Issued Patents All Time
Showing 51–75 of 76 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D472619 | Toilet | Seijiro Kawamura | 2003-04-01 |
| D472309 | Bidet | Seijiro Kawamura | 2003-03-25 |
| D470928 | Pedestal sink for receiving a faucet set | Seijiro Kawamura | 2003-02-25 |
| D470929 | Sink for receiving a faucet set | Seijiro Kawamura | 2003-02-25 |
| D470930 | Sink bowl | — | 2003-02-25 |
| D460812 | Water closet | — | 2002-07-23 |
| D453819 | Water closet | — | 2002-02-19 |
| D447225 | Water closet | — | 2001-08-28 |
| D432218 | Trap portion of a water closet | Seijiro Kawamura, Hisayasu Sakai | 2000-10-17 |
| D431071 | Water closet | — | 2000-09-19 |
| D430927 | Water closet | — | 2000-09-12 |
| D430654 | Water closet | — | 2000-09-05 |
| D420728 | Water closet | — | 2000-02-15 |
| D414851 | Water closet | — | 1999-10-05 |
| D414250 | Water closet | — | 1999-09-21 |
| D413163 | Water closet | — | 1999-08-24 |
| D410279 | Water closet | Hisayoshi Sakai | 1999-05-25 |
| D406326 | Water closet | Hisayoshi Sakai | 1999-03-02 |
| D406329 | Trap portion of a water closet | Seijiro Kawamura, Hisayasu Sakai | 1999-03-02 |
| D399294 | Water closet | Seijiro Kawamura, Hisayasu Sakai | 1998-10-06 |
| D393309 | Water closet | — | 1998-04-07 |
| D384136 | Water closet | Seijiro Kawamura, Hisayasu Sakai | 1997-09-23 |
| D379496 | Water closet | Seijiro Kawamura, Hisayasu Sakai | 1997-05-27 |
| D377206 | Urinal | — | 1997-01-07 |
| D377209 | Water closet tank | Hisayoshi Sakai, Seijiro Kawamura | 1997-01-07 |