Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11117599 | Air flow regulation member and method for manufacturing air flow regulation member | Hiroshi Yoshizumi | 2021-09-14 |
| 11066084 | Railcar air-conditioning duct | Noriyoshi Kohama | 2021-07-20 |