Membership
Tour
Register
Log in
Hiromasa Nakanishi
Follow
Person
Tokyo, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Electronic watch
Patent number
4,274,150
Issue date
Jun 16, 1981
Kabushiki Kaisha Daini Seikosha
Masataka Ikenishi
G04 - HOROLOGY
Information
Patent Grant
Electronic watch
Patent number
4,241,433
Issue date
Dec 23, 1980
Kabushiki Kaisha Daini Seikosha
Makoto Ueda
G04 - HOROLOGY
Information
Patent Grant
Electronic watch
Patent number
4,216,646
Issue date
Aug 12, 1980
Kabushiki Kaisha Daini Seikosha
Masataka Ikenishi
G04 - HOROLOGY
Information
Patent Grant
Calendar mechanism of a portable timepiece
Patent number
4,204,395
Issue date
May 27, 1980
Kabushiki Kaisha Daini Seikosha
Masataka Ikenishi
G04 - HOROLOGY