Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8665146 | Calculation method of the amount of zenith troposphere delay, and a correcting method of troposphere delay of satellite positioning signal | Takeyasu Sakai, Sounosuke Fukushima, Ken Ito | 2014-03-04 |