Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6649884 | Sanitary device | — | 2003-11-18 |
| 5625294 | Apparatus for detecting seated condition for toilet seat | Shinji Kawai, Yuji Yamaguchi, Seiji Tanaka, Akira Takamata | 1997-04-29 |