Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE38841 | Shower bath apparatus and spray nozzle | Hiroaki Yoshida, Shigeru Shirai, Kazushige Kawahara, Masaaki Inagi, Masaki Yamamoto +1 more | 2005-10-25 |
| 6920654 | Water shower apparatus | Masao Noguchi, Akihiko Nakashima, Shigeru Shirai, Satoshi Furuta | 2005-07-26 |
| 6195814 | Shower bath apparatus and spray nozzle | Hiroaki Yoshida, Shigeru Shirai, Kazushige Kawahara, Masaaki Inagi, Masaki Yamamoto +1 more | 2001-03-06 |