Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5421039 | Sanitary device having warm water tank | Osamu Matsubara, Kouichi Hayashi, Shinji Kawai | 1995-06-06 |
| 4829606 | Washing device for parts of human body | Mikio Yoshihara | 1989-05-16 |
| 4597111 | Sanitary device | Shinji Kawai, Tomio Oguma | 1986-07-01 |
| 4570274 | Device for washing posterior parts of human body | Kenichi Kaneko, Shinji Kawai, Koichi Suzuki | 1986-02-18 |
| 4564961 | Appliance for washing parts of human body | Kenichi Kaneko, Shinji Kawai | 1986-01-21 |