TI

Tohru Ishikawa

HI Hitachi: 30 patents #925 of 28,497Top 4%
HS Hitachi Automotive Systems: 24 patents #26 of 1,636Top 2%
HC Hitachi Car Engineering Co.: 4 patents #107 of 465Top 25%
HA Hitachi Astemo: 1 patents #649 of 1,276Top 55%
HC Hitachi Automotive Engineering Co.: 1 patents #156 of 314Top 50%
KT Kabushiki Kaisha Toshiba: 1 patents #13,537 of 21,451Top 65%
📍 Hitachinaka, JP: #48 of 2,447 inventorsTop 2%
Overall (All Time): #44,485 of 4,157,543Top 2%
56
Patents All Time

Issued Patents All Time

Showing 1–25 of 56 patents

Patent #TitleCo-InventorsDate
11703021 Fuel injection device Ryo KUSAKABE, Motoyuki Abe, Noriyuki Maekawa, Masahiro Soma, Takao Miyake +1 more 2023-07-18
11067045 Fuel injection device Ryo KUSAKABE, Motoyuki Abe, Noriyuki Maekawa, Masahiro Soma, Takao Miyake +1 more 2021-07-20
10995655 Fuel injection device Akira Iizuka, Takao Miyake, Kazuki Yoshimura 2021-05-04
10900435 Drive unit of fuel injection device Ryo KUSAKABE, Motoyuki Abe, Hideharu Ehara, Takuya Mayuzumi, Kenji Hiraku 2021-01-26
10859047 Fuel injection device Ryo KUSAKABE, Motoyuki Abe, Yoshihito Yasukawa, Noriyuki Maekawa, Takuya Mayuzumi 2020-12-08
10704518 Spark-ignition direct fuel injection valve Yoshihito Yasukawa, Kiyotaka Ogura, Takao Miyake, Eiji Ishii, Motoyuki Abe 2020-07-07
10288022 Electromagnetic fuel injector Yoshihito Yasukawa, Hideharu Ehara, Kiyotaka Ogura, Motoyuki Abe, Ryo KUSAKABE +1 more 2019-05-14
10280862 Drive unit of fuel injection device Ryo KUSAKABE, Motoyuki Abe, Hideharu Ehara, Takuya Mayuzumi, Kenji Hiraku 2019-05-07
10240567 Fuel injection device Yoshihito Yasukawa, Hideharu Ehara, Motoyuki Abe, Ryo KUSAKABE 2019-03-26
10082117 Fuel injection device Ryo KUSAKABE, Motoyuki Abe, Yoshihito Yasukawa, Noriyuki Maekawa, Takuya Mayuzumi 2018-09-25
10024288 Spark-ignition direct fuel injection valve Yoshihito Yasukawa, Kiyotaka Ogura, Takao Miyake, Eiji Ishii, Motoyuki Abe 2018-07-17
9726127 Fuel injection device Yoshihito Yasukawa, Hideharu Ehara, Motoyuki Abe, Ryo KUSAKABE 2017-08-08
9677526 Spark-ignition direct fuel injection valve Yoshihito Yasukawa, Kiyotaka Ogura, Takao Miyake, Eiji Ishii, Motoyuki Abe 2017-06-13
9617963 Fuel injection valve Motoyuki Abe, Kiyotaka Ogura, Eiji Ishii, Masahiro Soma, Hideharu Ehara 2017-04-11
9599083 Fuel injection valve Eiji Ishii, Motoyuki Abe, Yoshihito Yasukawa, Kiyotaka Ogura, Hideharu Ehara 2017-03-21
9593657 Drive unit of fuel injection device Ryo KUSAKABE, Motoyuki Abe, Hideharu Ehara, Takuya Mayuzumi, Kenji Hiraku 2017-03-14
9541046 Fuel injection device Yoshihito Yasukawa, Hideharu Ehara, Motoyuki Abe, Ryo KUSAKABE 2017-01-10
9528481 Fuel injection valve Yoshihito Yasukawa, Motoyuki Abe, Hideharu Ehara, Eiji Ishii 2016-12-27
9347393 Fuel injection device Ryo KUSAKABE, Motoyuki Abe, Yoshihito Yasukawa, Noriyuki Maekawa, Takuya Mayuzumi 2016-05-24
9291135 Electromagnetic fuel injection valve Hisashi Ohwada, Motoyuki Abe 2016-03-22
9103311 Fuel injection valve Yoshihito Yasukawa, Motoyuki Abe, Hideharu Ehara, Eiji Ishii 2015-08-11
8991783 Fuel injection valve for internal combustion engine Motoyuki Abe, Masahiko Hayatani, Takehiko Kowatari, Atsushi Takaoku, Yasuo Namaizawa +1 more 2015-03-31
8960157 Drive device for electromagnetic fuel injection valve Ryo KUSAKABE, Motoyuki Abe, Hideharu Ehara, Noriyuki Maekawa, Takuya Mayuzumi 2015-02-24
8899210 Drive circuit for electromagnetic fuel-injection valve Motoyuki Abe, Takuya Mayuzumi, Tetsuo Matsumura 2014-12-02
8371515 Electro-magneto fuel injector Motoyuki Abe, Masahiko Hayatani, Atsushi Sekine, Yasuo Namaizawa, Noriyuki Maekawa 2013-02-12