Shunsuke Koyama

Person

Chino-shi, Nagano-ken, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Antenna device and electronic timepiece
- Patent number 9,979,075
- Issue date May 22, 2018
- Seiko Epson Corporation
- Shunsuke Koyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Sleeve antenna and wireless communication device
- Patent number 9,853,354
- Issue date Dec 26, 2017
- Seiko Epson Corporation
- Shunsuke Koyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Wireless communication apparatus and electronic device
- Patent number 8,934,385
- Issue date Jan 13, 2015
- Seiko Epson Corporation
- Eiichiro Yamaguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication device and communication method
- Patent number 8,477,562
- Issue date Jul 2, 2013
- Seiko Epson Corporation
- Shunsuke Koyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Antenna apparatus, printed wiring board, printed circuit board, com...
- Patent number 6,946,996
- Issue date Sep 20, 2005
- Seiko Epson Corporation
- Shunsuke Koyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Antenna device for high-frequency radio apparatus and wrist watch-t...
- Patent number 6,762,728
- Issue date Jul 13, 2004
- Seiko Epson Corporation
- Shunsuke Koyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Battery powered electronic device and control method therefor
- Patent number 6,744,698
- Issue date Jun 1, 2004
- Seiko Epson Corporation
- Shunsuke Koyama
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Antenna device for high-frequency radio apparatus, high-frequency r...
- Patent number 6,531,988
- Issue date Mar 11, 2003
- Seiko Epson Corporation
- Shunsuke Koyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Mounting structure of semiconductor device, and communication appar...
- Patent number 6,396,144
- Issue date May 28, 2002
- Seiko Epson Corporation
- Shunsuke Koyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Slot antenna device and wireless apparatus employing the antenna de...
- Patent number 5,940,041
- Issue date Aug 17, 1999
- Seiko Epson Corporation
- Shunsuke Koyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Slot antenna device and wireless apparatus employing the antenna de...
- Patent number 5,757,326
- Issue date May 26, 1998
- Seiko Epson Corporation
- Shunsuke Koyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Wrist carried wireless instrument
- Patent number 5,530,453
- Issue date Jun 25, 1996
- Seiko Epson Corporation
- Shunsuke Koyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Paging device with structure for removing static electricity
- Patent number 5,280,646
- Issue date Jan 18, 1994
- Seiko Epson Corporation
- Shunsuke Koyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wrist carried wireless instrument
- Patent number 5,225,846
- Issue date Jul 6, 1993
- Seiko Epson Corporation
- Shunsuke Koyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Wrist carried wireless instrument
- Patent number 5,072,231
- Issue date Dec 10, 1991
- Seiko Epson Corporation
- Shunsuke Koyama
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
ANTENNA DEVICE AND ELECTRONIC TIMEPIECE
- Publication number 20160240913
- Publication date Aug 18, 2016
- SEIKO EPSON CORPORATION
- Shunsuke KOYAMA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SLEEVE ANTENNA AND WIRELESS COMMUNICATION DEVICE
- Publication number 20150048987
- Publication date Feb 19, 2015
- SEIKO EPSON CORPORATION
- Shunsuke Koyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
WIRELESS COMMUNICATION APPARATUS AND ELECTRONIC DEVICE
- Publication number 20130094417
- Publication date Apr 18, 2013
- SEIKO EPSON CORPORATION
- Eiichiro YAMAGUCHI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION DEVICE AND COMMUNICATION METHOD
- Publication number 20110013480
- Publication date Jan 20, 2011
- SEIKO EPSON CORPORATION
- Shunsuke KOYAMA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Antenna apparatus, printed wiring board, printed circuit board, com...
- Publication number 20040119654
- Publication date Jun 24, 2004
- Shunsuke Koyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Battery powered electronic device and control method therefor
- Publication number 20020171400
- Publication date Nov 21, 2002
- Shunsuke Koyama
- G04 - HOROLOGY
Information Patent Application
Antenna device for high-frequency radio apparatus,high-frequency ra...
- Publication number 20020163473
- Publication date Nov 7, 2002
- Shunsuke Koyama
- G04 - HOROLOGY

Shunsuke Koyama

Person

Patents Grantslast 30 patents

Antenna device and electronic timepiece

Sleeve antenna and wireless communication device

Wireless communication apparatus and electronic device

Communication device and communication method

Antenna apparatus, printed wiring board, printed circuit board, com...

Antenna device for high-frequency radio apparatus and wrist watch-t...

Battery powered electronic device and control method therefor

Antenna device for high-frequency radio apparatus, high-frequency r...

Mounting structure of semiconductor device, and communication appar...

Slot antenna device and wireless apparatus employing the antenna de...

Slot antenna device and wireless apparatus employing the antenna de...

Wrist carried wireless instrument

Paging device with structure for removing static electricity

Wrist carried wireless instrument

Wrist carried wireless instrument

Patents Applicationslast 30 patents

ANTENNA DEVICE AND ELECTRONIC TIMEPIECE

SLEEVE ANTENNA AND WIRELESS COMMUNICATION DEVICE

WIRELESS COMMUNICATION APPARATUS AND ELECTRONIC DEVICE

COMMUNICATION DEVICE AND COMMUNICATION METHOD

Antenna apparatus, printed wiring board, printed circuit board, com...

Battery powered electronic device and control method therefor

Antenna device for high-frequency radio apparatus,high-frequency ra...