Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11136460 | Anti-slip structure and composition for anti-slip treatment | Hirokazu Okamoto, Yoshimasu Tanaka | 2021-10-05 |
| 8082616 | Shoe bottom repair agent and shoe bottom repair set utilizing the same | Tetsuya Fujino, Yoshimasu Tanaka, Shinji Ochi, Hidekuni Takano | 2011-12-27 |