Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11492025 | Railcar floor structure | Toshinobu Tanigawa, Takahiro Kawashima | 2022-11-08 |
| 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 |
| 10343699 | Air conditioner and railcar | Masanori Takahashi, Yoshinori Hara | 2019-07-09 |
| 9771086 | Air-conditioning duct in passenger car and railcar | Takashi Sasaki, Yoshinori Hara, Ryosuke Mitani, Kouki Kondo, Keiji Sakagawa | 2017-09-26 |