Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10505336 | Laser adjustment method and laser source device | Tatsuya Narumi | 2019-12-10 |
| 6510725 | Apparatus and method of inspecting gage | Yuwu Zhang, Masaoki Yamagata, Shiro Igasaki, Eiichi Tsunoda | 2003-01-28 |
| 6357134 | Height gauge | Nobuyuki Hama, Yuwu Zhang | 2002-03-19 |
| 6062062 | Sensitivity calibrating method for detector of comparator | Toshiro Horikawa | 2000-05-16 |
| 5048326 | Surface roughness measuring instrument | Chihiro Marumo | 1991-09-17 |
| 4888984 | Levelling device of roughness measuring machine | Chihiro Marumo, Masatsugu Nemoto, Junichi Iida, Kenji Sakuma | 1989-12-26 |