Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8857069 | Tilt detecting device and laser surveying instrument | — | 2014-10-14 |
| 6262801 | Laser reference level setting device | Hiroto Shibuya | 2001-07-17 |
| 5995233 | Surveying system | Fumio Ohtomo, Hiroyuki Nishizawa, Yoshikatsu Tokuda, Ken-ichiro Yoshino | 1999-11-30 |
| 5898489 | Laser irradiation light detecting device | Fumio Ohtomo, Hiroshi Koizumi, Masayuki Momiuchi, Masahiro Ohishi | 1999-04-27 |
| 5841527 | Laser reference level setting device | Hiroto Shibuya | 1998-11-24 |