Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8327802 | Animal litter box | Takayuki Matsuo, Takeshi Ikegami, Kenji Hiroshima | 2012-12-11 |
| 7987818 | Animal litter box | Takayuki Matsuo, Takeshi Ikegami, Kenji Hiroshima | 2011-08-02 |
| 7832357 | Animal litter box | Takayuki Matsuo, Takeshi Ikegami, Kenji Hiroshima | 2010-11-16 |