Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9544476 | Omnidirectional camera | Takeshi Ishida, Tomohiro Abe, Hirokazu Yamada, Tetsuya Akimoto | 2017-01-10 |
| 9369697 | Measuring instrument for preparing three-dimensional point cloud model | Kaoru Kumagai, Hitoshi Otani, Naoto Kasori, You Sasaki, Nobuyuki Fukaya | 2016-06-14 |
| 9071767 | Omnidirectional camera | Hirokazu Yamada | 2015-06-30 |
| 8934019 | Omnidirectional camera | Hirokazu Yamada | 2015-01-13 |
| 8885016 | Omnidirectional camera and lens hood | Hirokazu Yamada | 2014-11-11 |
| 6665067 | Laser beam detecting device for a construction machine | Yohei Ogawa, Hirokazu Yamada, Hiroto Shibuya | 2003-12-16 |
| 6442862 | Displacement measuring apparatus | Kazuaki Kimura, Yohei Ogawa, Yasutaka Katayama, Shuichi Sasaki | 2002-09-03 |
| 6023326 | Surveying system | Yasutaka Katayama, Kazuaki Kimura, Kazushige Koshikawa | 2000-02-08 |
| 5760905 | Distance measuring apparatus | — | 1998-06-02 |