Patents per Year
Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 9213104 | Positioning system and method | Kazuhiro Ogawa, Shigeyuki Yamaguchi | 2015-12-15 | |
| 7482974 | RTK-GPS survey system | Kazuhiro Ogawa, Shigeyuki Yamaguchi | 2009-01-27 | |
| 7460065 | RTK-GPS surveying system | Kazuhiro Ogawa, Mitsuru Ogawa | 2008-12-02 | $519,000 |
| 6882305 | Method and apparatus for determining position | Koji Miyasaka, Masakazu Mori, Yuji Kobayashi, Kazuyuki Sakaki | 2005-04-19 | $148,000 |
| 6865484 | Satellite position measurement system | Koji Miyasaka, Masakazu Mori, Kazuyuki Sakaki, Yuji Kobayashi | 2005-03-08 | $129,000 |
| 6791492 | GPS positioning system | Koji Miyasaka, Masakazu Mori, Yuji Kobayashi, Kazuyuki Sakaki | 2004-09-14 | $190,000 |