Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10076948 | Damper opening and closing device | Hajime Takai, Minoru Shibata, Hiroshi Sakai, Kenji Asano | 2018-09-18 |
| 9879877 | Air conditioning register | Hajime Takai, Minoru Shibata, Kenji Asano | 2018-01-30 |