Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5925321 | Garbage disposing device | Masanori Koyamoto, Kaoru Yamashita, Kazumasa Rokushima, Junichi Ikeuchi, Hiroyasu Kawanishi +4 more | 1999-07-20 |
| 5622617 | Garbage treating apparatus with connected moisture sensor and controller | Tomisaburo Azuma, Susumu Kawakami, Hidehiko Kishie, Kaoru Yamashita, Hiroyasu Kawanishi +9 more | 1997-04-22 |
| 4907305 | Bubbling bathtub system | Keiichi Teramachi, Harue Kawagoe, Naoki Kumon, Shinya Hirota, Hidehiko Kishie +1 more | 1990-03-13 |