Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8453683 | Sealing and pump-up device | Masaki Yoshida, Yuji Takeda, Ryuji Izumoto, Yusuke Inoue | 2013-06-04 |
TK
Takahiko Kojima
Overall (All Time): #3,161,283 of 4,157,543Top 80%
1
Patents All Time