Naruichi Yokogawa

Person

Kashihara-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical modulation-type detection device and electronic device
- Patent number 8,217,335
- Issue date Jul 10, 2012
- Sharp Kabushiki Kaisha
- Takuma Hiramatsu
- G01 - MEASURING TESTING
Information Patent Grant
Receiver and electronic device
- Patent number 8,050,572
- Issue date Nov 1, 2011
- Sharp Kabushiki Kaisha
- Isamu Kawabe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Receiving circuit and electronic apparatus for optical communication
- Patent number 7,460,792
- Issue date Dec 2, 2008
- Sharp Kabushiki Kaisha
- Naruichi Yokogawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Infrared radiation receiving circuit, electronic device, and infrar...
- Patent number 7,437,084
- Issue date Oct 14, 2008
- Sharp Kabushiki Kaisha
- Naruichi Yokogawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Infrared transmitter circuit and electronic device
- Patent number 7,359,649
- Issue date Apr 15, 2008
- Sharp Kabushiki Kaisha
- Hiroaki Itoh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Receiving circuit for free-space optical communication
- Patent number 7,157,684
- Issue date Jan 2, 2007
- Sharp Kabushiki Kaisha
- Hiroaki Itoh
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Photoelectric leak current compensating circuit and optical signal...
- Patent number 7,061,303
- Issue date Jun 13, 2006
- Sharp Kabushiki Kaisha
- Takahiro Inoue
- G05 - CONTROLLING REGULATING
Information Patent Grant
Carrier detection circuit and infrared ray remote control receiver
- Patent number 7,054,389
- Issue date May 30, 2006
- Sharp Kabushiki Kaisha
- Naruichi Yokogawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Current mirror circuit and optical signal circuit using same
- Patent number 6,812,546
- Issue date Nov 2, 2004
- Sharp Kabushiki Kaisha
- Takahiro Inoue
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Constant voltage circuit and infrared remote control receiver using...
- Patent number 6,762,596
- Issue date Jul 13, 2004
- Sharp Kabushiki Kaisha
- Naruichi Yokogawa
- G05 - CONTROLLING REGULATING
Information Patent Grant
Comparator circuit and infrared signal receiving apparatus
- Patent number 6,693,466
- Issue date Feb 17, 2004
- Sharp Kabushiki Kaisha
- Takahiro Inoue
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Charge and/or discharge circuit, and carrier detector circuit using...
- Patent number 6,677,732
- Issue date Jan 13, 2004
- Sharp Kabushiki Kaisha
- Takahiro Inoue
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Peak-hold circuit and an infrared communication device provided wit...
- Patent number 6,480,311
- Issue date Nov 12, 2002
- Sharp Kabushiki Kaisha
- Takanori Okuda
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Data communication receiving elements
- Patent number 6,147,533
- Issue date Nov 14, 2000
- Sharp Kabushiki Kaisha
- Takanori Okuda
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Light receiving amplifying device
- Patent number 6,137,101
- Issue date Oct 24, 2000
- Sharp Kabushiki Kaisha
- Naruichi Yokogawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Waveform-shaping circuit and a data-transmitting apparatus using su...
- Patent number 6,038,049
- Issue date Mar 14, 2000
- Sharp Kabushiki Kaisha
- Takayuki Shimizu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Light-receiving and amplyfying device capable of widening an AC ope...
- Patent number 5,321,254
- Issue date Jun 14, 1994
- Sharp Kabushiki Kaisha
- Naruichi Yokogawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical pickup device using a holographic optical element and an am...
- Patent number 5,272,329
- Issue date Dec 21, 1993
- Sharp Kabushiki Kaisha
- Toshiya Nagahama
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL MODULATION-TYPE DETECTION DEVICE AND ELECTRONIC DEVICE
- Publication number 20100067017
- Publication date Mar 18, 2010
- SHARP KABUSHIKI KAISHA
- Takuma HIRAMATSU
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
OPTICAL SPACE COMMUNICATION RECEPTION CIRCUIT, OPTICAL SPACE COMMUN...
- Publication number 20090067854
- Publication date Mar 12, 2009
- Naruichi YOKOGAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RECEIVER AND ELECTRONIC DEVICE
- Publication number 20080298816
- Publication date Dec 4, 2008
- SHARP KABUSHIKI KAISHA
- Isamu Kawabe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Receiving circuit and electronic apparatus for optical communication
- Publication number 20060008280
- Publication date Jan 12, 2006
- Sharp Kabushiki Kaisha
- Naruichi Yokogawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Infrared radiation receiving circuit, electronic device, and infrar...
- Publication number 20050087688
- Publication date Apr 28, 2005
- Sharp Kabushiki Kaisha
- Naruichi Yokogawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Infrared transmitter circuit and electronic device
- Publication number 20050089337
- Publication date Apr 28, 2005
- Sharp Kabushiki Kaisha
- Hiroaki Itoh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Receiving circuit for free-space optical communication
- Publication number 20050061954
- Publication date Mar 24, 2005
- Hiroaki Itoh
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Photoelectric leak current compensating circuit and optical signal...
- Publication number 20040124340
- Publication date Jul 1, 2004
- Takahiro Inoue
- G05 - CONTROLLING REGULATING
Information Patent Application
Current mirror circuit and optical signal circuit using same
- Publication number 20040007714
- Publication date Jan 15, 2004
- Takahiro Inoue
- G05 - CONTROLLING REGULATING
Information Patent Application
Comparator circuit and infrared signal receiving apparatus
- Publication number 20030112037
- Publication date Jun 19, 2003
- Takahiro Inoue
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Constant voltage circuit and infrared remote control receiver using...
- Publication number 20030062883
- Publication date Apr 3, 2003
- Naruichi Yokogawa
- G05 - CONTROLLING REGULATING
Information Patent Application
Carrier detection circuit and infrared ray remote control receiver
- Publication number 20020098818
- Publication date Jul 25, 2002
- Naruichi Yokogawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Naruichi Yokogawa

Person

Patents Grantslast 30 patents

Optical modulation-type detection device and electronic device

Receiver and electronic device

Receiving circuit and electronic apparatus for optical communication

Infrared radiation receiving circuit, electronic device, and infrar...

Infrared transmitter circuit and electronic device

Receiving circuit for free-space optical communication

Photoelectric leak current compensating circuit and optical signal...

Carrier detection circuit and infrared ray remote control receiver

Current mirror circuit and optical signal circuit using same

Constant voltage circuit and infrared remote control receiver using...

Comparator circuit and infrared signal receiving apparatus

Charge and/or discharge circuit, and carrier detector circuit using...

Peak-hold circuit and an infrared communication device provided wit...

Data communication receiving elements

Light receiving amplifying device

Waveform-shaping circuit and a data-transmitting apparatus using su...

Light-receiving and amplyfying device capable of widening an AC ope...

Optical pickup device using a holographic optical element and an am...

Patents Applicationslast 30 patents

OPTICAL MODULATION-TYPE DETECTION DEVICE AND ELECTRONIC DEVICE

OPTICAL SPACE COMMUNICATION RECEPTION CIRCUIT, OPTICAL SPACE COMMUN...

RECEIVER AND ELECTRONIC DEVICE

Receiving circuit and electronic apparatus for optical communication

Infrared radiation receiving circuit, electronic device, and infrar...

Infrared transmitter circuit and electronic device

Receiving circuit for free-space optical communication

Photoelectric leak current compensating circuit and optical signal...

Current mirror circuit and optical signal circuit using same

Comparator circuit and infrared signal receiving apparatus

Constant voltage circuit and infrared remote control receiver using...

Carrier detection circuit and infrared ray remote control receiver