Membership
Tour
Register
Log in
Sumio Yamamoto
Follow
Person
Yokohama, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Method of producing a two-dimensional electron gas semiconductor de...
Patent number
4,849,368
Issue date
Jul 18, 1989
Fujitsu Limited
Yoshimi Yamashita
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
HEMT with etch-stop
Patent number
4,742,379
Issue date
May 3, 1988
Fujitsu Limited
Yoshimi Yamashita
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for producing field effect type semiconductor device
Patent number
4,578,343
Issue date
Mar 25, 1986
Fujitsu Limited
Kinjiro Kosemura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of electron beam exposure
Patent number
4,443,704
Issue date
Apr 17, 1984
Fujitsu Limited
Yoshimi Yamashita
H01 - BASIC ELECTRIC ELEMENTS