Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9732874 | Composite valve with main valve element and sub-valve element | Yuuki Kaneko, Masaaki Tonegawa | 2017-08-15 |
| 9551518 | Automotive air conditioner and expansion valve | Satoshi Hayakawa, Akihiko Yamamoto, Ryouta Sugamura, Masaaki Tonegawa, Toshiyuki Shiota +2 more | 2017-01-24 |