Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11274923 | Power supply unit mounting structure and surveying instrument | — | 2022-03-15 |
| 11264671 | Battery holder | — | 2022-03-01 |
| 7796351 | Optical axis tilting device for laser optical system | Takayuki Fujioka, Junichi Kodaira | 2010-09-14 |
| D612753 | Rotating laser | Mitsuo Ishii | 2010-03-30 |
| D609124 | Rotating laser | Mitsuo Ishii | 2010-02-02 |
| D563246 | Roof of rotating laser having telescopic sight | Mitsuo Ishii | 2008-03-04 |
| D561621 | Rotating laser | Mitsuo Ishii, Kazufumi Suzuki | 2008-02-12 |