NS

Noboru Sugiura

HI Hitachi: 3 patents #156 of 2,942Top 6%
HC Hitachi Car Engineering Co.: 2 patents #2 of 31Top 7%
Overall (1997): #12,525 of 185,788Top 7%
3
Patents 1997

Issued Patents 1997

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5664550 Ignition system of internal combustion engine Takashi Ito, Katsuaki Fukatsu, Ryoichi Kobayashi 1997-09-09
5632259 Ignition apparatus for an internal combustion engine Eiichiro Konda, Kazutoshi Kobayashi, Kenichi Katagishi, Yoichi Anzo, Hidetoshi Oichi +1 more 1997-05-27
5606487 Electronic device for offsetting adverse effects of a plurality of chips which repetitively produce large pulses of heat Akio Yasukawa 1997-02-25