Kojiro Tanaka

Person

Yachiyo, JA

People

Patents Grantslast 30 patents

Information Patent Grant
Electronic watch
- Patent number 4,095,405
- Issue date Jun 20, 1978
- Kabushiki Kaisha Daini Seikosha
- Kojiro Tanaka
- G04 - HOROLOGY
Information Patent Grant
Oscillating and dividing circuit having level shifter for electroni...
- Patent number 4,095,407
- Issue date Jun 20, 1978
- Kabushiki Kaisha Daini Seikosha
- Kazuhiro Asano
- G04 - HOROLOGY
Information Patent Grant
Switching system
- Patent number 4,087,665
- Issue date May 2, 1978
- Kabushiki Kaisha Daini Seikosha
- Kojiro Tanaka
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Digital electronic timepiece
- Patent number 4,085,575
- Issue date Apr 25, 1978
- Kabushiki Kaisha Daini Seikosha
- Kojiro Tanaka
- G04 - HOROLOGY
Information Patent Grant
Switching construction for a handy electronic device
- Patent number 4,072,004
- Issue date Feb 7, 1978
- Kabushiki Kaisha Daini Seikosha
- Kojiro Tanaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Digital electronic timepiece
- Patent number 4,045,951
- Issue date Sep 6, 1977
- Kabushiki Kaisha Daini Seikosha
- Kojiro Tanaka
- G04 - HOROLOGY
Information Patent Grant
Electronic timepiece having a battery voltage monitor
- Patent number 4,043,112
- Issue date Aug 23, 1977
- Kabushiki Kaisha Daini Seikosha
- Kojiro Tanaka
- G01 - MEASURING TESTING
Information Patent Grant
Solid state electronic timepiece
- Patent number 3,982,387
- Issue date Sep 28, 1976
- Kabushiki Kaisha Daini Seikosha
- Kojiro Tanaka
- G04 - HOROLOGY

Kojiro Tanaka

Person

Patents Grantslast 30 patents

Electronic watch

Oscillating and dividing circuit having level shifter for electroni...

Switching system

Digital electronic timepiece

Switching construction for a handy electronic device

Digital electronic timepiece

Electronic timepiece having a battery voltage monitor

Solid state electronic timepiece