Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10948099 | Motor operated valve | Michio Matsumoto, Youichi Miura, Tomohiro Yuasa | 2021-03-16 |
| 10801480 | Control valve for variable displacement compressor | Ryota Sugamura, Masaaki Tonegawa | 2020-10-13 |
| 10557463 | Control valve for variable displacement compressor | Ryota Sugamura, Masaaki Tonegawa | 2020-02-11 |
| 10113539 | Control valve for variable displacement compressor | Ryota Sugamura, Masaaki Tonegawa | 2018-10-30 |
| 10107534 | Expansion valve and pipe mounting structure thereof | Takanao Kumakura, Takeshi Kaneko, Ryosuke Satake, Takeshi Watanabe, Takafumi Jyonouchi | 2018-10-23 |
| 9903362 | Control valve for a variable displacement compressor | Masaaki Tonegawa | 2018-02-27 |
| 9863411 | Control valve for a variable displacement compressor | Masaaki Tonegawa | 2018-01-09 |
| 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 |
| 8967774 | Liquid jet head, liquid jet apparatus, and method of manufacturing liquid jet head | Satoshi Horiguchi, Yuki Yamamura, Yuzuru Kubota, Yoshinori Domae, Makoto Suzuki +3 more | 2015-03-03 |
| 7175245 | Ink-jet head and ink-jet type recording apparatus | Yasuhito Sekiya | 2007-02-13 |
| 6966195 | Air conditioning system | — | 2005-11-22 |
| 6804970 | Method of controlling refrigeration cycle | Hisatoshi Hirota | 2004-10-19 |
| 6532764 | Degree of supercooling control type expansion valve | Hisatoshi Hirota, Tokumi Tsugawa, Yuusuke Inoue, Katsumi Koyama | 2003-03-18 |
| 6425528 | Expansion valve | Hisatoshi Hirota, Takashi Kobayashi | 2002-07-30 |
| 6390441 | Solenoid operated pilot valve | Katsumi Koyama, Tokumi Tsugawa | 2002-05-21 |
| 6296194 | Expansion valve | Hisatoshi Hirota, Isao Sendo, Masaichi Kawahata, Toshiyuki Shiota, Takashi Kobayashi | 2001-10-02 |
| 5567920 | Position reading apparatus and key board apparatus | Toshiaki Watanabe, Yoshiyuki Morita | 1996-10-22 |
| 4670627 | Coordinate reading device | — | 1987-06-02 |