Dou Yuanzhu

Person

Miyagi-Ken, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Wireless sensor apparatus
- Patent number 8,358,237
- Issue date Jan 22, 2013
- Alps Electric Co., Ltd.
- Dou Yuanzhu
- G01 - MEASURING TESTING
Information Patent Grant
Wireless sensor apparatus
- Patent number 8,358,236
- Issue date Jan 22, 2013
- Alps Electric Co., Ltd.
- Dou Yuanzhu
- G01 - MEASURING TESTING
Information Patent Grant
Wireless sensor device
- Patent number 8,358,235
- Issue date Jan 22, 2013
- Alps Electric Co., Ltd.
- Dou Yuanzhu
- G01 - MEASURING TESTING
Information Patent Grant
Smart antenna device with increased operation speed and complex sma...
- Patent number 7,440,739
- Issue date Oct 21, 2008
- Alps Electric Co., Ltd.
- Dou Yuanzhu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Antenna device for vehicle
- Patent number 7,388,553
- Issue date Jun 17, 2008
- Alps Electric Co., Ltd.
- Dou Yuanzhu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Antenna system with high gain for radio waves polarized in particul...
- Patent number 7,304,611
- Issue date Dec 4, 2007
- Alps Electric Co., Ltd.
- Dou Yuanzhu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Antenna device with improved isolation characteristic
- Patent number 7,271,777
- Issue date Sep 18, 2007
- Alps Electric Co., Ltd.
- Dou Yuanzhu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Antenna device having radiation characteristics suitable for ultraw...
- Patent number 7,248,224
- Issue date Jul 24, 2007
- Alps Electric Co., Ltd.
- Dou Yuanzhu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Compact antenna device radiating circularly polarized wave
- Patent number 7,248,226
- Issue date Jul 24, 2007
- Alps Electric Co., Ltd.
- Dou Yuanzhu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Small-size, low-height antenna device capable of easily ensuring pr...
- Patent number 7,148,847
- Issue date Dec 12, 2006
- Alps Electric Co., Ltd.
- Dou Yuanzhu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Slot antenna having high gain in zenith direction
- Patent number 7,136,024
- Issue date Nov 14, 2006
- Alps Electric Co., Ltd.
- Dou Yuanzhu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Compact antenna device
- Patent number 7,106,253
- Issue date Sep 12, 2006
- Alps Electric Co., Ltd.
- Dou Yuanzhu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Circular polarization slot antenna apparatus capable of being easil...
- Patent number 7,091,920
- Issue date Aug 15, 2006
- Alps Electric Co., Ltd.
- Dou Yuanzhu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Patch antenna apparatus preferable for receiving ground wave and si...
- Patent number 7,079,078
- Issue date Jul 18, 2006
- Alps Electric Co., Ltd.
- Dou Yuanzhu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Antenna device having miniaturized radiating conductor plate
- Patent number 7,046,203
- Issue date May 16, 2006
- Alps Electric Co., Ltd.
- Dou Yuanzhu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Inverted-F metal plate antenna having increased bandwidth
- Patent number 6,982,673
- Issue date Jan 3, 2006
- Alps Electric Co., Ltd.
- Dou Yuanzhu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Dual-band antenna having small size and low-height
- Patent number 6,977,616
- Issue date Dec 20, 2005
- Alps Electric Co., Ltd.
- Dou Yuanzhu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Circularly polarized wave antenna device suitable for miniaturization
- Patent number 6,975,272
- Issue date Dec 13, 2005
- Alps Electric Co., Ltd.
- Dou Yuanzhu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Small-sized and high-gained antenna-integrated module
- Patent number 6,958,732
- Issue date Oct 25, 2005
- Alps Electric Co., Ltd.
- Dou Yuanzhu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Circularly-polarized-wave patch antenna which can be used in a wide...
- Patent number 6,952,183
- Issue date Oct 4, 2005
- Alps Electric Co., Ltd.
- Dou Yuanzhu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Dual band antenna allowing easy reduction of size and height
- Patent number 6,946,997
- Issue date Sep 20, 2005
- Alps Electric Co., Ltd.
- Dou Yuanzhu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Dual antenna capable of transmitting and receiving circularly polar...
- Patent number 6,879,294
- Issue date Apr 12, 2005
- Alps Electric Co., Ltd.
- Dou Yuanzhu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Monopole antenna that can easily be reduced in height dimension
- Patent number 6,809,687
- Issue date Oct 26, 2004
- Alps Electric Co., Ltd.
- Dou Yuanzhu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Satellite broadcast reception converter suitable for miniaturization
- Patent number 6,778,146
- Issue date Aug 17, 2004
- Alps Electric Co., Ltd.
- Masashi Nakagawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Converter for satellite communication reception having branching wa...
- Patent number 6,727,779
- Issue date Apr 27, 2004
- Alps Electric Co., Ltd.
- Dou Yuanzhu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Primary radiator having excellent assembly workability
- Patent number 6,717,553
- Issue date Apr 6, 2004
- Alps Electric Co., Ltd.
- Kazuhiro Sasaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Converter for satellite broadcast reception that secures isolation...
- Patent number 6,714,166
- Issue date Mar 30, 2004
- Alps Electric Co., Ltd.
- Kazuhiro Sasaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Ultrawide-band linear-circular polarization converter
- Patent number 6,624,715
- Issue date Sep 23, 2003
- Alps Electric Co., Ltd.
- Dou Yuanzhu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Primary radiator having improved receiving efficiency by reducing s...
- Patent number 6,580,400
- Issue date Jun 17, 2003
- Alps Electric Co., Ltd.
- Keiichiro Sato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Primary radiator suitable for miniaturization
- Patent number 6,567,054
- Issue date May 20, 2003
- Alps Electric Co., Ltd.
- Dou Yuanzhu
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
WIRELESS SENSOR DEVICE
- Publication number 20150208270
- Publication date Jul 23, 2015
- Alps Electric Co., Ltd.
- Yuanzhu DOU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
WIRELESS SENSOR APPARATUS
- Publication number 20110095936
- Publication date Apr 28, 2011
- Alps Electric Co., Ltd.
- Dou YUANZHU
- G01 - MEASURING TESTING
Information Patent Application
WIRELESS SENSOR APPARATUS
- Publication number 20110095942
- Publication date Apr 28, 2011
- Alps Electric Co., Ltd.
- Dou YUANZHU
- G01 - MEASURING TESTING
Information Patent Application
WIRELESS SENSOR DEVICE
- Publication number 20110057829
- Publication date Mar 10, 2011
- Dou Yuanzhu
- G01 - MEASURING TESTING
Information Patent Application
DIVERSITY RECEIVING DEVICE
- Publication number 20090304118
- Publication date Dec 10, 2009
- Dou Yuanzhu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Analog/digital broadcast signal receiver
- Publication number 20070293179
- Publication date Dec 20, 2007
- Alps Electric Co., Ltd.
- Dou Yuanzhu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Compact antenna device radiating circularly polarized wave
- Publication number 20060164314
- Publication date Jul 27, 2006
- Alps Electric Co., Ltd.
- Dou Yuanzhu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Antenna device having radiation characteristics suitable for ultraw...
- Publication number 20060132362
- Publication date Jun 22, 2006
- Alps Electric Co., Ltd.
- Dou Yuanzhu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Antenna device with improved isolation characteristic
- Publication number 20060132373
- Publication date Jun 22, 2006
- Alps Electric Co., Ltd.
- Dou Yuanzhu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Smart antenna device with increased operation speed and complex sma...
- Publication number 20060126571
- Publication date Jun 15, 2006
- Alps Electric Co., Ltd.
- Dou Yuanzhu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Antenna device for vehicle
- Publication number 20060077113
- Publication date Apr 13, 2006
- Alps Electric Co., Ltd.
- Dou Yuanzhu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Slot antenna having high gain in zenith direction
- Publication number 20050168389
- Publication date Aug 4, 2005
- Dou Yuanzhu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Antenna device suitable for miniaturization
- Publication number 20050116875
- Publication date Jun 2, 2005
- Alps Electric Co., Ltd.
- Dou Yuanzhu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CIRCULARLY POLARIZED WAVE ANTENNA DEVICE SUITABLE FOR MINIATURIZATION
- Publication number 20050116863
- Publication date Jun 2, 2005
- Alps Electric Co., Ltd.
- Dou Yuanzhu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Circular polarization slot antenna apparatus capable of being easil...
- Publication number 20050104793
- Publication date May 19, 2005
- Alps Electric Co., Ltd.
- Dou Yuanzhu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Antenna device having miniaturized radiating conductor plate
- Publication number 20050093748
- Publication date May 5, 2005
- Alps Electric Co., Ltd.
- Dou Yuanzhu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Wireless network card having improved antenna sensitivity
- Publication number 20050090284
- Publication date Apr 28, 2005
- Alps Electric Co., Ltd.
- Dou Yuanzhu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Small-size, low-height antenna device capable of easily ensuring pr...
- Publication number 20050057416
- Publication date Mar 17, 2005
- Alps Electric Co., Ltd.
- Dou Yuanzhu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Dual-band antenna having small size and low height
- Publication number 20050057400
- Publication date Mar 17, 2005
- Alps Electric Co., Ltd.
- Dou Yuanzhu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Small-size, low-height antenna device capable of easily ensuring pr...
- Publication number 20050057401
- Publication date Mar 17, 2005
- Alps Electric Co., Ltd.
- Dou Yuanzhu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Antenna system with high gain for radio waves polarized in particul...
- Publication number 20040263400
- Publication date Dec 30, 2004
- Alps Electric Co., Ltd.
- Dou Yuanzhu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Small-sized and high-gained antenna-integrated module
- Publication number 20040252064
- Publication date Dec 16, 2004
- Alps Electric Co., Ltd.
- Dou Yuanzhu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Patch antenna apparatus preferable for receiving ground wave and si...
- Publication number 20040201523
- Publication date Oct 14, 2004
- Alps Electric Co., Ltd.
- Dou Yuanzhu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Patch antenna apparatus preferable for receiving ground wave and si...
- Publication number 20040201524
- Publication date Oct 14, 2004
- Alps Electric Co., Ltd.
- Dou Yuanzhu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Inverted-F metal plate antenna having increased bandwidth
- Publication number 20040196195
- Publication date Oct 7, 2004
- Alps Electric Co., Ltd.
- Dou Yuanzhu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Compact and low-profile antenna device having wide range of resonan...
- Publication number 20040155832
- Publication date Aug 12, 2004
- Alps Electric Co., Ltd.
- Dou Yuanzhu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Dual band antenna allowing easy reduction of size and height
- Publication number 20040150567
- Publication date Aug 5, 2004
- Alps Electric Co., Ltd.
- Dou Yuanzhu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Compact antenna device
- Publication number 20040150566
- Publication date Aug 5, 2004
- Alps Electric Co., Ltd.
- Dou Yuanzhu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Dual-band antenna having high horizontal sensitivity
- Publication number 20040125033
- Publication date Jul 1, 2004
- Alps Electric Co., Ltd.
- Dou Yuanzhu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Wireless-LAN diversity antenna less susceptible to multipath influence
- Publication number 20040017320
- Publication date Jan 29, 2004
- Alps Electric Co., Ltd.
- Dou Yuanzhu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Dou Yuanzhu

Person

Patents Grantslast 30 patents

Wireless sensor apparatus

Wireless sensor apparatus

Wireless sensor device

Smart antenna device with increased operation speed and complex sma...

Antenna device for vehicle

Antenna system with high gain for radio waves polarized in particul...

Antenna device with improved isolation characteristic

Antenna device having radiation characteristics suitable for ultraw...

Compact antenna device radiating circularly polarized wave

Small-size, low-height antenna device capable of easily ensuring pr...

Slot antenna having high gain in zenith direction

Compact antenna device

Circular polarization slot antenna apparatus capable of being easil...

Patch antenna apparatus preferable for receiving ground wave and si...

Antenna device having miniaturized radiating conductor plate

Inverted-F metal plate antenna having increased bandwidth

Dual-band antenna having small size and low-height

Circularly polarized wave antenna device suitable for miniaturization

Small-sized and high-gained antenna-integrated module

Circularly-polarized-wave patch antenna which can be used in a wide...

Dual band antenna allowing easy reduction of size and height

Dual antenna capable of transmitting and receiving circularly polar...

Monopole antenna that can easily be reduced in height dimension

Satellite broadcast reception converter suitable for miniaturization

Converter for satellite communication reception having branching wa...

Primary radiator having excellent assembly workability

Converter for satellite broadcast reception that secures isolation...

Ultrawide-band linear-circular polarization converter

Primary radiator having improved receiving efficiency by reducing s...

Primary radiator suitable for miniaturization

Patents Applicationslast 30 patents

WIRELESS SENSOR DEVICE

WIRELESS SENSOR APPARATUS

WIRELESS SENSOR APPARATUS

WIRELESS SENSOR DEVICE

DIVERSITY RECEIVING DEVICE

Analog/digital broadcast signal receiver

Compact antenna device radiating circularly polarized wave

Antenna device having radiation characteristics suitable for ultraw...

Antenna device with improved isolation characteristic

Smart antenna device with increased operation speed and complex sma...

Antenna device for vehicle

Slot antenna having high gain in zenith direction

Antenna device suitable for miniaturization

CIRCULARLY POLARIZED WAVE ANTENNA DEVICE SUITABLE FOR MINIATURIZATION

Circular polarization slot antenna apparatus capable of being easil...

Antenna device having miniaturized radiating conductor plate

Wireless network card having improved antenna sensitivity

Small-size, low-height antenna device capable of easily ensuring pr...

Dual-band antenna having small size and low height

Small-size, low-height antenna device capable of easily ensuring pr...

Antenna system with high gain for radio waves polarized in particul...

Small-sized and high-gained antenna-integrated module

Patch antenna apparatus preferable for receiving ground wave and si...

Patch antenna apparatus preferable for receiving ground wave and si...

Inverted-F metal plate antenna having increased bandwidth

Compact and low-profile antenna device having wide range of resonan...

Dual band antenna allowing easy reduction of size and height

Compact antenna device

Dual-band antenna having high horizontal sensitivity

Wireless-LAN diversity antenna less susceptible to multipath influence