Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9667444 | Data transmission and reception system with accurate time information | Yohichiro Sumito | 2017-05-30 |
| 7519666 | Data transmission and reception system with accurate time information | Yohichiro Sumito | 2009-04-14 |