Ichiro Hatakeyama

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical connector and optical coupling structure
- Patent number 8,315,491
- Issue date Nov 20, 2012
- NEC Corporation
- Tomoyuki Hino
- G02 - OPTICS
Information Patent Grant
Optical transceiver and optical connector
- Patent number 7,918,610
- Issue date Apr 5, 2011
- Fujikura Ltd.
- Kunihiko Fujiwara
- G02 - OPTICS
Information Patent Grant
Semiconductor device having optical signal input-output mechanism
- Patent number 7,783,143
- Issue date Aug 24, 2010
- NEC Corporation
- Kazunori Miyoshi
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Photoelectric composite module and optical input/output device
- Patent number 7,620,272
- Issue date Nov 17, 2009
- NEC Corporation
- Tomoyuki Hino
- G02 - OPTICS
Information Patent Grant
Semiconductor device having optical signal input-output mechanism
- Patent number 7,561,762
- Issue date Jul 14, 2009
- NEC Corporation
- Kazunori Miyoshi
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Optical transceiver and optical connector
- Patent number 7,534,052
- Issue date May 19, 2009
- Fujikura Ltd.
- Kunihiko Fujiwara
- G02 - OPTICS
Information Patent Grant
Optical unit featuring both photoelectric conversion chip and semic...
- Patent number 7,504,701
- Issue date Mar 17, 2009
- NEC Electronics Corporation
- Shigeru Moribayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical connector and optical module
- Patent number 7,488,122
- Issue date Feb 10, 2009
- NEC Corporation
- Youichi Hashimoto
- G02 - OPTICS
Information Patent Grant
Optical connector for coupling an optical fiber to a circuit board
- Patent number 7,473,038
- Issue date Jan 6, 2009
- Fujikura Ltd.
- Kunihiko Fujiwara
- G02 - OPTICS
Information Patent Grant
Structure and method for mounting LSI package onto photoelectric wi...
- Patent number 7,333,683
- Issue date Feb 19, 2008
- NEC Corproation
- Junichi Sasaki
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Offset control circuit, optical receiver using the same and optical...
- Patent number 6,819,722
- Issue date Nov 16, 2004
- NEC Corporation
- Ichiro Hatakeyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical receiver array
- Patent number 6,538,790
- Issue date Mar 25, 2003
- NEC Corporation
- Ichiro Hatakeyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Adaptive threshold controlled decision circuit immune to ringing co...
- Patent number 6,181,454
- Issue date Jan 30, 2001
- NEC Corporation
- Takeshi Nagahori
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical receiver capable of responding to both burst and continuous...
- Patent number 6,081,362
- Issue date Jun 27, 2000
- NEC Corporation
- Ichiro Hatakeyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical receiving circuit
- Patent number 6,018,407
- Issue date Jan 25, 2000
- NEC Corporation
- Ichiro Hatakeyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Offset cancelling amplifier circuit having Miller integrator as off...
- Patent number 5,798,664
- Issue date Aug 25, 1998
- NEC Corporation
- Takeshi Nagahori
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Integrated circuit preamplifier for an optical receiver
- Patent number 5,793,256
- Issue date Aug 11, 1998
- NEC Corporation
- Takeshi Nagahori
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Transimpedance amplifier circuit with feedback and load resistor va...
- Patent number 5,525,929
- Issue date Jun 11, 1996
- NEC Corporation
- Takeshi Nagahori
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
CONNECTION STRUCTURE AND INFORMATION PROCESSING APPARATUS
- Publication number 20100321902
- Publication date Dec 23, 2010
- Ichiro Hatakeyama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
OPTICAL CONNECTOR AND OPTICAL COUPLING STRUCTURE
- Publication number 20100232746
- Publication date Sep 16, 2010
- Tomoyuki Hino
- G02 - OPTICS
Information Patent Application
OPTICAL TRANSCEIVER AND OPTICAL CONNECTOR
- Publication number 20090196556
- Publication date Aug 6, 2009
- NEC Corporation
- Kunihiko FUJIWARA
- G02 - OPTICS
Information Patent Application
SEMICONDUCTOR DEVICE HAVING OPTICAL SIGNAL INPUT-OUTPUT MECHANISM
- Publication number 20090196548
- Publication date Aug 6, 2009
- NEC Corporation
- Kasunori MIYOSHI
- G02 - OPTICS
Information Patent Application
Semiconductor Device Having Optical Signal Input-Output Mechanism
- Publication number 20080036021
- Publication date Feb 14, 2008
- NEC Corporation
- Kazunori Miyoshi
- G02 - OPTICS
Information Patent Application
OPTICAL CONNECTOR AND OPTICAL MODULE
- Publication number 20070292081
- Publication date Dec 20, 2007
- NEC Corporation
- Youichi Hashimoto
- G02 - OPTICS
Information Patent Application
Photoelectric composite module and optical input/output device
- Publication number 20070280594
- Publication date Dec 6, 2007
- NEC Corporation
- Tomoyuki Hino
- G02 - OPTICS
Information Patent Application
Optical unit featuring both photoelectric conversion chip and semic...
- Publication number 20070210400
- Publication date Sep 13, 2007
- NEC Electronics Corporation
- Shigeru Moribayashi
- G02 - OPTICS
Information Patent Application
Optical connector
- Publication number 20060280410
- Publication date Dec 14, 2006
- FUJIKURA LTD.
- Kunihiko Fujiwara
- G02 - OPTICS
Information Patent Application
Structure and method for mounting LSI package onto photoelectric wi...
- Publication number 20060078248
- Publication date Apr 13, 2006
- NEC Corporation
- Junichi Sasaki
- G02 - OPTICS
Information Patent Application
Offset control circuit, optical receiver using the same and optical...
- Publication number 20010004388
- Publication date Jun 21, 2001
- NEC Corporation
- Ichiro Hatakeyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Ichiro Hatakeyama

Person

Patents Grantslast 30 patents

Optical connector and optical coupling structure

Optical transceiver and optical connector

Semiconductor device having optical signal input-output mechanism

Photoelectric composite module and optical input/output device

Semiconductor device having optical signal input-output mechanism

Optical transceiver and optical connector

Optical unit featuring both photoelectric conversion chip and semic...

Optical connector and optical module

Optical connector for coupling an optical fiber to a circuit board

Structure and method for mounting LSI package onto photoelectric wi...

Offset control circuit, optical receiver using the same and optical...

Optical receiver array

Adaptive threshold controlled decision circuit immune to ringing co...

Optical receiver capable of responding to both burst and continuous...

Optical receiving circuit

Offset cancelling amplifier circuit having Miller integrator as off...

Integrated circuit preamplifier for an optical receiver

Transimpedance amplifier circuit with feedback and load resistor va...

Patents Applicationslast 30 patents

CONNECTION STRUCTURE AND INFORMATION PROCESSING APPARATUS

OPTICAL CONNECTOR AND OPTICAL COUPLING STRUCTURE

OPTICAL TRANSCEIVER AND OPTICAL CONNECTOR

SEMICONDUCTOR DEVICE HAVING OPTICAL SIGNAL INPUT-OUTPUT MECHANISM

Semiconductor Device Having Optical Signal Input-Output Mechanism

OPTICAL CONNECTOR AND OPTICAL MODULE

Photoelectric composite module and optical input/output device

Optical unit featuring both photoelectric conversion chip and semic...

Optical connector

Structure and method for mounting LSI package onto photoelectric wi...

Offset control circuit, optical receiver using the same and optical...