Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9932883 | Spark-ignition direct-injection engine | Masahisa Yamakawa, Kazuhiro Nagatsu, Takashi Youso, Keiji Araki | 2018-04-03 |
| 9702316 | Spark-ignition direct injection engine | Masahisa Yamakawa, Junichi Taga, Shigeru Nakagawa, Saori Mizuno, Keiji Araki | 2017-07-11 |
| 9695770 | Control device of spark-ignition engine | Toshiaki Takahashi, Junichi Taga | 2017-07-04 |
| 9624868 | Spark-ignition direct injection engine | Junichi Taga | 2017-04-18 |
| 9617945 | Control device of spark-ignition engine | Toshiaki Takahashi, Junichi Taga | 2017-04-11 |
| 9470174 | Control system and control method of spark ignition gasoline engine | Masahisa Yamakawa, Takashi Youso, Tatsuya Fujikawa, Tatsuya Koga | 2016-10-18 |
| 9429087 | Spark ignition engine | Junichi Taga, Keiji Araki | 2016-08-30 |
| 9261041 | Spark-ignition direct injection engine | Masahisa Yamakawa, Kazuhiro Nagatsu, Takashi Youso | 2016-02-16 |
| 9255539 | Spark-ignition direct injection engine | Masahisa Yamakawa, Kazuhiro Nagatsu, Hiroyuki Kurita | 2016-02-09 |
| 9145843 | Spark-ignition direct injection engine | Masahisa Yamakawa, Kazuhiro Nagatsu, Takashi Youso, Keiji Araki | 2015-09-29 |
| 8838364 | Control device of spark-ignition gasoline engine | Kazuhiro Nagatsu, Masahisa Yamakawa, Yoshihisa Nou, Noriyuki Ota, Kazutoyo Watanabe +4 more | 2014-09-16 |
| 8783227 | Engine control method and apparatus | Masahisa Yamakawa, Shuji Oba | 2014-07-22 |
| 8706382 | Control device of spark-ignition gasoline engine | Shuji Oba, Kazuhiro Nagatsu, Masahisa Yamakawa, Noriyuki Ota, Naoya Watanabe +5 more | 2014-04-22 |
| 8655572 | Control device of spark-ignition gasoline engine | Masahisa Yamakawa, Noriyuki Ota, Kazuhiro Nagatsu, Takashi Youso, Kazutoyo Watanabe +4 more | 2014-02-18 |
| 8459021 | Method and apparatus for controlling supercharged engine | Masahisa Yamakawa, Shuji Oba | 2013-06-11 |
| 8402749 | Control method of spark-ignition engine and spark-ignition engine system | Masahisa Yamakawa, Takashi Youso, Shuji Oba | 2013-03-26 |
| 6044824 | Fuel control unit and fuel injection control method for multi-cylinder engine | Kiyotaka Mamiya, Michihiro Imada, Masayuki Tetsuno, Yasuyoshi Hori, Hideshi Terao | 2000-04-04 |