AH

Ayumu Hatanaka

HS Hitachi Automotive Systems: 11 patents #120 of 1,636Top 8%
HI Hitachi: 4 patents #8,942 of 28,497Top 35%
HA Hitachi Astemo: 3 patents #267 of 1,276Top 25%
HH Hitachi High-Technologies: 1 patents #1,282 of 1,917Top 70%
📍 Naka, JP: #11 of 152 inventorsTop 8%
Overall (All Time): #232,003 of 4,157,543Top 6%
19
Patents All Time

Issued Patents All Time

Showing 1–19 of 19 patents

Patent #TitleCo-InventorsDate
11888408 Power conversion device and manufacturing method of power conversion device Takeshi Seki, Naoya Suto 2024-01-30
11348735 High voltage filter and power conversion device Isao Houda, Aya Ohmae, Hiroki Funato, Yusaku Katsube 2022-05-31
11300070 Electromagnetic valve control unit and internal combustion engine control device using same Toshihiro Aono, Motoyuki Abe, Ryo KUSAKABE, Teppei Hirotsu, Hideyuki Sakamoto +3 more 2022-04-12
10961935 Drive device for fuel injection device, and fuel injection system Ryo KUSAKABE, Motoyuki Abe, Toshihiro Aono, Teppei Hirotsu, Hideyuki Sakamoto +5 more 2021-03-30
10903754 Power converter Takeshi Seki, Kazushi Takahashi, Kenji Ohshima 2021-01-26
10673349 Power conversion device with efficient cooling structure Youhei Nishizawa, Takeshi Seki 2020-06-02
10488515 Acoustic emission wave detection system for a high voltage apparatus Daichi KAWAMURA, Toru Masuda, Hiroshi Kageyama 2019-11-26
10240551 Electromagnetic valve control unit and internal combustion engine control device using same Toshihiro Aono, Motoyuki Abe, Ryo KUSAKABE, Teppei Hirotsu, Hideyuki Sakamoto +3 more 2019-03-26
10115700 Power module, electrical power conversion device, and driving device for vehicle Ryuusei FUJITA, Satoru Akiyama, Hiroshi Kageyama, Toru Masuda, Akio Shima 2018-10-30
10002699 Electromagnetic coil driving control device Kiyoshi Aiki, Takuya Mayuzumi, Katsuya Oyama, Ryosuke Ishida, Yasushi Sugiyama 2018-06-19
9926874 Drive device for fuel injection device, and fuel injection system Ryo KUSAKABE, Motoyuki Abe, Toshihiro Aono, Teppei Hirotsu, Hideyuki Sakamoto +5 more 2018-03-27
9714626 Drive device for fuel injection device Ryo KUSAKABE, Motoyuki Abe, Toshihiro Aono, Teppei Hirotsu, Hideyuki Sakamoto +6 more 2017-07-25
9694694 In-vehicle step-down switching power supply, in-vehicle electronic control device, and idle stop system Takuya Mayuzumi, Chihiro Sato 2017-07-04
9287771 Series regulator on electronic control unit for automotive vehicle Takuya Mayuzumi, Chihiro Sato, Yoshitaka Abe, Daisuke Sekine, Hirofumi Kurimoto 2016-03-15
8928363 Semiconductor drive circuit and power conversion apparatus using same Kaoru Kato, Katsumi Ishikawa, Naoki Maru 2015-01-06
8649151 Injector drive circuit Shigeki Yamada, Takuya Mayuzumi, Mitsuhiko Watanabe 2014-02-11
8599530 Electromagnetic valve driving circuit Kohei ONDA, Akira Mishima, Takuya Mayuzumi, Fumiaki Nasu, Mitsuhiko Watanabe 2013-12-03
8514541 Injector drive circuit Akira Mishima, Takuya Mayuzumi, Mitsuhiko Watanabe, Fumiaki Nasu 2013-08-20
7777194 Charged particle beam apparatus Hiroshi Morita, Ryozo Takeuchi 2010-08-17