Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6502251 | Water closet and flushing water feed device | Kunihiko Teshima, Tatsuhiro Kosugi, Taiji Sugita, Takayuki Ohtani, Yoshitaka Suehiro | 2003-01-07 |
| D406325 | Water closet | — | 1999-03-02 |
| D399935 | Basin | — | 1998-10-20 |
| D395077 | Urinal | — | 1998-06-09 |
| D393308 | Basin | — | 1998-04-07 |
| 5666672 | Toilet attachment with easily detachable seat | Ayse Birsel, Noriko Hiraga, Junichi Tani, Koichi Watanabe, Kuniaki Shinohara | 1997-09-16 |
| D360255 | Urinal | — | 1995-07-11 |
| D355711 | Toilet bowl | — | 1995-02-21 |