Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5566401 | Cleaning mechanism of a stool | Mitsuhiro Kishi, Mikio Shimoyama | 1996-10-22 |
| 5273719 | Urine treating device | Mitsuhiro Kishi | 1993-12-28 |
| 5149399 | Liquid evaporator | Mitsuhiro Kishi | 1992-09-22 |
| 5058213 | Raw sewage drying apparatus | Mitsuhiro Kishi | 1991-10-22 |
| 4999930 | Raw sewage drying apparatus | Mitsuhiro Kishi | 1991-03-19 |