Membership
Tour
Register
Log in
Toshimasa Umetsu
Follow
Person
Tokyo, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Electronic device package
Patent number
5,255,160
Issue date
Oct 19, 1993
NEC Corporation
Misao Iwatare
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Structure of shelf to be fixed to frame of communications apparatus
Patent number
4,866,576
Issue date
Sep 12, 1989
NEC Corporation
Toshimasa Umetsu
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR