Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8529534 | Excrement treating apparatus | Tetsuya Tanaka, Yoshikazu Ishitsuka, Ichiro Wada, Miou Suzuki | 2013-09-10 |
| D625407 | Automatic urine accumulator | Hiroshi Koizumi, Tetsuya Tanaka, Yoshikazu Ishitsuka, Shigeharu Sayama | 2010-10-12 |
| 7722584 | Automatic urine collection apparatus | Tetsuya Tanaka, Yoshikazu Ishitsuka, Hiroshi Koizumi, Shigeharu Sayama | 2010-05-25 |
| D564655 | Automatic urine accumulator | Hiroshi Koizumi, Yoshikazu Ishitsuka, Tetsuya Tanaka, Shigeharu Sayama | 2008-03-18 |
| 7220250 | Urine receiver and urine collection processing system implementing urine receiver | Miou Suzuki, Ichiro Wada, Yoshikazu Ishitsuka, Nobuaki Yoshioka, Junichi Kobayashi +1 more | 2007-05-22 |
| D536782 | Automatic urine accumulator | Hiroshi Koizumi, Yoshikazu Ishitsuka, Tetsuya Tanaka, Shigeharu Sayama | 2007-02-13 |