P

Inventor

YAMAMOTO SUMIO

JP9 patents
⚠️ This page may combine multiple inventors who share the name “YAMAMOTO SUMIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

FUJITSU LTD

4 patents
US4849368AJul 18, 1989

Method of producing a two-dimensional electron gas semiconductor device

FUJITSU LTD21 citations79
US4443704AApr 17, 1984

Method of electron beam exposure

FUJITSU LTD10 citations72
US4742379AMay 3, 1988

HEMT with etch-stop

FUJITSU LTD15 citations71
US4578343AMar 25, 1986

Method for producing field effect type semiconductor device

FUJITSU LTD4 citations60

KANEGAFUCHI CHEMICAL IND

2 patents
US4999402AMar 12, 1991

Methacrylic acid ester resin composition

KANEGAFUCHI CHEMICAL IND9 citations71
US4590232AMay 20, 1986

Heat-resistant CPVC resin composition

KANEGAFUCHI CHEMICAL IND1 citations44

TOSHIBA KK

1 patent
US5221893AJun 22, 1993

Method and device for diagnosis of paint film deterioration

TOSHIBA KK23 citations91

NIPPON ELECTRIC CO

1 patent
US4546467AOct 8, 1985

Monitor for transmission line

NIPPON ELECTRIC CO38 citations91

MITSUBISHI ELECTRIC CORP

1 patent
US4663572AMay 5, 1987

Process for suppressing electron beam drift phenomenon in a cathode ray tube

MITSUBISHI ELECTRIC CORP0 citations50