Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10874267 | Toilet seat | Takeshi Hayashida, Nobuhiko Umeda, Shuhei Nishiyama, Minoru Sato | 2020-12-29 |
| 10682026 | Toilet seat | Takeshi Hayashida, Shuhei Nishiyama, Nobuhiko Umeda | 2020-06-16 |