Membership
Tour
Register
Log in
Masaji Takeshima
Follow
Person
Nara, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Key switch
Patent number
4,733,024
Issue date
Mar 22, 1988
Sharp Kabushiki Kaisha
Masaji Takeshima
G01 - MEASURING TESTING