Hiroyuki Aoyama

Person

Saitama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Chip antenna and its production method, and antenna apparatus and c...
- Patent number 8,253,643
- Issue date Aug 28, 2012
- Hitachi Metals Ltd.
- Tomotsugu Kato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Magnetic material antenna and ferrite sintered body
- Patent number 8,154,464
- Issue date Apr 10, 2012
- Hitachi Metals, Ltd.
- Masayuki Gonda
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Antenna device and wireless communication apparatus using the same
- Patent number 7,903,036
- Issue date Mar 8, 2011
- Hitachi Metals, Ltd.
- Yasunori Takaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Chip antenna, an antenna device, and a communication equipment
- Patent number 7,821,468
- Issue date Oct 26, 2010
- Hitachi Metals, Ltd.
- Hiroyuki Aoyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Chip antenna, an antenna device, and a communication equipment
- Patent number 7,701,399
- Issue date Apr 20, 2010
- Hitachi Metals, Ltd.
- Hiroyuki Aoyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Antenna device and multi-band type wireless communication apparatus...
- Patent number 7,679,569
- Issue date Mar 16, 2010
- Hitachi Metals, Ltd.
- Yasunori Takaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Hexagonal ferrite, antenna using the same and communication apparatus
- Patent number 7,651,626
- Issue date Jan 26, 2010
- Hitachi Metals, Ltd.
- Masayuki Gonda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Antenna device and wireless communication apparatus using same
- Patent number 7,642,970
- Issue date Jan 5, 2010
- Hitachi Metals, Ltd.
- Hiroyuki Aoyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Antenna device and communications apparatus comprising same
- Patent number 7,148,851
- Issue date Dec 12, 2006
- Hitachi Metals, Ltd.
- Yasunori Takaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Surface mount type chip antenna and communication equipment mounted...
- Patent number 7,061,434
- Issue date Jun 13, 2006
- Hitachi Metals, Ltd.
- Hiroyuki Aoyama
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Antenna, method for manufacturing the antenna, and communication ap...
- Patent number 7,015,862
- Issue date Mar 21, 2006
- Hitachi, Ltd.
- Ken Takei
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Surface-mounted antenna and communications apparatus comprising same
- Patent number 6,873,291
- Issue date Mar 29, 2005
- Hitachi Metals, Ltd.
- Hiroyuki Aoyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Antenna element
- Patent number 6,639,559
- Issue date Oct 28, 2003
- Hitachi Ltd.
- Hiroshi Okabe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Chip antenna element, antenna apparatus and communications apparatu...
- Patent number 6,476,767
- Issue date Nov 5, 2002
- Hitachi Metals, Ltd.
- Hiroyuki Aoyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Antenna element and radio communication apparatus
- Patent number 6,452,554
- Issue date Sep 17, 2002
- Hitachi Metals, Ltd.
- Hiroyuki Aoyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Linear motor
- Patent number 5,808,381
- Issue date Sep 15, 1998
- Hitachi Metals, Ltd.
- Hiroyuki Aoyama
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Linear motor
- Patent number 5,536,983
- Issue date Jul 16, 1996
- Hitachi Metals, Ltd.
- Hirokazu Araki
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
High-voltage pulse generating circuit, and discharge-excited laser...
- Patent number 5,184,085
- Issue date Feb 2, 1993
- Hitachi Metals, Ltd.
- Shin Nakajima
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Resonant converter for stabilized operation of switching devices
- Patent number 4,858,096
- Issue date Aug 15, 1989
- Hitachi, Ltd.
- Kenichi Onda
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
CHIP ANTENNA AND ITS PRODUCTION METHOD, AND ANTENNA APPARATUS AND C...
- Publication number 20100156733
- Publication date Jun 24, 2010
- Hitachi Metals, Ltd.
- Tomotsugu Kato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Magnetic material antenna and ferrite sintered body
- Publication number 20090273534
- Publication date Nov 5, 2009
- Masayuki Gonda
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
Antenna Device and Wireless Communication Apparatus Using the Same
- Publication number 20090167614
- Publication date Jul 2, 2009
- Yasunori Takaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Antenna, antenna apparatus, and communication device
- Publication number 20080316111
- Publication date Dec 25, 2008
- Hitachi Metals, Ltd.
- Hiroyuki Aoyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Hexagonal Ferrite, Antenna Using The Same And Communication Apparatus
- Publication number 20080036671
- Publication date Feb 14, 2008
- Masayuki Gonda
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
Antenna device and multi-band type wireless communication apparatus...
- Publication number 20070290944
- Publication date Dec 20, 2007
- Hitachi Metals, Ltd.
- Yasunori Takaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CHIP ANTENNA, AN ANTENNA DEVICE, AND A COMMUNICATION EQUIPMENT
- Publication number 20070279299
- Publication date Dec 6, 2007
- Hitachi Metals, Ltd.
- Hiroyuki Aoyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Antenna device and wireless communication apparatus using same
- Publication number 20070236394
- Publication date Oct 11, 2007
- Hitachi Metals, Ltd.
- Hiroyuki Aoyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CHIP ANTENNA, AN ANTENNA DEVICE, AND A COMMUNICATION EQUIPMENT
- Publication number 20070222689
- Publication date Sep 27, 2007
- Hitachi Metals, Ltd.
- Hiroyuki Aoyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Antenna, method for manufacturing the antenna, and communication ap...
- Publication number 20050099337
- Publication date May 12, 2005
- Hitachi, Ltd.
- Ken Takei
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Antenna device and communications apparatus comprising same
- Publication number 20050078038
- Publication date Apr 14, 2005
- Yasunori Takaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Surface mount type chip antenna and communication equipment mounted...
- Publication number 20040183733
- Publication date Sep 23, 2004
- Hiroyuki Aoyama
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Surface-mounted antenna and communications apparatus comprising same
- Publication number 20030006936
- Publication date Jan 9, 2003
- HITACHI METALS, LTD
- Hiroyuki Aoyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Antenna element
- Publication number 20020126049
- Publication date Sep 12, 2002
- HITACHI LTD., HITACHI METALS, LTD.
- Hiroshi Okabe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Chip antenna element, antenna apparatus and communications apparatu...
- Publication number 20010050637
- Publication date Dec 13, 2001
- Hiroyuki Aoyama
- H01 - BASIC ELECTRIC ELEMENTS

Hiroyuki Aoyama

Person

Patents Grantslast 30 patents

Chip antenna and its production method, and antenna apparatus and c...

Magnetic material antenna and ferrite sintered body

Antenna device and wireless communication apparatus using the same

Chip antenna, an antenna device, and a communication equipment

Chip antenna, an antenna device, and a communication equipment

Antenna device and multi-band type wireless communication apparatus...

Hexagonal ferrite, antenna using the same and communication apparatus

Antenna device and wireless communication apparatus using same

Antenna device and communications apparatus comprising same

Surface mount type chip antenna and communication equipment mounted...

Antenna, method for manufacturing the antenna, and communication ap...

Surface-mounted antenna and communications apparatus comprising same

Antenna element

Chip antenna element, antenna apparatus and communications apparatu...

Antenna element and radio communication apparatus

Linear motor

Linear motor

High-voltage pulse generating circuit, and discharge-excited laser...

Resonant converter for stabilized operation of switching devices

Patents Applicationslast 30 patents

CHIP ANTENNA AND ITS PRODUCTION METHOD, AND ANTENNA APPARATUS AND C...

Magnetic material antenna and ferrite sintered body

Antenna Device and Wireless Communication Apparatus Using the Same

Antenna, antenna apparatus, and communication device

Hexagonal Ferrite, Antenna Using The Same And Communication Apparatus

Antenna device and multi-band type wireless communication apparatus...

CHIP ANTENNA, AN ANTENNA DEVICE, AND A COMMUNICATION EQUIPMENT

Antenna device and wireless communication apparatus using same

CHIP ANTENNA, AN ANTENNA DEVICE, AND A COMMUNICATION EQUIPMENT

Antenna, method for manufacturing the antenna, and communication ap...

Antenna device and communications apparatus comprising same

Surface mount type chip antenna and communication equipment mounted...

Surface-mounted antenna and communications apparatus comprising same

Antenna element

Chip antenna element, antenna apparatus and communications apparatu...