MY

Masahisa Yamakawa

Mazda Motor: 40 patents #16 of 4,755Top 1%
DE Denso: 1 patents #6,940 of 11,792Top 60%
OC Oki Electric Industry Co.: 1 patents #1,459 of 2,807Top 55%
Overall (All Time): #75,916 of 4,157,543Top 2%
41
Patents All Time

Issued Patents All Time

Showing 1–25 of 41 patents

Patent #TitleCo-InventorsDate
11835001 Engine control system Takeaki Kudo, Junki Hori, Masatoshi Seto, Tatsuya Fujikawa 2023-12-05
11591983 Engine system Takashi Kaminaga, Tatsuya Fujikawa, Naoya Ito, Ryohei Matsuo, Yuta SASAKI +3 more 2023-02-28
11542886 Engine system Takashi Kaminaga, Tatsuya Fujikawa, Naoya Ito, Ryohei Matsuo, Yuta SASAKI +3 more 2023-01-03
11391235 Engine system Takashi Kaminaga, Tatsuya Fujikawa, Naoya Ito, Ryohei Matsuo, Yuta SASAKI +3 more 2022-07-19
11092108 Control device for compression self-ignition engine Naoya Ito, Takashi Kaminaga, Kenji Uchida, Tatsuya Fujikawa, Takashi Youso +2 more 2021-08-17
11008969 Compression ignition gasoline engine Takashi Youso, Takashi Kaminaga 2021-05-18
10837380 Compression ignition gasoline engine Takashi Youso, Takashi Kaminaga 2020-11-17
10309294 Engine Takayuki Hikita, Tomonori Urushihara, Kazuhiro Nagatsu, Tatsuya Fujikawa, Takashi Youso +3 more 2019-06-04
10280831 Engine Takayuki Hikita, Tomonori Urushihara, Kazuhiro Nagatsu, Tatsuya Fujikawa, Takashi Youso +3 more 2019-05-07
10041464 Controller of laser ignition engine Takashi Youso, Tatsuya Fujikawa, Atsushi Inoue 2018-08-07
9932883 Spark-ignition direct-injection engine Kouhei Iwai, Kazuhiro Nagatsu, Takashi Youso, Keiji Araki 2018-04-03
9777694 Control device of engine Takaaki Nagano, Takashi Youso, Kazuhiro Nagatsu, Atsushi Inoue, Kota Matsumoto +2 more 2017-10-03
9702316 Spark-ignition direct injection engine Kouhei Iwai, Junichi Taga, Shigeru Nakagawa, Saori Mizuno, Keiji Araki 2017-07-11
9650984 Control system for gasoline engine Kazuhiro Nagatsu, Masatoshi Hidaka, Takashi Kaminaga 2017-05-16
9512814 Control method of spark ignition engine and spark ignition engine Takashi Youso 2016-12-06
9470174 Control system and control method of spark ignition gasoline engine Kouhei Iwai, Takashi Youso, Tatsuya Fujikawa, Tatsuya Koga 2016-10-18
9328688 Supercharged direct fuel injection engine Mitsuo Hitomi, Toshiaki Nishimoto, Takashi Youso, Keiji Araki 2016-05-03
9261041 Spark-ignition direct injection engine Kouhei Iwai, Kazuhiro Nagatsu, Takashi Youso 2016-02-16
9255539 Spark-ignition direct injection engine Kouhei Iwai, Kazuhiro Nagatsu, Hiroyuki Kurita 2016-02-09
9145843 Spark-ignition direct injection engine Kouhei Iwai, Kazuhiro Nagatsu, Takashi Youso, Keiji Araki 2015-09-29
8930118 Engine control system Kazuhiro Nagatsu, Masatoshi Hidaka, Takashi Kaminaga 2015-01-06
8838364 Control device of spark-ignition gasoline engine Kazuhiro Nagatsu, Kouhei Iwai, Yoshihisa Nou, Noriyuki Ota, Kazutoyo Watanabe +4 more 2014-09-16
8783227 Engine control method and apparatus Kouhei Iwai, Shuji Oba 2014-07-22
8706382 Control device of spark-ignition gasoline engine Shuji Oba, Kouhei Iwai, Kazuhiro Nagatsu, Noriyuki Ota, Naoya Watanabe +5 more 2014-04-22
8655572 Control device of spark-ignition gasoline engine Kouhei Iwai, Noriyuki Ota, Kazuhiro Nagatsu, Takashi Youso, Kazutoyo Watanabe +4 more 2014-02-18