Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1052416 | Sphere target for surveying | — | 2024-11-26 |
| 11506492 | Target sphere and target device | — | 2022-11-22 |
| 10690478 | Survey method and survey apparatus | — | 2020-06-23 |
| 10107623 | Optical device, reticle incorporated in the optical device, and survey method using the optical device | — | 2018-10-23 |
| D798752 | Focal plate for surveying instrument | — | 2017-10-03 |
| 9499952 | System and method for providing information to operator of pile driver | Yukio Abe | 2016-11-22 |
| 8567731 | Tripod-supporting device and supporting member for supporting a tripod | — | 2013-10-29 |
| 7996998 | Optical device and measuring method | — | 2011-08-16 |
| 7667823 | Optical device, and method of measuring the dimension of object using optical device | — | 2010-02-23 |