Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D625407 | Automatic urine accumulator | Hiroshi Koizumi, Ryosuke Miyagawa, Tetsuya Tanaka, Yoshikazu Ishitsuka | 2010-10-12 |
| 7722584 | Automatic urine collection apparatus | Tetsuya Tanaka, Ryosuke Miyagawa, Yoshikazu Ishitsuka, Hiroshi Koizumi | 2010-05-25 |
| 7438706 | Automatic urine collecting apparatus | Hiroshi Koizumi, Ryosuke Miyakawa, Yoshikazu Ishizuka, Tetsuya Tanaka | 2008-10-21 |
| D564655 | Automatic urine accumulator | Hiroshi Koizumi, Ryosuke Miyagawa, Yoshikazu Ishitsuka, Tetsuya Tanaka | 2008-03-18 |
| D536782 | Automatic urine accumulator | Hiroshi Koizumi, Ryosuke Miyagawa, Yoshikazu Ishitsuka, Tetsuya Tanaka | 2007-02-13 |
| 5477984 | Liquid jetting apparatus for jetting liquid toward a hand for disinfection thereof | Masashi Aoi, Hiroaki Ito, Akira Abeta | 1995-12-26 |
| 4714200 | Nozzle for sprayer | — | 1987-12-22 |
| 4618099 | Electric spray | Tadasu Nagao | 1986-10-21 |