Masaki Ichihara

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Distortion control device and method
- Patent number 8,995,565
- Issue date Mar 31, 2015
- Lenovo Innovations Limited (Hong Kong)
- Masaki Ichihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Server, mobile communication system, and data updating method in th...
- Patent number 8,620,274
- Issue date Dec 31, 2013
- NEC Corporation
- Masaki Ichihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
OFDM receiving device and OFDM receiving method
- Patent number 8,396,176
- Issue date Mar 12, 2013
- NEC Corporation
- Masaki Ichihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Orthogonal frequency division multiplex modem circuit
- Patent number 8,335,153
- Issue date Dec 18, 2012
- NEC Corporation
- Masaki Ichihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Receiving amplitude correction circuit, receiving amplitude correct...
- Patent number 8,050,367
- Issue date Nov 1, 2011
- NEC Corporation
- Masaki Ichihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Diversity receiver and gain adjusting method therefor
- Patent number 7,856,216
- Issue date Dec 21, 2010
- NEC Corporation
- Masaki Ichihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Orthogonal frequency division multiplex modem circuit
- Patent number 7,843,803
- Issue date Nov 30, 2010
- NEC Corporation
- Masaki Ichihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multi-band wireless transceiver and method of controlling the same
- Patent number 7,664,475
- Issue date Feb 16, 2010
- NEC Corporation
- Masaki Ichihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for adjusting transmission power of CDMA terminal
- Patent number RE40553
- Issue date Oct 28, 2008
- NEC Corporation
- Masaki Ichihara
- 370 - Multiplex communications
Information Patent Grant
Mobile terminal device and positional information system
- Patent number 7,330,729
- Issue date Feb 12, 2008
- NEC Corporation
- Satoshi Niwa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Base band circuit of receiver and low cut-off frequency control method
- Patent number 7,257,178
- Issue date Aug 14, 2007
- NEC Corporation
- Masaki Ichihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Frequency correction method and apparatus for correcting secular ch...
- Patent number 7,228,117
- Issue date Jun 5, 2007
- NEC Corporation
- Masaki Ichihara
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Amplitude deviation correction circuit
- Patent number 7,206,360
- Issue date Apr 17, 2007
- NEC Corporation
- Masaki Ichihara
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Baseband circuit incorporated in direct conversion receiver free fr...
- Patent number 7,127,224
- Issue date Oct 24, 2006
- NEC Corporation
- Masaki Ichihara
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Orthogonal frequency division multiplex modem circuit
- Patent number 7,099,268
- Issue date Aug 29, 2006
- NEC Corporation
- Masaki Ichihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Compound information terminal, mobile communications system and con...
- Patent number 7,069,060
- Issue date Jun 27, 2006
- NEC Corporation
- Yusuke Kimata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Direct conversion receiver and transceiver
- Patent number 7,006,814
- Issue date Feb 28, 2006
- NEC Corporation
- Masaki Ichihara
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Frequency shifting circuit and method
- Patent number 6,922,451
- Issue date Jul 26, 2005
- NEC Corporation
- Masaki Ichihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Information terminal apparatus having a variable directional antenn...
- Patent number 6,915,120
- Issue date Jul 5, 2005
- NEC Corporation
- Masaki Ichihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
AGC circuit
- Patent number 6,782,061
- Issue date Aug 24, 2004
- NEC Corporation
- Masaki Ichihara
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Mobile station with transmission power control system
- Patent number 6,591,089
- Issue date Jul 8, 2003
- NEC Corporation
- Masaki Ichihara
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Predistorter
- Patent number 6,587,513
- Issue date Jul 1, 2003
- NEC Corporation
- Masaki Ichihara
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
PLL circuit having a variable output frequency
- Patent number 6,587,005
- Issue date Jul 1, 2003
- NEC Corporation
- Masaki Ichihara
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Amplitude calculation circuit
- Patent number 6,570,914
- Issue date May 27, 2003
- NEC Corporation
- Masaki Ichihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for adjusting transmission power of a CDMA ter...
- Patent number 6,553,018
- Issue date Apr 22, 2003
- NEC Corporation
- Masaki Ichihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Password updating apparatus and recording medium used therefor
- Patent number 6,496,937
- Issue date Dec 17, 2002
- NEC Corp.
- Masaki Ichihara
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and circuit for controlling baseband gain
- Patent number 6,480,063
- Issue date Nov 12, 2002
- NEC Corporation
- Masaki Ichihara
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Transmission power control device capable of decreasing current con...
- Patent number 6,434,373
- Issue date Aug 13, 2002
- NEC Corporation
- Masaki Ichihara
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
System for providing charge between communication devices
- Patent number 6,424,124
- Issue date Jul 23, 2002
- NEC Corporation
- Masaki Ichihara
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Frequency modulation circuit
- Patent number 6,373,880
- Issue date Apr 16, 2002
- NEC Corporation
- Masaki Ichihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
ORTHOGONAL FREQUENCY DIVISION MULTIPLEX MODEM CIRCUIT
- Publication number 20110038403
- Publication date Feb 17, 2011
- NEC Corporation
- Masaki Ichihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OFDM RECEIVING DEVICE, OFDM RECIEIVING METHOD, COMMUNICATION SYSTE...
- Publication number 20100296609
- Publication date Nov 25, 2010
- MASAKI ICHIHARA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RECEIVING AMPLITUDE CORRECTION CIRCUIT, RECEIVING AMPLITUDE CORRECT...
- Publication number 20090285340
- Publication date Nov 19, 2009
- MASAKI ICHIHARA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Distortion Control Device and Method
- Publication number 20090202017
- Publication date Aug 13, 2009
- MASAKI ICHIHARA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DIVERSITY RECEIVER AND GAIN ADJUSTING METHOD THEREFOR
- Publication number 20090011731
- Publication date Jan 8, 2009
- NEC Corporation
- Masaki Ichihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Orthogonal frequency division multiplex modem circuit
- Publication number 20060209673
- Publication date Sep 21, 2006
- NEC Corporation
- Masaki Ichihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Multi-band wireless transceiver and method of controlling the same
- Publication number 20060052131
- Publication date Mar 9, 2006
- NEC Corporation
- Masaki Ichihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Server, mobile communication system, and data updating method in th...
- Publication number 20050124323
- Publication date Jun 9, 2005
- NEC Corporation
- Masaki Ichihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Frequency correction method and apparatus for correcting secular ch...
- Publication number 20040180630
- Publication date Sep 16, 2004
- NEC Corporation
- Masaki Ichihara
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Base band circuit of receiver and low cut-off frequency control method
- Publication number 20030142767
- Publication date Jul 31, 2003
- NEC Corporation
- Masaki Ichihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Mobile terminal device and positional information system
- Publication number 20030129995
- Publication date Jul 10, 2003
- NEC Corporation
- Satoshi Niwa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
AGC CIRCUIT
- Publication number 20030086513
- Publication date May 8, 2003
- MASAKI ICHIHARA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Compound information terminal, mobile communications system and con...
- Publication number 20030045333
- Publication date Mar 6, 2003
- NEC Corporation
- Yusuke Kimata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Information terminal apparatus having a variable directional antenn...
- Publication number 20020132581
- Publication date Sep 19, 2002
- NEC Corporation
- Masaki Ichihara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PLL circuit having a variable output frequency
- Publication number 20020089384
- Publication date Jul 11, 2002
- NEC Corporation
- Masaki Ichihara
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Method and circuit for controlling baseband gain
- Publication number 20020047744
- Publication date Apr 25, 2002
- NEC Corporation
- Masaki Ichihara
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Baseband circuit incorporated in direct conversion receiver free fr...
- Publication number 20020037706
- Publication date Mar 28, 2002
- NEC Corporation
- Masaki Ichihara
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Orthogonal frequency division multiplex modem circuit
- Publication number 20010053124
- Publication date Dec 20, 2001
- NEC Corporation
- Masaki Ichihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Direct conversion receiver and transceiver
- Publication number 20010051507
- Publication date Dec 13, 2001
- NEC Corporation
- Masaki Ichihara
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Rewarding method corresponding to object selection on web page and...
- Publication number 20010029466
- Publication date Oct 11, 2001
- NEC COPORATION
- Masaki Ichihara
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Amplitude deviation correction circuit
- Publication number 20010022821
- Publication date Sep 20, 2001
- MASAKI ICHIHARA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
TRANSMISSION POWER CONTROL DEVICE CAPABLE OF VARYING A TRANSMISSION...
- Publication number 20010014587
- Publication date Aug 16, 2001
- MASAKI ICHIHARA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Charging system for portable equipment
- Publication number 20010005126
- Publication date Jun 28, 2001
- Masaki Ichihara
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Masaki Ichihara

Person

Patents Grantslast 30 patents

Distortion control device and method

Server, mobile communication system, and data updating method in th...

OFDM receiving device and OFDM receiving method

Orthogonal frequency division multiplex modem circuit

Receiving amplitude correction circuit, receiving amplitude correct...

Diversity receiver and gain adjusting method therefor

Orthogonal frequency division multiplex modem circuit

Multi-band wireless transceiver and method of controlling the same

Method and apparatus for adjusting transmission power of CDMA terminal

Mobile terminal device and positional information system

Base band circuit of receiver and low cut-off frequency control method

Frequency correction method and apparatus for correcting secular ch...

Amplitude deviation correction circuit

Baseband circuit incorporated in direct conversion receiver free fr...

Orthogonal frequency division multiplex modem circuit

Compound information terminal, mobile communications system and con...

Direct conversion receiver and transceiver

Frequency shifting circuit and method

Information terminal apparatus having a variable directional antenn...

AGC circuit

Mobile station with transmission power control system

Predistorter

PLL circuit having a variable output frequency

Amplitude calculation circuit

Method and apparatus for adjusting transmission power of a CDMA ter...

Password updating apparatus and recording medium used therefor

Method and circuit for controlling baseband gain

Transmission power control device capable of decreasing current con...

System for providing charge between communication devices

Frequency modulation circuit

Patents Applicationslast 30 patents

ORTHOGONAL FREQUENCY DIVISION MULTIPLEX MODEM CIRCUIT

OFDM RECEIVING DEVICE, OFDM RECIEIVING METHOD, COMMUNICATION SYSTE...

RECEIVING AMPLITUDE CORRECTION CIRCUIT, RECEIVING AMPLITUDE CORRECT...

Distortion Control Device and Method

DIVERSITY RECEIVER AND GAIN ADJUSTING METHOD THEREFOR

Orthogonal frequency division multiplex modem circuit

Multi-band wireless transceiver and method of controlling the same

Server, mobile communication system, and data updating method in th...

Frequency correction method and apparatus for correcting secular ch...

Base band circuit of receiver and low cut-off frequency control method

Mobile terminal device and positional information system

AGC CIRCUIT

Compound information terminal, mobile communications system and con...

Information terminal apparatus having a variable directional antenn...

PLL circuit having a variable output frequency

Method and circuit for controlling baseband gain

Baseband circuit incorporated in direct conversion receiver free fr...

Orthogonal frequency division multiplex modem circuit

Direct conversion receiver and transceiver

Rewarding method corresponding to object selection on web page and...

Amplitude deviation correction circuit

TRANSMISSION POWER CONTROL DEVICE CAPABLE OF VARYING A TRANSMISSION...

Charging system for portable equipment