YH

Yasunaga Hamada

HI Hitachi: 4 patents #332 of 4,225Top 8%
HC Hitachi Car Engineering Co.: 4 patents #9 of 145Top 7%
📍 Hitachinaka, JP: #14 of 318 inventorsTop 5%
Overall (2003): #11,443 of 273,478Top 5%
4
Patents 2003

Issued Patents 2003

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6634338 Fuel injection apparatus, fuel injection method and internal combustion engine Makoto Yamakado, Kiyoshi Amou, Yoshio Okamoto, Yuzo Kadomukai, Hiromasa Kubo +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, Hiromasa Kubo, 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, Hiromasa Kubo +2 more 2003-04-22