Hiroki Yamashita

Person

Hachioji, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Communication device and automobile including the same
- Patent number 10,972,308
- Issue date Apr 6, 2021
- Hitachi Automotive Systems, Ltd.
- Tomohiko Yano
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Load drive system and load drive method
- Patent number 10,886,970
- Issue date Jan 5, 2021
- Hitachi Automotive Systems, Ltd.
- Tomohiko Yano
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Electronic control apparatus provided with power line communication...
- Patent number 10,700,741
- Issue date Jun 30, 2020
- Hitachi Automotive Systems, Ltd.
- Hiroki Yamashita
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Power line communication apparatus and electronic control apparatus...
- Patent number 10,498,395
- Issue date Dec 3, 2019
- Hitachi Automotive Systems, Ltd.
- Hiroki Yamashita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission circuit with upper and lower threshold control
- Patent number 9,866,185
- Issue date Jan 9, 2018
- Hitachi, Ltd.
- Takashi Takemoto
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Transimpedance amplifier
- Patent number 9,054,655
- Issue date Jun 9, 2015
- Hitachi, Ltd.
- Takashi Takemoto
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Transimpedance amplifier, semiconductor device, and optical module...
- Patent number 8,993,952
- Issue date Mar 31, 2015
- Hitachi, Ltd.
- Takashi Takemoto
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Semiconductor integrated circuit device
- Patent number 8,772,880
- Issue date Jul 8, 2014
- Hitachi, Ltd.
- Koji Fukuda
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Transmitter circuit
- Patent number 8,674,725
- Issue date Mar 18, 2014
- Hitachi, Ltd.
- Hiroaki Kurahashi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Optical communication module and optical communication device
- Patent number 8,503,888
- Issue date Aug 6, 2013
- Hitachi, Ltd.
- Takashi Takemoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Data judgment/phase comparison circuit
- Patent number 8,503,595
- Issue date Aug 6, 2013
- Hitachi, Ltd.
- Koji Fukuda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Output driver circuit
- Patent number 8,493,103
- Issue date Jul 23, 2013
- Hitachi, Ltd.
- Koji Fukuda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical communication device
- Patent number 8,445,832
- Issue date May 21, 2013
- Hitachi, Ltd.
- Takashi Takemoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Low offset input circuit and transmission system with the input cir...
- Patent number 8,358,708
- Issue date Jan 22, 2013
- Hitachi, Ltd.
- Takashi Takemoto
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Signal recovery circuit
- Patent number 8,311,157
- Issue date Nov 13, 2012
- Hitachi, Ltd.
- Koji Fukuda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Waveform equalization circuit with pulse width modulation
- Patent number 8,253,461
- Issue date Aug 28, 2012
- Hitachi, Ltd.
- Fumio Yuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Clock recovery circuit
- Patent number 8,149,973
- Issue date Apr 3, 2012
- Hitachi, Ltd.
- Koji Fukuda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Pulse amplitude modulation circuit with pulse width equalization
- Patent number 8,040,776
- Issue date Oct 18, 2011
- Hitachi, Ltd.
- Koji Fukuda
- G11 - INFORMATION STORAGE
Information Patent Grant
Transmitter and receiver using forward clock overlaying link inform...
- Patent number 8,005,130
- Issue date Aug 23, 2011
- Hitachi, Ltd.
- Hidehiro Toyoda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Semiconductor integrated circuit device
- Patent number 7,899,144
- Issue date Mar 1, 2011
- Hitachi, Ltd.
- Koji Fukuda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Pre-emphasis circuit
- Patent number 7,830,167
- Issue date Nov 9, 2010
- Hitachi, Ltd.
- Goichi Ono
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Low-offset input circuit including amplifier circuit to correct cir...
- Patent number 7,795,944
- Issue date Sep 14, 2010
- Hitachi, Ltd.
- Masayoshi Yagyu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Logic circuit
- Patent number 7,768,330
- Issue date Aug 3, 2010
- Hitachi, Ltd.
- Fumio Yuuki
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Semiconductor device having transmitter/receiver circuit between ci...
- Patent number 7,764,090
- Issue date Jul 27, 2010
- Hitachi, Ltd.
- Hiroki Yamashita
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Amplifier circuit
- Patent number 7,714,644
- Issue date May 11, 2010
- Hitachi, Ltd.
- Takashi Takemoto
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Level conversion circuit
- Patent number 7,649,381
- Issue date Jan 19, 2010
- Hitachi, Ltd.
- Hiroki Yamashita
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Logic circuit
- Patent number 7,535,261
- Issue date May 19, 2009
- Hitachi, Ltd.
- Fumio Yuuki
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Clock and data recovery method and digital circuit for the same
- Patent number 7,474,720
- Issue date Jan 6, 2009
- Hitachi, Ltd.
- Fumio Yuuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Magnetic recording device
- Patent number 7,417,818
- Issue date Aug 26, 2008
- Hitachi, Ltd.
- Fumio Yuuki
- G11 - INFORMATION STORAGE
Information Patent Grant
Signal transmission circuit, signal output circuit and termination...
- Patent number 7,373,114
- Issue date May 13, 2008
- Hitachi, Ltd.
- Masayoshi Yagyu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
COMMUNICATION DEVICE AND AUTOMOBILE INCLUDING THE SAME
- Publication number 20200195470
- Publication date Jun 18, 2020
- HITACHI AUTOMOTIVE SYSTEMS, LTD.
- Tomohiko YANO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ELECTRONIC CONTROL APPARATUS PROVIDED WITH POWER LINE COMMUNICATION...
- Publication number 20200059264
- Publication date Feb 20, 2020
- Hitachi Automotive Systems, Ltd.
- Hiroki YAMASHITA
- B60 - VEHICLES IN GENERAL
Information Patent Application
LOAD DRIVE SYSTEM AND LOAD DRIVE METHOD
- Publication number 20200014424
- Publication date Jan 9, 2020
- Hitachi Automotive Systems, Ltd.
- Tomohiko YANO
- B60 - VEHICLES IN GENERAL
Information Patent Application
Power Line Communication Apparatus and Electronic Control Apparatus...
- Publication number 20190007100
- Publication date Jan 3, 2019
- Hitachi Automotive Systems, Ltd.
- Hiroki YAMASHITA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMISSION CIRCUIT
- Publication number 20150222236
- Publication date Aug 6, 2015
- Hitachi, Ltd.
- Takashi Takemoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
TRANSIMPEDANCE AMPLIFIER
- Publication number 20130342275
- Publication date Dec 26, 2013
- Hitachi, Ltd
- Takashi TAKEMOTO
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
TRANSIMPEDANCE AMPLIFIER, SEMICONDUCTOR DEVICE, AND OPTICAL MODULE
- Publication number 20130016748
- Publication date Jan 17, 2013
- Hitachi, Ltd.
- Takashi Takemoto
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE
- Publication number 20120249217
- Publication date Oct 4, 2012
- Koji Fukuda
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
TRANSMITTER CIRCUIT
- Publication number 20120187980
- Publication date Jul 26, 2012
- Hitachi, Ltd.
- Hiroaki KURAHASHI
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
DATA JUDGMENT/PHASE COMPARISON CIRCUIT
- Publication number 20120133394
- Publication date May 31, 2012
- Koji Fukuda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL COMMUNICATION DEVICE
- Publication number 20110316632
- Publication date Dec 29, 2011
- Hitachi, Ltd
- Takashi Takemoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL COMMUNICATION MODULE AND OPTICAL COMMUNICATION DEVICE
- Publication number 20110249980
- Publication date Oct 13, 2011
- Hitachi, Ltd.
- Takashi Takemoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OUTPUT DRIVER CIRCUIT
- Publication number 20110193595
- Publication date Aug 11, 2011
- Hitachi, Ltd.
- Koji Fukuda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
WAVEFORM EQUALIZATION CIRCUIT WITH PULSE WIDTH MODULATION
- Publication number 20110001588
- Publication date Jan 6, 2011
- Hitachi, Ltd.
- Fumio YUKI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Low offset input circuit and transmission system with the input cir...
- Publication number 20090304092
- Publication date Dec 10, 2009
- Takashi TAKEMOTO
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Pre-emphasis circuit
- Publication number 20090296851
- Publication date Dec 3, 2009
- Goichi Ono
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Signal recovery circuit
- Publication number 20090231001
- Publication date Sep 17, 2009
- Hitachi, Ltd.
- Koji Fukuda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Clock recovery circuit
- Publication number 20090207957
- Publication date Aug 20, 2009
- Hitachi, Ltd.
- Koji Fukuda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
LOW-OFFSET INPUT CIRCUIT
- Publication number 20090085632
- Publication date Apr 2, 2009
- Hitachi, Ltd.
- Masayoshi YAGYU
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Oscillation Circuit
- Publication number 20090033431
- Publication date Feb 5, 2009
- Hitachi, Ltd.
- Hiroki Yamashita
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Amplifier Circuit
- Publication number 20090009240
- Publication date Jan 8, 2009
- Hitachi, Ltd.
- Takashi Takemoto
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Semiconductor Device Having Transmitter/Receiver Circuit Between Ci...
- Publication number 20080265973
- Publication date Oct 30, 2008
- Hitachi, Ltd.
- Hiroki Yamashita
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Logic circuit
- Publication number 20080204100
- Publication date Aug 28, 2008
- Hitachi, Ltd.
- Fumio Yuuki
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Level conversion circuit
- Publication number 20080157816
- Publication date Jul 3, 2008
- Hitachi, Ltd.
- Hiroki Yamashita
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Semiconductor Integrated Circuit Device
- Publication number 20080112522
- Publication date May 15, 2008
- Koji Fukuda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Transmitter and receiver using forward clock overlaying link inform...
- Publication number 20080056336
- Publication date Mar 6, 2008
- Hitachi, Ltd.
- Hidehiro Toyoda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PULSE AMPLITUDE MODULATION CIRCUIT WITH PULSE WIDTH EQUALIZATION
- Publication number 20080056342
- Publication date Mar 6, 2008
- KOJI FUJUDA
- G11 - INFORMATION STORAGE
Information Patent Application
Logic circuit
- Publication number 20070069787
- Publication date Mar 29, 2007
- Fumio Yuuki
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Magnetic recording device
- Publication number 20060203372
- Publication date Sep 14, 2006
- Fumio Yuuki
- G11 - INFORMATION STORAGE
Information Patent Application
Semiconductor device
- Publication number 20060158802
- Publication date Jul 20, 2006
- Hitachi, Ltd.
- Tatsuya Kawashimo
- H03 - BASIC ELECTRONIC CIRCUITRY

Hiroki Yamashita

Person

Patents Grantslast 30 patents

Communication device and automobile including the same

Load drive system and load drive method

Electronic control apparatus provided with power line communication...

Power line communication apparatus and electronic control apparatus...

Optical transmission circuit with upper and lower threshold control

Transimpedance amplifier

Transimpedance amplifier, semiconductor device, and optical module...

Semiconductor integrated circuit device

Transmitter circuit

Optical communication module and optical communication device

Data judgment/phase comparison circuit

Output driver circuit

Optical communication device

Low offset input circuit and transmission system with the input cir...

Signal recovery circuit

Waveform equalization circuit with pulse width modulation

Clock recovery circuit

Pulse amplitude modulation circuit with pulse width equalization

Transmitter and receiver using forward clock overlaying link inform...

Semiconductor integrated circuit device

Pre-emphasis circuit

Low-offset input circuit including amplifier circuit to correct cir...

Logic circuit

Semiconductor device having transmitter/receiver circuit between ci...

Amplifier circuit

Level conversion circuit

Logic circuit

Clock and data recovery method and digital circuit for the same

Magnetic recording device

Signal transmission circuit, signal output circuit and termination...

Patents Applicationslast 30 patents

COMMUNICATION DEVICE AND AUTOMOBILE INCLUDING THE SAME

ELECTRONIC CONTROL APPARATUS PROVIDED WITH POWER LINE COMMUNICATION...

LOAD DRIVE SYSTEM AND LOAD DRIVE METHOD

Power Line Communication Apparatus and Electronic Control Apparatus...

OPTICAL TRANSMISSION CIRCUIT

TRANSIMPEDANCE AMPLIFIER

TRANSIMPEDANCE AMPLIFIER, SEMICONDUCTOR DEVICE, AND OPTICAL MODULE

SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE

TRANSMITTER CIRCUIT

DATA JUDGMENT/PHASE COMPARISON CIRCUIT

OPTICAL COMMUNICATION DEVICE

OPTICAL COMMUNICATION MODULE AND OPTICAL COMMUNICATION DEVICE

OUTPUT DRIVER CIRCUIT

WAVEFORM EQUALIZATION CIRCUIT WITH PULSE WIDTH MODULATION

Low offset input circuit and transmission system with the input cir...

Pre-emphasis circuit

Signal recovery circuit

Clock recovery circuit

LOW-OFFSET INPUT CIRCUIT

Oscillation Circuit

Amplifier Circuit

Semiconductor Device Having Transmitter/Receiver Circuit Between Ci...

Logic circuit

Level conversion circuit

Semiconductor Integrated Circuit Device

Transmitter and receiver using forward clock overlaying link inform...

PULSE AMPLITUDE MODULATION CIRCUIT WITH PULSE WIDTH EQUALIZATION

Logic circuit

Magnetic recording device

Semiconductor device