Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9062444 | Flush toilet | Shigehisa Shirakawa, Mayu Okubo | 2015-06-23 |
| 8695126 | Flush toilet with sloped surfaces for improved waste removal | Masaaki Inoue, Yu Yamasaki | 2014-04-15 |
| 8640272 | Flush toilet bowl | Tomoaki Morita, Tomohiro Hirakawa | 2014-02-04 |
| 8037552 | Flush toilet | Tomoyasu Ichiki, Tsuyoshi Ozeki, Shinji Shibata, Shuichi Nagashima | 2011-10-18 |
| 7827628 | Flush toilet | Tomoyasu Ichiki, Tsuyoshi Ozeki, Shinji Shibata, Shuichi Nagashima | 2010-11-09 |
| 7761934 | Drain socket and flush toilet | Tomoyasu Ichiki, Tsuyoshi Ozeki, Osamu Kobayashi, Katsuhiro Kawakami, Mitsuyoshi Machida +2 more | 2010-07-27 |
| 7661153 | Flush toilet | Kenichi Nakamura, Tsuyoshi Ozeki, Tomoyasu Ichiki, Hiroshi Tomonari, Kyoji Asada +1 more | 2010-02-16 |
| 7325258 | Flush toilet | Kyoji Asada, Tomohiro Hirakawa | 2008-02-05 |
| 6145138 | Flush toilet | Kenichi Nakamura | 2000-11-14 |
| 5706529 | Water closet | Yoshio Kai | 1998-01-13 |
| 5170515 | Water closet | Yoshio Kai | 1992-12-15 |