Membership
Tour
Register
Log in
Shinichi Watanabe
Follow
Person
Tanashi, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Electronic timepiece
Patent number
4,443,116
Issue date
Apr 17, 1984
Citizen Watch Company Limited
Makoto Yoshida
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Timekeeping signal source for an electronic timepiece
Patent number
4,427,302
Issue date
Jan 24, 1984
Citizen Watch Company Limited
Shinichi Watanabe
H03 - BASIC ELECTRONIC CIRCUITRY