | Akio Kimura | 2001-04-24 |
| 5847824 | Automatic angle compensator | Fumio Ohtomo, Hiroo Sugai, Jun-ichi Kodaira | 1998-12-08 |
| 5513001 | Tilt angle automatic compensator in all directions | Fumio Ohtomo, Hiroo Sugai, Takaaki Yamazaki, Junichi Kodaira | 1996-04-30 |