Hiroyuki Furukawa

Person

Sapporo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical receiving apparatus, optical transmitter and receiver modul...
- Patent number 9,461,754
- Issue date Oct 4, 2016
- Fujitsu Optical Components Limited
- Hirohiko Sonoda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical device and method of manufacturing the same
- Patent number 9,188,761
- Issue date Nov 17, 2015
- Fujitsu Optical Components Limited
- Ryuichi Yoshida
- G02 - OPTICS
Information Patent Grant
Optical switch
- Patent number 8,331,744
- Issue date Dec 11, 2012
- Fujitsu Limited
- Hiroyuki Furukawa
- G02 - OPTICS
Information Patent Grant
Chromatic dispersion compensator
- Patent number 7,646,982
- Issue date Jan 12, 2010
- Fujitsu Limited
- Yasuhiro Yamauchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical switch and method of adjusting optical switch
- Patent number 7,613,370
- Issue date Nov 3, 2009
- Fujitsu Limited
- Kohei Shibata
- G02 - OPTICS
Information Patent Grant
Wavelength selection device
- Patent number 7,340,128
- Issue date Mar 4, 2008
- Fujitsu Limited
- Kohei Shibata
- G01 - MEASURING TESTING
Information Patent Grant
Wavelength selective optical switch, and optical device provided wi...
- Patent number 7,330,617
- Issue date Feb 12, 2008
- Fujitsu Limited
- Hirofumi Aota
- G02 - OPTICS
Information Patent Grant
Optical fiber connecting portion structure and light monitor apparatus
- Patent number 7,296,940
- Issue date Nov 20, 2007
- Fujitsu Limited
- Norifumi Shukunami
- G02 - OPTICS
Information Patent Grant
Optical receiver and optical transmission apparatus
- Patent number 6,970,613
- Issue date Nov 29, 2005
- Fujitsu Limited
- Hiroyuki Furukawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical amplifier
- Patent number 6,912,085
- Issue date Jun 28, 2005
- Fujitsu Limited
- Katsuhiko Hakomori
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical semiconductor assembly having a conductive float pad
- Patent number 5,814,871
- Issue date Sep 29, 1998
- Fujitsu Ltd.
- Hiroyuki Furukawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical communications module
- Patent number 5,677,779
- Issue date Oct 14, 1997
- Fujitsu Limited
- Gan Oda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Data decision circuit used in optical parallel receiving module, op...
- Patent number 5,652,767
- Issue date Jul 29, 1997
- Fujitsu Limited
- Tetsuya Kiyonaga
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical module for two-way transmission
- Patent number 5,546,212
- Issue date Aug 13, 1996
- Fujitsu Limited
- Tatsuro Kunikane
- G02 - OPTICS
Information Patent Grant
Optical multiplexer and demultiplexer module including multiplexing...
- Patent number 5,479,547
- Issue date Dec 26, 1995
- Fujitsu Limited
- Tatsuro Kunikane
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL RECEIVING APPARATUS, OPTICAL TRANSMITTER AND RECEIVER MODUL...
- Publication number 20150117865
- Publication date Apr 30, 2015
- FUJITSU OPTICAL COMPONENTS LIMITED
- Hirohiko SONODA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL DEVICE AND METHOD OF MANUFACTURING THE SAME
- Publication number 20110204215
- Publication date Aug 25, 2011
- FUJITSU OPTICAL COMPONENTS LIMITED
- Ryuichi YOSHIDA
- G02 - OPTICS
Information Patent Application
OPTICAL SWITCH
- Publication number 20100284648
- Publication date Nov 11, 2010
- FUJITSU LIMITED
- Hiroyuki FURUKAWA
- G02 - OPTICS
Information Patent Application
Optical device, optical communication apparatus, and method of cont...
- Publication number 20090190882
- Publication date Jul 30, 2009
- FUJITSU LIMITED
- Hiroyuki Furukawa
- G02 - OPTICS
Information Patent Application
SEMICONDUCTOR DEVICE AND METHOD OF BLOWING FUSE THEREOF
- Publication number 20080290455
- Publication date Nov 27, 2008
- NEC Electronics Corporation
- Hiroyuki Furukawa
- G11 - INFORMATION STORAGE
Information Patent Application
Optical switch and method of adjusting optical switch
- Publication number 20080240650
- Publication date Oct 2, 2008
- Fujitsu Limited
- Kohei Shibata
- G02 - OPTICS
Information Patent Application
Wavelength selection device
- Publication number 20070153352
- Publication date Jul 5, 2007
- FUJITSU LIMITED
- Kohei Shibata
- G02 - OPTICS
Information Patent Application
Wavelength selective optical switch, and optical device provided wi...
- Publication number 20070077003
- Publication date Apr 5, 2007
- FUJITSU LIMITED
- Hirofumi Aota
- G02 - OPTICS
Information Patent Application
Optical fiber connecting portion structure and light monitor apparatus
- Publication number 20070036499
- Publication date Feb 15, 2007
- FUJITSU LIMITED
- Norifumi Shukunami
- G02 - OPTICS
Information Patent Application
Chromatic dispersion compensator
- Publication number 20060198024
- Publication date Sep 7, 2006
- FUJITSU LIMITED
- Yasuhiro Yamauchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical receiver and optical transmission apparatus
- Publication number 20050157976
- Publication date Jul 21, 2005
- FUJITSU LIMITED
- Hiroyuki Furukawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical amplifier
- Publication number 20040012842
- Publication date Jan 22, 2004
- FUJITSU LIMITED
- Katsuhiko Hakomori
- H01 - BASIC ELECTRIC ELEMENTS

Hiroyuki Furukawa

Person

Patents Grantslast 30 patents

Optical receiving apparatus, optical transmitter and receiver modul...

Optical device and method of manufacturing the same

Optical switch

Chromatic dispersion compensator

Optical switch and method of adjusting optical switch

Wavelength selection device

Wavelength selective optical switch, and optical device provided wi...

Optical fiber connecting portion structure and light monitor apparatus

Optical receiver and optical transmission apparatus

Optical amplifier

Optical semiconductor assembly having a conductive float pad

Optical communications module

Data decision circuit used in optical parallel receiving module, op...

Optical module for two-way transmission

Optical multiplexer and demultiplexer module including multiplexing...

Patents Applicationslast 30 patents

OPTICAL RECEIVING APPARATUS, OPTICAL TRANSMITTER AND RECEIVER MODUL...

OPTICAL DEVICE AND METHOD OF MANUFACTURING THE SAME

OPTICAL SWITCH

Optical device, optical communication apparatus, and method of cont...

SEMICONDUCTOR DEVICE AND METHOD OF BLOWING FUSE THEREOF

Optical switch and method of adjusting optical switch

Wavelength selection device

Wavelength selective optical switch, and optical device provided wi...

Optical fiber connecting portion structure and light monitor apparatus

Chromatic dispersion compensator

Optical receiver and optical transmission apparatus

Optical amplifier