Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4926505 | Toilet seat structure capable of automatically feeding seat covering paper on toilet seat | Mitsuhiro Higuchi, Hirofumi Yamamoto, Osamu Yamamoto, Katsumi Nonomura | 1990-05-22 |