RO

Ryoichi Oura

HI Hitachi: 8 patents #5,191 of 28,497Top 20%
HS Hitachi Automotive Systems: 4 patents #412 of 1,636Top 30%
Overall (All Time): #418,679 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
9780773 Load drive control device Takahiro Kawata, Masahito Sonehara, Yoshitaka Abe, Takeo Yamashita 2017-10-03
8776763 Internal combustion engine controller Chikara Omori, Mitsuhiko Watanabe, Takuya Mayuzumi 2014-07-15
8561594 Internal combustion engine controller Mitsuhiko Watanabe, Takuya Mayuzumi, Masahiro Toyohara 2013-10-22
8548641 Load drive circuit Hisayoshi Nakata, Masahiro Sasaki, Takuya Mayuzumi, Mitsuhiko Watanabe 2013-10-01
8436623 Electromagnetic load circuit failure diagnosis device Mitsuhiko Watanabe, Takuya Mayuzumi 2013-05-07
8144447 Electromagnetic load controller Mitsuhiko Watanabe, Takuya Mayuzumi, Kaneyuki Okamoto 2012-03-27
8081498 Internal combustion engine controller Takuya Mayuzumi, Mitsuhiko Watanabe, Masahiro Sasaki 2011-12-20
8045311 Load driving and diagnosis system and control method Mitsuhiko Watanabe, Chihiro Sato, Hirofumi Kurimoto, Koichi Ono 2011-10-25
7987044 Control device for internal combustion engine Daisuke Eto, Mitsuhiko Watanabe, Takuya Mayuzumi, Masahiro Toyohara 2011-07-26
7789073 Fuel injection control apparatus Takao Miyake, Masahiro Toyohara, Takuya Mayuzumi, Tohru Ishikawa 2010-09-07
7784445 Control unit for internal combustion engine Nobuyuki Takahashi, Masahiro Sasaki, Takuya Mayuzumi, Mitsuhiko Watanabe 2010-08-31
7578284 Internal combustion engine controller Takuya Mayuzumi, Mitsuhiko Watanabe 2009-08-25