Issued Patents All Time
Showing 25 most recent of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10473453 | Operating device, operating method, and program therefor | Kaoru Kumagai, Naoto Kasori | 2019-11-12 |
| 8917382 | Electric distance meter | Ikuo Ishinabe | 2014-12-23 |
| 8887823 | Surveying system and laser reference plane smoothing method in surveying system | Fumihiko Kamizono | 2014-11-18 |
| 8822904 | Plant sensor having a controller controlling light emission of first and second light emitters at timings different from each other | Peng Zhao | 2014-09-02 |
| 8786834 | Optical distance measuring apparatus | Kaoru Kumagai | 2014-07-22 |
| 8619250 | Rotary laser emitting apparatus | Fumihiko Kamizono | 2013-12-31 |
| 8407904 | Rotary laser beam emitter | Fumihiko Kamizono | 2013-04-02 |
| 8320765 | Optical signal transfer device | Masanori Fujimoto | 2012-11-27 |
| 8151474 | Surveying system | Kaoru Kumagai, Fumihiko Kamizono | 2012-04-10 |
| 8077293 | Surveying device and surveying system | Fumio Ohtomo, Kaoru Kumagai | 2011-12-13 |
| 7966739 | Laser surveying system | Fumihiko Kamizono | 2011-06-28 |
| 7965383 | Surveying device and surveying system | Fumio Ohtomo, Kaoru Kumagai | 2011-06-21 |
| 7814670 | Laser level detection system | Yasutaka Katayama, Takaaki Yamazaki | 2010-10-19 |
| 7715998 | Surveying instrument | — | 2010-05-11 |
| 7554650 | Laser beam projecting device | Michiyo Saito | 2009-06-30 |
| 7515256 | Position measuring instrument | Fumio Ohtomo, Kazuki Osaragi | 2009-04-07 |
| 7319515 | Rotary laser apparatus | Fumio Ohtomo | 2008-01-15 |
| 7222021 | Operator guiding system | Fumio Ootomo, Akio Kimura, Kaoru Kumagai, Kazuki Osaragi | 2007-05-22 |
| 7196302 | Laser measuring method and laser measuring system having fan-shaped tilted laser beams and three known points of photodetection system | Fumio Ohtomo, Kazuki Osaragi, Richard W. Davidson, Clyde C. Goad, Vernon Joseph Brabec +2 more | 2007-03-27 |
| 7148958 | Method and system for measuring height or relatively axial position | Fumio Ohtomo, Makoto Ohmori | 2006-12-12 |
| 7115852 | Photodetection device for rotary laser system | Fumio Ohtomo, Kazuki Osaragi | 2006-10-03 |
| 7110102 | Working position measuring system | Fumio Ohtomo, Kazuki Osaragi | 2006-09-19 |
| 7081606 | Position measuring system | Kazuki Osaragi | 2006-07-25 |
| 7022962 | Position determining apparatus | Fumio Ohtomo | 2006-04-04 |
| 6710319 | System for radiating a reference laser beam and utilizing GPS units for installing an article | Fumio Ohtomo, Satoshi Hirano, Ray O'Connor | 2004-03-23 |