KA

Keiji Araki

Mazda Motor: 38 patents #18 of 4,755Top 1%
📍 Hatsukaichi, JP: #2 of 139 inventorsTop 2%
Overall (All Time): #86,235 of 4,157,543Top 3%
38
Patents All Time

Issued Patents All Time

Showing 1–25 of 38 patents

Patent #TitleCo-InventorsDate
10914247 Boosted engine with boost controller and control unit Atsushi Inoue 2021-02-09
10787938 Engine with variable valve timing mechanism Toshiaki Nishimoto 2020-09-29
10760477 Turbocharger engine Yasushi Niwa, Yoshiyuki Uehane 2020-09-01
10480438 Fuel injection control device for direct injection engine Takeshi Nagasawa, Noriyuki Ota, Kenji Uchida, Ryohei Ono, Kiyotaka Sato +1 more 2019-11-19
10260458 Homogeneous charge compression ignition engine Kazuaki Narahara, Yoshihisa Nou, Masahiko Fujimoto 2019-04-16
10024274 Control apparatus of engine Masahiko Fujimoto, Hiroyuki Yamashita 2018-07-17
9932883 Spark-ignition direct-injection engine Kouhei Iwai, Masahisa Yamakawa, Kazuhiro Nagatsu, Takashi Youso 2018-04-03
9915230 Engine system Masahiko Fujimoto, Hiroyuki Yamashita 2018-03-13
9874169 Control device of compression-ignition engine Kazuhiro Nagatsu, Junichi Taga, Atsushi Inoue, Takashi Youso, Mitsunori Wasada 2018-01-23
9863372 Control apparatus of premixed charge compression ignition engine Masahiko Fujimoto, Hiroyuki Yamashita 2018-01-09
9810167 Catalyst advanced warmup control device for spark ignition engine Tomomi Watanabe, Shigeyuki Hirashita, Naoki Kishikawa 2017-11-07
9702316 Spark-ignition direct injection engine Kouhei Iwai, Masahisa Yamakawa, Junichi Taga, Shigeru Nakagawa, Saori Mizuno 2017-07-11
9631562 Variable cylinder engine Junsou Sasaki, Kazutoyo Watanabe 2017-04-25
9546613 Control device of compression-ignition engine Kazuhiro Nagatsu, Junichi Taga, Takashi Youso, Atsushi Inoue, Mitsunori Wasada 2017-01-17
9488094 Direct injection gasoline engine and method of controlling the direct injection gasoline engine Hiroyuki Yamashita, Kazuaki Narahara, Tatsuya Tanaka, Yoshitomo Takahashi, Yusuke NAKAO +8 more 2016-11-08
9429087 Spark ignition engine Kouhei Iwai, Junichi Taga 2016-08-30
9328688 Supercharged direct fuel injection engine Mitsuo Hitomi, Masahisa Yamakawa, Toshiaki Nishimoto, Takashi Youso 2016-05-03
9145843 Spark-ignition direct injection engine Kouhei Iwai, Masahisa Yamakawa, Kazuhiro Nagatsu, Takashi Youso 2015-09-29
8544444 Control of direct fuel injection engine Mitsuo Hitomi, Masahisa Yamakawa, Toshiaki Nishimoto, Takashi Youso 2013-10-01
8468823 Supercharged direct-injection engine Mitsuo Hitomi, Masahisa Yamakawa, Takashi Youso, Toshiaki Nishimoto 2013-06-25
8316819 Control of spark ignited internal combustion engine Masahisa Yamakawa, Shinichi Sugihara, Naohiro Yamaguchi 2012-11-27
8036817 Method of starting spark ignition engine without using starter motor Noriyuki Ota, Masahiko Fujimoto, Yasushi Murakami, Kazuya Yokota 2011-10-11
7461621 Method of starting spark ignition engine without using starter motor Noriyuki Ota, Masahiko Fujimoto, Yasushi Murakami, Kazuya Yokota 2008-12-09
7219634 Spark ignition engine control device Mitsuo Hitomi, Toshiaki Nishimoto, Yoshiyuki Shinya, Kouji Sumida, Takayoshi Hayashi +3 more 2007-05-22
7051693 Engine starting system Masayuki Tetsuno, Junichi Taga, Takanori Sugiyama, Hideki Hosoya, Yoshiteru Nakayama 2006-05-30