YW

Youichi Watanabe

HI Hitachi: 3 patents #420 of 3,950Top 15%
HC Hitachi Car Engineering Co.: 2 patents #16 of 140Top 15%
HC Hitachi Device Engineering Co.: 1 patents #27 of 126Top 25%
Overall (2002): #17,988 of 266,432Top 7%
3
Patents 2002

Issued Patents 2002

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6389180 Resolution conversion system and method Shinji Wakisawa, Naruhiko Kasai, Hiroko Sato, Hiroyuki Koizumi 2002-05-14
6378839 Motor-operated flow control valve and exhaust gas recirculation control valve for internal combustion engine Yasuyuki Nakano, Masayuki Suganami, Kzunori Irifune 2002-04-30
6365994 Motor-operated flow control valve and exhaust gas recirculation control valve for internal combustion engine Yasuyuki Nakano, Masayuki Suganami, Kzunori Irifune 2002-04-02