Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D539393 | Bathtub | — | 2007-03-27 |
| D383832 | Combined toilet basin, toilet seat and seat cover | Seijiro Kawamura | 1997-09-16 |
| D382947 | Combined toilet basin, toilet seat and seat cover | Seijiro Kawamura | 1997-08-26 |
| D382946 | Combined toilet basin, toilet seat and seat cover | Seijiro Kawamura | 1997-08-26 |
| D382335 | Combined toilet basin, toilet seat and seat cover | Seijiro Kawamura | 1997-08-12 |
| D382333 | Combined toilet basin, toilet seat and seat cover | Seijiro Kawamura | 1997-08-12 |
| D382325 | Combined toilet basin, toilet seat and seat cover | Seijiro Kawamura | 1997-08-12 |
| D382334 | Combined toilet basin, toilet seat and seat cover | Seijiro Kawamura | 1997-08-12 |
| D373182 | Combined toilet basin, toilet seat and seat cover | Seijiro Kawamura | 1996-08-27 |
| D370719 | Combined toilet basin, toilet seat and seat cover | Seijiro Kawamura | 1996-06-11 |
| D369400 | Combined toilet basin, toilet seat and seat cover | Seijiro Kawamura | 1996-04-30 |
| D369401 | Combined toilet basin, toilet seat and seat cover | Seijiro Kawamura | 1996-04-30 |