HK

Hiroshi Kamifuji

HI Hitachi: 12 patents #3,472 of 28,497Top 15%
HC Hitachi Automotive Engineering Co.: 6 patents #9 of 314Top 3%
HE Hitachi Automotive Eng.: 1 patents #4 of 24Top 20%
📍 Hitachinaka, JP: #430 of 2,447 inventorsTop 20%
Overall (All Time): #429,485 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
RE34216 Method of and apparatus for controlling engine revolution speed Tomiya Itakura 1993-04-13
5146898 Fuel injection control apparatus for an internal combustion engine Tomiya Itakura 1992-09-15
4966118 Fuel injection control apparatus for an internal combustion engine Tomiya Itakura 1990-10-30
4879982 Method of and apparatus for controlling engine revolution speed Tomiya Itakura 1989-11-14
4873960 Electronically-controlled fuel injection system for internal combustion engines Yoshiyuki Tanabe, Kiyomi Morita 1989-10-17
4639624 Torque motor having a coil with finite turning range Yuuki Ejiri, Tomoo Ito, Hisato Tsuruta 1987-01-27
4601271 Throttle valve controlling apparatus Yuuki Ejiri, Tomoo Ito 1986-07-22
4547852 Engine control apparatus and control method Tomoo Ito, Haruhiko Kobayashi, Tomiya Itakura 1985-10-15
4522175 Rotational speed control apparatus for internal combustion engines Tomoo Ito, Chiaki Niida 1985-06-11
4494498 Air-fuel ratio control system for engine starting Tomoo Ito, Haruhiko Kobayashi, Tomiya Itakura 1985-01-22
4480618 Apparatus for enriching fuel upon engine starting operation Tomoo Ito, Haruhiko Kobayashi, Tomiya Itakura 1984-11-06
4442818 Fuel injection apparatus for internal combustion engines Mineo Kashiwaya, Tohru Nakagawa, Kinsaku Yamada, Yoshishige Oyama, Hiroshi Kuroiwa +1 more 1984-04-17