HK

Hiromasa Kubo

HI Hitachi: 6 patents #133 of 4,225Top 4%
HC Hitachi Car Engineering Co.: 5 patents #4 of 145Top 3%
Overall (2003): #6,399 of 273,478Top 3%
6
Patents 2003

Issued Patents 2003

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
6668793 Internal combustion engine Yoshio Okamoto, Ayumu Miyajima, Yuzo Kadomukai, Motoyuki Abe, Shigenori Togashi +3 more 2003-12-30
6648298 Electromagnetic fuel injection valve Masahiro Souma, Yasuo Namaizawa 2003-11-18
6634338 Fuel injection apparatus, fuel injection method and internal combustion engine Makoto Yamakado, Kiyoshi Amou, Yoshio Okamoto, Yuzo Kadomukai, Kenji Tabuchi +3 more 2003-10-21
6615805 Electromagnetic fuel injector and control method thereof Makoto Yamakado, Yoshio Okamoto, Nobukatsu Arai, Yuzo Kadomukai, Yoshiyuki Tanabe +3 more 2003-09-09
6571773 Fuel injector and internal combustion engine Makoto Yamakado, Yoshiyuki Tanabe, Toshio Takahata, Yasunaga Hamada, Yoshio Okamoto +1 more 2003-06-03
6550458 Electromagnetic fuel injection apparatus, an internal combustion engine having an electromagnetic fuel injection apparatus, and a drive circuit of an electromagnetic fuel injection apparatus Makoto Yamakado, Yoshio Okamoto, Yzo Kadomukai, Yoshiyuki Tanabe, Toshio Takahata +2 more 2003-04-22