Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9733076 | Rotary laser emitting apparatus and laser measurement system | Kaoru Kumagai, Fumihiko Kamizono | 2017-08-15 |
| 9273960 | Laser surveying system | Kaoru Kumagai, Fumihiko Kamizono | 2016-03-01 |
| 9255796 | Laser surveying device | Fumihiko Kamizono | 2016-02-09 |
| 8023178 | Line-like laser beam flux irradiating apparatus | — | 2011-09-20 |
| 7796351 | Optical axis tilting device for laser optical system | Takayuki Fujioka, Shinsuke Kaneko | 2010-09-14 |
| 7719778 | Optical axis tilting device of laser optical system | — | 2010-05-18 |
| 7454842 | Laser surveying apparatus | — | 2008-11-25 |
| 5513001 | Tilt angle automatic compensator in all directions | Fumio Ohtomo, Hiroo Sugai, Ikuo Ishinabe, Takaaki Yamazaki | 1996-04-30 |