Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7720380 | Optical transmission apparatus in ring transmission system | Tomoyuki Harada | 2010-05-18 |
| 7162544 | Message transfer method and apparatus | Takashi Honda | 2007-01-09 |
NO
Naokatsu Ohkawa
Overall (All Time): #2,121,946 of 4,157,543Top 55%
2
Patents All Time