Yoshikazu Kawamura

Person

Suwa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Step motor control mechanism for electronic timepiece
- Patent number 5,038,329
- Issue date Aug 6, 1991
- Seiko Epson Corporation
- Yoshikazu Kawamura
- G04 - HOROLOGY
Information Patent Grant
Step motor control mechanism for electronic timepiece
- Patent number 4,715,725
- Issue date Dec 29, 1987
- Seiko Epson Corporation
- Yoshikazu Kawamura
- G04 - HOROLOGY
Information Patent Grant
Step motor control mechanism for electronic timepiece
- Patent number 4,599,005
- Issue date Jul 8, 1986
- Seiko Epson Corporation
- Yoshikazu Kawamura
- G04 - HOROLOGY
Information Patent Grant
Step motor control mechanism for electronic timepiece
- Patent number 4,522,507
- Issue date Jun 11, 1985
- Kabushiki Kaisha Suwa Seikosha
- Yoshikazu Kawamura
- G04 - HOROLOGY
Information Patent Grant
Step motor control mechanism for electronic timepiece
- Patent number 4,370,065
- Issue date Jan 25, 1983
- Kabushiki Kaisha Suwa Seikosha
- Yoshikazu Kawamura
- G04 - HOROLOGY
Information Patent Grant
Transducer for electronic timepiece
- Patent number 4,262,353
- Issue date Apr 14, 1981
- Kabushiki Kaisha Suwa Seikosha
- Sakiho Okazaki
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Step motor driving circuit
- Patent number 4,227,135
- Issue date Oct 7, 1980
- Kabushiki Kaisha Suwa Seikosha
- Yoshikazu Kawamura
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Step motor control mechanism for electronic timepiece
- Patent number 4,212,156
- Issue date Jul 15, 1980
- Kabushiki Kaisha Suwa Seikosha
- Yoshikazu Kawamura
- G04 - HOROLOGY
Information Patent Grant
Step motor control mechanism for electronic timepiece
- Patent number 4,192,131
- Issue date Mar 11, 1980
- Kabushiki Kaisha Suwa Seikosha
- Minoru Hosokawa
- G04 - HOROLOGY
Information Patent Grant
Touch sensitive input for electronic wristwatch and/or electronic c...
- Patent number 4,105,902
- Issue date Aug 8, 1978
- Kabushiki Kaisha Suwa Seikosha
- Yuichiro Iwai
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Step motor
- Patent number 4,103,191
- Issue date Jul 25, 1978
- Kabushiki Kaisha Suwa Seikosha
- Yoshikazu Kawamura
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Yoshikazu Kawamura

Person

Patents Grantslast 30 patents

Step motor control mechanism for electronic timepiece

Step motor control mechanism for electronic timepiece

Step motor control mechanism for electronic timepiece

Step motor control mechanism for electronic timepiece

Step motor control mechanism for electronic timepiece

Transducer for electronic timepiece

Step motor driving circuit

Step motor control mechanism for electronic timepiece

Step motor control mechanism for electronic timepiece

Touch sensitive input for electronic wristwatch and/or electronic c...

Step motor