Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7513411 | Method of and apparatus for granting electronic signature, and computer program | Nobuo Yoshikawa, Seigo Kotani, Nao Ando | 2009-04-07 |
TK
Takayuki Katou
Overall (All Time): #3,321,774 of 4,157,543Top 80%
1
Patents All Time