Kazutaka Nara

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Medical device, extracorporeal unit, power transmission sheet, and...
- Patent number 11,554,257
- Issue date Jan 17, 2023
- Furukawa Electric Co., Ltd.
- Katsuki Suematsu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical waveguide element
- Patent number 11,125,942
- Issue date Sep 21, 2021
- Furukawa Electric Co., Ltd.
- Yasuyoshi Uchida
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Optical waveguide circuit having identical polarization-cancelling...
- Patent number 10,386,576
- Issue date Aug 20, 2019
- Furukawa Electric Co., Ltd.
- Kazutaka Nara
- G02 - OPTICS
Information Patent Grant
Optical waveguide element
- Patent number 10,371,890
- Issue date Aug 6, 2019
- Furukawa Electric Co., Ltd.
- Yasuyoshi Uchida
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Switch device
- Patent number 9,638,865
- Issue date May 2, 2017
- Furukawa Electric Co., Ltd.
- Junichi Hasegawa
- G02 - OPTICS
Information Patent Grant
Switch apparatus
- Patent number 9,488,783
- Issue date Nov 8, 2016
- Furukawa Electric Co., Ltd.
- Junichi Hasegawa
- G02 - OPTICS
Information Patent Grant
Spot-size conversion optical waveguide
- Patent number 9,417,388
- Issue date Aug 16, 2016
- Furukawa Electric Co., Ltd.
- Shintaro Yamasaki
- G02 - OPTICS
Information Patent Grant
Optical waveguide element and method of producing the same
- Patent number 9,354,395
- Issue date May 31, 2016
- Furukawa Electric Co., Ltd.
- Yasuyoshi Uchida
- G02 - OPTICS
Information Patent Grant
Optical amplifier device
- Patent number 9,054,486
- Issue date Jun 9, 2015
- Furukawa Electric Co., Ltd.
- Hideaki Hasegawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
SOA-PLC hybrid integrated polarization diversity circuit and method...
- Patent number 8,837,869
- Issue date Sep 16, 2014
- Furukawa Electric Co., Ltd.
- Takeshi Akutsu
- G02 - OPTICS
Information Patent Grant
Optical branching element and optical branching circuit
- Patent number 8,718,423
- Issue date May 6, 2014
- Furukawa Electric Co., Ltd.
- Kazutaka Nara
- G02 - OPTICS
Information Patent Grant
SSC chip, fiber array attached with SSC, PLC module attached with S...
- Patent number 8,538,213
- Issue date Sep 17, 2013
- Furukawa Electric Co., Ltd.
- Yasuyoshi Uchida
- G02 - OPTICS
Information Patent Grant
PLC-type demodulator and optical transmission system
- Patent number 8,526,102
- Issue date Sep 3, 2013
- Furukawa Electronic Co., Ltd.
- Takashi Inoue
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Hybrid integrated optical module
- Patent number 8,503,843
- Issue date Aug 6, 2013
- Furukawa Electric Co., Ltd.
- Takeshi Akutsu
- G02 - OPTICS
Information Patent Grant
PLC-type delay demodulation circuit and PLC-type optical interferom...
- Patent number 8,477,409
- Issue date Jul 2, 2013
- Furakawa Electric Co., Ltd.
- Hiroshi Kawashima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Arrayed-waveguide-grating-type optical multiplexer/demultiplexer
- Patent number 8,457,459
- Issue date Jun 4, 2013
- Furukawa Electric Co., Ltd.
- Junichi Hasegawa
- G02 - OPTICS
Information Patent Grant
PLC-type delay demodulation circuit
- Patent number 8,441,717
- Issue date May 14, 2013
- Furukawa Electric Co., Ltd.
- Hiroshi Kawashima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
PLC-type delay demodulation circuit
- Patent number 8,422,118
- Issue date Apr 16, 2013
- Furukawa Electric Co., Ltd.
- Hiroshi Kawashima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
90-degree hybrid
- Patent number 8,401,351
- Issue date Mar 19, 2013
- Furukawa Electric Co., Ltd.
- Takashi Inoue
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Waveguide-type optical circuit
- Patent number 8,380,023
- Issue date Feb 19, 2013
- Furukawa Electric Co., Ltd.
- Noritaka Matsubara
- G02 - OPTICS
Information Patent Grant
Tunable dispersion compensator
- Patent number 8,068,736
- Issue date Nov 29, 2011
- The Furukawa Electric Co., Ltd.
- Hiroshi Kawashima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Athermal AWG module
- Patent number 8,036,505
- Issue date Oct 11, 2011
- Furukawa Electric Co., Ltd.
- Junichi Hasegawa
- G02 - OPTICS
Information Patent Grant
Broadband wavelength multiplexing and demultiplexing filter and opt...
- Patent number 8,023,781
- Issue date Sep 20, 2011
- The Furukawa Electric Co., Ltd.
- Kazutaka Nara
- G02 - OPTICS
Information Patent Grant
Delay demodulation devices
- Patent number 7,978,401
- Issue date Jul 12, 2011
- The Furukawa Electric Co., Ltd.
- Junichi Hasegawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Delay demodulation devices
- Patent number 7,961,991
- Issue date Jun 14, 2011
- The Furukawa Electric Co., Ltd.
- Junichi Hasegawa
- G02 - OPTICS
Information Patent Grant
Broadband wavelength multiplexing and demultiplexing filter and opt...
- Patent number 7,885,493
- Issue date Feb 8, 2011
- The Furukawa Electric Co., Ltd.
- Kazutaka Nara
- G02 - OPTICS
Information Patent Grant
Delay-line demodulator
- Patent number 7,884,996
- Issue date Feb 8, 2011
- Furukawa Electric Co., Ltd.
- Junichi Hasegawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Methods to control phase shifts of delay demodulation devices
- Patent number 7,813,032
- Issue date Oct 12, 2010
- The Furukawa Electric Co., Ltd.
- Junichi Hasegawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Delay-line demodulator
- Patent number 7,649,678
- Issue date Jan 19, 2010
- Furukawa Electric Co., Ltd.
- Junichi Hasegawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical integrated circuit and optical integrated circuit module
- Patent number 7,561,765
- Issue date Jul 14, 2009
- The Furukawa Electric Co., Ltd.
- Masaki Funabashi
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
MEDICAL DEVICE, MEDICAL INSTRUMENT COMPONENT AND MEDICAL INSTRUMENT
- Publication number 20230263953
- Publication date Aug 24, 2023
- FURUKAWA ELECTRIC CO., LTD.
- Katsuki SUEMATSU
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
POWER SUPPLY DEVICE AND MEDICAL DEVICE
- Publication number 20230264007
- Publication date Aug 24, 2023
- FURUKAWA ELECTRIC CO., LTD.
- Katsuki SUEMATSU
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
MEDICAL DEVICE, SIGNAL PROCESSING DEVICE, SIGNAL PROCESSING METHOD,...
- Publication number 20230043014
- Publication date Feb 9, 2023
- FURUKAWA ELECTRIC CO., LTD.
- Atsushi HIMURA
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
MEDICAL INSTRUMENT AND MEDICAL DEVICE
- Publication number 20230044747
- Publication date Feb 9, 2023
- FURUKAWA ELECTRIC CO., LTD.
- Atsushi HIMURA
- B08 - CLEANING
Information Patent Application
HOLLOW NEEDLE
- Publication number 20230023384
- Publication date Jan 26, 2023
- FURUKAWA ELECTRIC CO., LTD.
- Atsushi HIMURA
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
MEDICAL DEVICE, EXTRACORPOREAL UNIT, POWER TRANSMISSION SHEET, AND...
- Publication number 20220305247
- Publication date Sep 29, 2022
- FURUKAWA ELECTRIC CO., LTD.
- Katsuki SUEMATSU
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
PULSE APPLICATION METHOD AND PULSE APPLICATION DEVICE
- Publication number 20220249865
- Publication date Aug 11, 2022
- FURUKAWA ELECTRIC CO., LTD.
- Emiyu OGAWA
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
SUPPORT INFORMATION GENERATING DEVICE, SUPPORT INFORMATION GENERATI...
- Publication number 20220084309
- Publication date Mar 17, 2022
- FURUKAWA ELECTRIC CO., LTD.
- Kazutaka NARA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
MEDICAL DEVICE, EXTERNAL UNIT, POWER TRANSMISSION SHEET, MEDICAL TO...
- Publication number 20220040404
- Publication date Feb 10, 2022
- FURUKAWA ELECTRIC CO., LTD.
- Katsuki SUEMATSU
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
OPTICAL WAVEGUIDE ELEMENT
- Publication number 20190317279
- Publication date Oct 17, 2019
- FURUKAWA ELECTRIC CO., LTD.
- Yasuyoshi UCHIDA
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
OPTICAL WAVEGUIDE ELEMENT
- Publication number 20160246001
- Publication date Aug 25, 2016
- FURUKAWA ELECTRIC CO., LTD.
- Yasuyoshi UCHIDA
- G02 - OPTICS
Information Patent Application
SWITCH DEVICE
- Publication number 20160216451
- Publication date Jul 28, 2016
- FURUKAWA ELECTRIC CO., LTD.
- Junichi HASEGAWA
- G02 - OPTICS
Information Patent Application
SPOT-SIZE CONVERSION OPTICAL WAVEGUIDE
- Publication number 20160085026
- Publication date Mar 24, 2016
- FURUKAWA ELECTRIC CO., LTD.
- Shintaro Yamasaki
- G02 - OPTICS
Information Patent Application
SWITCH APPARATUS
- Publication number 20160025930
- Publication date Jan 28, 2016
- FURUKAWA ELECTRIC CO., LTD.
- Junichi HASEGAWA
- G02 - OPTICS
Information Patent Application
SWITCH DEVICE
- Publication number 20150172794
- Publication date Jun 18, 2015
- FURUKAWA ELECTRIC CO., LTD.
- Junichi HASEGAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL WAVEGUIDE ELEMENT AND METHOD OF PRODUCING THE SAME
- Publication number 20140241683
- Publication date Aug 28, 2014
- FURUKAWA ELECTRIC CO., LTD.
- Yasuyoshi UCHIDA
- G02 - OPTICS
Information Patent Application
OPTICAL AMPLIFIER DEVICE
- Publication number 20140078580
- Publication date Mar 20, 2014
- FURUKAWA ELECTRIC CO., LTD.
- Hideaki HASEGAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
WIDE-BAND OPTICAL COUPLER
- Publication number 20130330041
- Publication date Dec 12, 2013
- FURUKAWA ELECTRIC CO., LTD.
- Kazutaka NARA
- G02 - OPTICS
Information Patent Application
OPTICAL BRANCHING ELEMENT AND OPTICAL BRANCHING CIRCUIT
- Publication number 20130330042
- Publication date Dec 12, 2013
- FURUKAWA ELECTRIC CO., LTD.
- Kazutaka Nara
- G02 - OPTICS
Information Patent Application
OPTICAL WAVEGUIDE CIRCUIT
- Publication number 20130236136
- Publication date Sep 12, 2013
- FURUKAWA ELECTRIC CO., LTD.
- Kazutaka Nara
- G02 - OPTICS
Information Patent Application
DEMODULATING DELAY CIRCUIT AND OPTICAL RECEIVER
- Publication number 20130209111
- Publication date Aug 15, 2013
- FURUKAWA ELECTRIC CO., LTD.
- Hiroshi KAWASHIMA
- G02 - OPTICS
Information Patent Application
PLC-TYPE DELAY DEMODULATION CIRCUIT
- Publication number 20130208348
- Publication date Aug 15, 2013
- FURUKAWA ELECTRIC CO., LTD.
- Hiroshi KAWASHIMA
- G02 - OPTICS
Information Patent Application
ARRAYED WAVEGUIDE GRATING MULTIPLEXER-DEMULTIPLEXER
- Publication number 20130142483
- Publication date Jun 6, 2013
- FURUKAWA ELECTRIC CO., LTD.
- Junichi HASEGAWA
- G02 - OPTICS
Information Patent Application
POLARIZATION SEPARATION ELEMENT AND OPTICAL INTEGRATED ELEMENT
- Publication number 20130129273
- Publication date May 23, 2013
- FURUKAWA ELECTRIC CO., LTD.
- Kazutaka Nara
- G02 - OPTICS
Information Patent Application
SOA-PLC HYBRID INTEGRATED POLARIZATION DIVERSITY CIRCUIT AND METHOD...
- Publication number 20130121632
- Publication date May 16, 2013
- FURUKAWA ELECTRIC CO., LTD.
- Takeshi AKUTSU
- G02 - OPTICS
Information Patent Application
ARRAYED WAVEGUIDE GRATING
- Publication number 20130114929
- Publication date May 9, 2013
- Kazutaka NARA
- G02 - OPTICS
Information Patent Application
PLC-TYPE DELAY DEMODULATION CIRCUIT AND PLC-TYPE OPTICAL INTERFEROM...
- Publication number 20130010350
- Publication date Jan 10, 2013
- FUJITSU OPTICAL COMPONENTS LIMITED
- Hiroshi KAWASHIMA
- G02 - OPTICS
Information Patent Application
OPTICAL WAVEGUIDE CIRCUIT
- Publication number 20120251046
- Publication date Oct 4, 2012
- FURUKAWA ELECTRIC CO., LTD.
- Hiroshi Kawashima
- G02 - OPTICS
Information Patent Application
MACH-ZEHNDER INTERFEROMETER-ARRAYED WAVEGUIDE GRATING AND PLANAR LI...
- Publication number 20120251047
- Publication date Oct 4, 2012
- FURUKAWA ELECTRIC CO., LTD.
- Kazutaka NARA
- G02 - OPTICS
Information Patent Application
90-DEGREE HYBRID
- Publication number 20120224812
- Publication date Sep 6, 2012
- FURUKAWA ELECTRIC CO., LTD.
- Takashi INOUE
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Kazutaka Nara

Person

Patents Grantslast 30 patents

Medical device, extracorporeal unit, power transmission sheet, and...

Optical waveguide element

Optical waveguide circuit having identical polarization-cancelling...

Optical waveguide element

Switch device

Switch apparatus

Spot-size conversion optical waveguide

Optical waveguide element and method of producing the same

Optical amplifier device

SOA-PLC hybrid integrated polarization diversity circuit and method...

Optical branching element and optical branching circuit

SSC chip, fiber array attached with SSC, PLC module attached with S...

PLC-type demodulator and optical transmission system

Hybrid integrated optical module

PLC-type delay demodulation circuit and PLC-type optical interferom...

Arrayed-waveguide-grating-type optical multiplexer/demultiplexer

PLC-type delay demodulation circuit

PLC-type delay demodulation circuit

90-degree hybrid

Waveguide-type optical circuit

Tunable dispersion compensator

Athermal AWG module

Broadband wavelength multiplexing and demultiplexing filter and opt...

Delay demodulation devices

Delay demodulation devices

Broadband wavelength multiplexing and demultiplexing filter and opt...

Delay-line demodulator

Methods to control phase shifts of delay demodulation devices

Delay-line demodulator

Optical integrated circuit and optical integrated circuit module

Patents Applicationslast 30 patents

MEDICAL DEVICE, MEDICAL INSTRUMENT COMPONENT AND MEDICAL INSTRUMENT

POWER SUPPLY DEVICE AND MEDICAL DEVICE

MEDICAL DEVICE, SIGNAL PROCESSING DEVICE, SIGNAL PROCESSING METHOD,...

MEDICAL INSTRUMENT AND MEDICAL DEVICE

HOLLOW NEEDLE

MEDICAL DEVICE, EXTRACORPOREAL UNIT, POWER TRANSMISSION SHEET, AND...

PULSE APPLICATION METHOD AND PULSE APPLICATION DEVICE

SUPPORT INFORMATION GENERATING DEVICE, SUPPORT INFORMATION GENERATI...

MEDICAL DEVICE, EXTERNAL UNIT, POWER TRANSMISSION SHEET, MEDICAL TO...

OPTICAL WAVEGUIDE ELEMENT

OPTICAL WAVEGUIDE ELEMENT

SWITCH DEVICE

SPOT-SIZE CONVERSION OPTICAL WAVEGUIDE

SWITCH APPARATUS

SWITCH DEVICE

OPTICAL WAVEGUIDE ELEMENT AND METHOD OF PRODUCING THE SAME

OPTICAL AMPLIFIER DEVICE

WIDE-BAND OPTICAL COUPLER

OPTICAL BRANCHING ELEMENT AND OPTICAL BRANCHING CIRCUIT

OPTICAL WAVEGUIDE CIRCUIT

DEMODULATING DELAY CIRCUIT AND OPTICAL RECEIVER

PLC-TYPE DELAY DEMODULATION CIRCUIT

ARRAYED WAVEGUIDE GRATING MULTIPLEXER-DEMULTIPLEXER

POLARIZATION SEPARATION ELEMENT AND OPTICAL INTEGRATED ELEMENT

SOA-PLC HYBRID INTEGRATED POLARIZATION DIVERSITY CIRCUIT AND METHOD...

ARRAYED WAVEGUIDE GRATING

PLC-TYPE DELAY DEMODULATION CIRCUIT AND PLC-TYPE OPTICAL INTERFEROM...

OPTICAL WAVEGUIDE CIRCUIT

MACH-ZEHNDER INTERFEROMETER-ARRAYED WAVEGUIDE GRATING AND PLANAR LI...

90-DEGREE HYBRID