Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8453604 | Animal litter | Takayuki Matsuo, Takeshi Ikegami, Kenji Hiroshima, Hiroyuki Kameyama | 2013-06-04 |
| 8230811 | Animal litter | Takayuki Matsuo, Takeshi Ikegami, Kenji Hiroshima, Hiroyuki Kameyama | 2012-07-31 |