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Kazuhiko Kurata
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Photodetector having one-dimensional grating structure
Patent number
10,535,786
Issue date
Jan 14, 2020
PHOTONICS ELECTRONICS TECHNOLOGY RESEARCH ASSOCIATION
Kenichiro Yashiki
G02 - OPTICS
Information
Patent Grant
Semiconductor integrated circuit and method for manufacturing the same
Patent number
9,772,461
Issue date
Sep 26, 2017
PHOTONICS ELECTRONICS TECHNOLOGY RESEARCH ASSOCIATION
Yasuyuki Suzuki
G02 - OPTICS
Information
Patent Grant
Optical transmitter or transmission unit in optical transmitter/rec...
Patent number
9,577,407
Issue date
Feb 21, 2017
PHOTONICS ELECTRONICS TECHNOLOGY RESEARCH ASSOCIATION
Kenichiro Yashiki
G02 - OPTICS
Information
Patent Grant
Photoelectric hybrid device and method for manufacturing same
Patent number
9,541,718
Issue date
Jan 10, 2017
PHOTONICS ELECTRONICS TECHNOLOGY RESEARCH ASSOCIATION
Ichiro Ogura
G02 - OPTICS
Information
Patent Grant
Connector holder, optical-electrical converter with attached connec...
Patent number
8,317,411
Issue date
Nov 27, 2012
Fujikura Ltd.
Kunihiko Fujiwara
G02 - OPTICS
Information
Patent Grant
Optical backplane connector, photoelectric conversion module and op...
Patent number
8,172,467
Issue date
May 8, 2012
NEC Corporation
Junichi Sasaki
G02 - OPTICS
Information
Patent Grant
Connector holder, optical-electrical converter with attached connec...
Patent number
8,083,418
Issue date
Dec 27, 2011
Fujikura Ltd.
Kunihiko Fujiwara
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
Optoelectronic hybrid integrated module and light input/output appa...
Patent number
7,693,360
Issue date
Apr 6, 2010
NEC Corporation
Takanori Shimizu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Optical connection structure of optical backplane to circuit substrate
Patent number
7,645,075
Issue date
Jan 12, 2010
NEC Corporation
Junichi Sasaki
G02 - OPTICS
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
Connector holder, optical-electrical converter with attached connec...
Patent number
7,559,702
Issue date
Jul 14, 2009
Fujikura Ltd.
Kunihiko Fujiwara
G02 - OPTICS
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 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
Optoelectronic hybrid integrated module
Patent number
7,373,034
Issue date
May 13, 2008
NEC Corporation
Takanori Shimizu
G02 - OPTICS
Information
Patent Grant
Substrate, optical fiber connection end member, optical element hou...
Patent number
7,204,646
Issue date
Apr 17, 2007
NEC Corporation
Junichi Sasaki
G02 - OPTICS
Information
Patent Grant
Optical transceiver
Patent number
7,167,653
Issue date
Jan 23, 2007
NEC Corporation
Kazuhiko Kurata
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Substrate, optical fiber connection end member, optical element hou...
Patent number
6,994,479
Issue date
Feb 7, 2006
NEC Corporation
Junichi Sasaki
G02 - OPTICS
Information
Patent Grant
Substrate, optical fiber connection end member, optical element hou...
Patent number
6,964,527
Issue date
Nov 15, 2005
NEC Corporation
Junichi Sasaki
G02 - OPTICS
Information
Patent Grant
Optical module capable of improving coupling efficiency and suppres...
Patent number
6,901,185
Issue date
May 31, 2005
NEC Corporation
Junichi Sasaki
G02 - OPTICS
Information
Patent Grant
Semiconductor device
Patent number
6,696,755
Issue date
Feb 24, 2004
NEC Corporation
Nobuharu Kami
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Optical transmitter-receiver module suitable for reducing crosstalk
Patent number
6,663,295
Issue date
Dec 16, 2003
NEC Corporation
Nobuharu Kami
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Optical semiconductor device
Patent number
5,917,200
Issue date
Jun 29, 1999
NEC Corporation
Kazuhiko Kurata
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of manufacturing an optical semiconductor device
Patent number
5,854,087
Issue date
Dec 29, 1998
NEC Corporation
Kazuhiko Kurata
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Waveguide type wavelength multiplexing/demultiplexing module
Patent number
5,799,120
Issue date
Aug 25, 1998
NEC Corporation
Kazuhiko Kurata
G02 - OPTICS
Information
Patent Grant
Coupling structure between a semiconductor laser and an optical fib...
Patent number
5,668,902
Issue date
Sep 16, 1997
NEC Corporation
Kazuhiko Kurata
G02 - OPTICS
Information
Patent Grant
Bidirectional optical semiconductor apparatus
Patent number
5,633,962
Issue date
May 27, 1997
NEC Corporation
Kazuhiko Kurata
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
OPTICAL MODULE
Publication number
20220155537
Publication date
May 19, 2022
AIO CORE CO., LTD.
Shigeru Kobayashi
G02 - OPTICS
Information
Patent Application
LIGHT RECEIVING ELEMENT
Publication number
20170345952
Publication date
Nov 30, 2017
Photonics Electronics Technology Research Association
Kenichiro Yashiki
G02 - OPTICS
Information
Patent Application
SEMICONDUCTOR INTEGRATED CIRCUIT AND METHOD FOR MANUFACTURING THE SAME
Publication number
20160266333
Publication date
Sep 15, 2016
Photonics Electronics Technology Research Associat ion
Yasuyuki Suzuki
G02 - OPTICS
Information
Patent Application
OPTICAL TRANSMITTER OR TRANSMISSION UNIT IN OPTICAL TRANSMITTER/REC...
Publication number
20160164251
Publication date
Jun 9, 2016
Photonics Electronics Technology Research Association
Kenichiro Yashiki
G02 - OPTICS
Information
Patent Application
PHOTOELECTRIC HYBRID DEVICE AND METHOD FOR MANUFACTURING SAME
Publication number
20160062063
Publication date
Mar 3, 2016
Photonics Electronics Technology Research Association
Ichiro Ogura
G02 - OPTICS
Information
Patent Application
CONNECTOR HOLDER, OPTICAL-ELECTRICAL CONVERTER WITH ATTACHED CONNEC...
Publication number
20120063729
Publication date
Mar 15, 2012
NEC Corporation
Kunihiko FUJIWARA
G02 - OPTICS
Information
Patent Application
Optical backplane connector, photoelectric conversion module and op...
Publication number
20090310914
Publication date
Dec 17, 2009
NEC Corporation
Junichi Sasaki
G02 - OPTICS
Information
Patent Application
CONNECTOR HOLDER, OPTICAL-ELECTRICAL CONVERTER WITH ATTACHED CONNEC...
Publication number
20090245737
Publication date
Oct 1, 2009
FUJIKURA LTD.
Kunihiko FUJIWARA
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
COMMUNICATION APPARATUS FOR COMMUNICATION BETWEEN HOUSING SLOTS, WI...
Publication number
20090148116
Publication date
Jun 11, 2009
NEC Corporation
Shigeyuki Yanagimachi
G02 - OPTICS
Information
Patent Application
OPTICAL COMMUNICATION MODULE AND OPTICAL SIGNAL TRANSMISSION METHOD
Publication number
20090052909
Publication date
Feb 26, 2009
NEC Corporation
Tomoyuki Hino
G02 - OPTICS
Information
Patent Application
CONNECTOR HOLDER, OPTICAL - ELECTRICAL CONVERTER WITH ATTACHED CONN...
Publication number
20080175544
Publication date
Jul 24, 2008
FUJIKURA LTD.
Kunihiko FUJIWARA
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
Optoelectronic Hybrid Integrated Module
Publication number
20070263957
Publication date
Nov 15, 2007
NEC Corporation
Takanori Shimizu
G02 - OPTICS
Information
Patent Application
Optical connection structure of optical backplane to circuit substrate
Publication number
20070086723
Publication date
Apr 19, 2007
NEC Corporation
Junichi Sasaki
G02 - OPTICS
Information
Patent Application
Optical connector
Publication number
20060280410
Publication date
Dec 14, 2006
FUJIKURA LTD.
Kunihiko Fujiwara
G02 - OPTICS
Information
Patent Application
Substrate, optical fiber connection end member, optical element hou...
Publication number
20060110107
Publication date
May 25, 2006
NEC Corporation
Junichi Sasaki
G02 - OPTICS
Information
Patent Application
Substrate, optical fiber connection end member, optical element hou...
Publication number
20050238287
Publication date
Oct 27, 2005
NEC Corporation
Junichi Sasaki
G02 - OPTICS
Information
Patent Application
Optoelectronic hybrid integrated module and light input/output appa...
Publication number
20050180679
Publication date
Aug 18, 2005
Takanori Shimizu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor device
Publication number
20030173663
Publication date
Sep 18, 2003
NEC Corporation
Nobuharu Kami
G02 - OPTICS
Information
Patent Application
Optical module capable of improving coupling efficiency and suppres...
Publication number
20030138223
Publication date
Jul 24, 2003
NEC Corporation
Junichi Sasaki
G02 - OPTICS
Information
Patent Application
Optical transmitter-receiver module suitable for reducing crosstalk
Publication number
20030091303
Publication date
May 15, 2003
NEC Corporation
Nobuharu Kami
G02 - OPTICS
Information
Patent Application
Optical transceiver
Publication number
20020085254
Publication date
Jul 4, 2002
NEC Corporation
Kazuhiko Kurata
G02 - OPTICS
Information
Patent Application
Substrate, optical fiber connection end member, optical element hou...
Publication number
20010041034
Publication date
Nov 15, 2001
Junichi Sasaki
G02 - OPTICS