Hisato Uetsuka

Person

Tsukuba, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Circular polarization-type polarization diversity element, scanning...
- Patent number 11,635,501
- Issue date Apr 25, 2023
- National Institute of Advanced Industrial Science and Technology
- Hisato Uetsuka
- G01 - MEASURING TESTING
Information Patent Grant
Light beam switching element, assembly of same, and control method...
- Patent number 11,327,381
- Issue date May 10, 2022
- National Institute of Advanced Industrial Science and Technology
- Hisato Uetsuka
- G02 - OPTICS
Information Patent Grant
High-speed optical switching engine
- Patent number 11,099,446
- Issue date Aug 24, 2021
- National Institute of Advanced Industrial Science and Technology
- Hisato Uetsuka
- G02 - OPTICS
Information Patent Grant
Optical beam deflection element and module
- Patent number 10,989,981
- Issue date Apr 27, 2021
- National Institute of Advanced Industrial Science and Technology
- Hisato Uetsuka
- G02 - OPTICS
Information Patent Grant
Light beam deflecting element, wavelength-selective cross-connect d...
- Patent number 10,613,412
- Issue date Apr 7, 2020
- National Institute of Advanced Industrial Science
- Hisato Uetsuka
- G02 - OPTICS
Information Patent Grant
Wavelength domain optical switch
- Patent number 8,503,836
- Issue date Aug 6, 2013
- National Institute of Advanced Industrial Science and Technology
- Hiroshi Ishikawa
- G02 - OPTICS
Information Patent Grant
Optical waveguide-type wavelength domain switch
- Patent number 8,229,258
- Issue date Jul 24, 2012
- National Institute of Advanced Industrial Science and Technology
- Hiroshi Ishikawa
- G02 - OPTICS
Information Patent Grant
Waveguide type wavelength domain optical switch
- Patent number 7,567,736
- Issue date Jul 28, 2009
- National Institute of Advanced Industrial Science and Technology
- Hiroshi Ishikawa
- G02 - OPTICS
Information Patent Grant
Diffraction grating and dispersion compensation circuit
- Patent number 7,496,256
- Issue date Feb 24, 2009
- Keio University
- Hiroyuki Tsuda
- G02 - OPTICS
Information Patent Grant
Waveguide type variable optical attenuator
- Patent number 6,980,707
- Issue date Dec 27, 2005
- Hitachi Cable, Ltd.
- Takafumi Chiba
- G02 - OPTICS
Information Patent Grant
Waveguide-type optical multiplexer/demultiplexer
- Patent number 6,947,631
- Issue date Sep 20, 2005
- Hitachi Cable, Ltd.
- Hideaki Arai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical multiplexer/demultiplexer
- Patent number 6,724,954
- Issue date Apr 20, 2004
- Hitachi Cable, Inc.
- Hideaki Arai
- G02 - OPTICS
Information Patent Grant
Method and apparatus for reducing optical insertion loss in planar...
- Patent number 6,668,107
- Issue date Dec 23, 2003
- Agilent Technologies, Inc.
- Marshall Thomas DePue
- G02 - OPTICS
Information Patent Grant
Optical multiplexer/demultiplexer
- Patent number 6,631,223
- Issue date Oct 7, 2003
- Hitachi Cable, Ltd.
- Hideaki Arai
- G02 - OPTICS
Information Patent Grant
Array waveguide grating and method of manufacture thereof
- Patent number 6,556,749
- Issue date Apr 29, 2003
- Hitachi Cable Limited
- Hisato Uetsuka
- G02 - OPTICS
Information Patent Grant
Optical wavelength multiplexer/demultiplexer
- Patent number 6,549,696
- Issue date Apr 15, 2003
- Hitachi Cable, Ltd.
- Hisato Uetsuka
- G02 - OPTICS
Information Patent Grant
Optical wavelength routing device
- Patent number 6,317,534
- Issue date Nov 13, 2001
- Kokusai Denshin Denwa Co., Ltd.
- Tetsuya Miyazaki
- G02 - OPTICS
Information Patent Grant
Glass wave guide element and method of manufacturing the same
- Patent number 6,093,334
- Issue date Jul 25, 2000
- Hitachi Cable, Ltd.
- Ryoji Suzuki
- G02 - OPTICS
Information Patent Grant
Optical wavelength multiplexer/demultiplexer
- Patent number 6,069,990
- Issue date May 30, 2000
- Hitachi Cable Ltd.
- Masahiro Okawa
- G02 - OPTICS
Information Patent Grant
Glass wave guide element and method of manufacturing the same
- Patent number 6,031,957
- Issue date Feb 29, 2000
- Hitachi Cable Ltd.
- Ryoji Suzuki
- G02 - OPTICS
Information Patent Grant
Photocoupler and method for producing the same
- Patent number 6,021,239
- Issue date Feb 1, 2000
- Sharp Kabushiki Kaisha
- Kohji Minami
- G02 - OPTICS
Information Patent Grant
Waveguide type grating device
- Patent number 5,995,691
- Issue date Nov 30, 1999
- Hitachi Cable, Ltd.
- Hideaki Arai
- G02 - OPTICS
Information Patent Grant
Optical waveguide, method of making the same and integrated optical...
- Patent number 5,903,697
- Issue date May 11, 1999
- Hitachi Ltd.
- Yasufumi Yamada
- G02 - OPTICS
Information Patent Grant
Optical device formed with grating therein, add/drop filter using s...
- Patent number 5,848,207
- Issue date Dec 8, 1998
- Hitachi Cable, Ltd.
- Hisato Uetsuka
- G02 - OPTICS
Information Patent Grant
Optical device formed with grating therein, add/drop filter using s...
- Patent number 5,832,154
- Issue date Nov 3, 1998
- Hitachi Cable, Ltd.
- Hisato Uetsuka
- G02 - OPTICS
Information Patent Grant
Optical device having switching function
- Patent number 5,812,709
- Issue date Sep 22, 1998
- Hitachi Cable, Ltd.
- Hideaki Arai
- G02 - OPTICS
Information Patent Grant
Guided-wave optical multi/demultiplexer
- Patent number 5,499,308
- Issue date Mar 12, 1996
- Hitachi Cable, Ltd.
- Hideaki Arai
- G02 - OPTICS
Information Patent Grant
Waveguide type light merging and branching device
- Patent number 4,953,934
- Issue date Sep 4, 1990
- Hitachi, Ltd.
- Katsuyuki Imoto
- G02 - OPTICS
Information Patent Grant
Directional coupler for coupling single-polarization optical fibers
- Patent number 4,753,497
- Issue date Jun 28, 1988
- Hitachi Cable Limited
- Yoshimasa Fujii
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
DISTANCE AND SPEED MEASURING APPARATUS
- Publication number 20220404498
- Publication date Dec 22, 2022
- STERAVISION CO, LTD.
- Hisato UETSUKA
- G01 - MEASURING TESTING
Information Patent Application
LIGHT BEAM SWITCHING ELEMENT, ASSEMBLY OF SAME, AND CONTROL METHOD...
- Publication number 20220091456
- Publication date Mar 24, 2022
- NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY
- Hisato UETSUKA
- G02 - OPTICS
Information Patent Application
CIRCULAR POLARIZATION-TYPE POLARIZATION DIVERSITY ELEMENT, SCANNING...
- Publication number 20200300992
- Publication date Sep 24, 2020
- NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY
- Hisato UETSUKA
- G01 - MEASURING TESTING
Information Patent Application
HIGH-SPEED OPTICAL SWITCHING ENGINE
- Publication number 20200225514
- Publication date Jul 16, 2020
- NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY
- Hisato UETSUKA
- G02 - OPTICS
Information Patent Application
OPTICAL BEAM DEFLECTION ELEMENT AND MODULE
- Publication number 20200209705
- Publication date Jul 2, 2020
- Hisato Uetsuka
- G02 - OPTICS
Information Patent Application
LIGHT BEAM DEFLECTING ELEMENT, WAVELENGTH-SELECTIVE CROSS-CONNECT D...
- Publication number 20180143508
- Publication date May 24, 2018
- NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY
- Hisato Uetsuka
- G02 - OPTICS
Information Patent Application
WAVELENGTH CROSS CONNECT DEVICE
- Publication number 20130272650
- Publication date Oct 17, 2013
- NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY
- Hiroshi Ishikawa
- G02 - OPTICS
Information Patent Application
WAVELENGTH DOMAIN OPTICAL SWITCH
- Publication number 20110182545
- Publication date Jul 28, 2011
- NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY
- Hiroshi Ishikawa
- G02 - OPTICS
Information Patent Application
Optical waveguide-type wavelength domain switch
- Publication number 20100067900
- Publication date Mar 18, 2010
- NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY
- Hiroshi Ishikawa
- G02 - OPTICS
Information Patent Application
Waveguide type wavelength domain optical switch
- Publication number 20080298738
- Publication date Dec 4, 2008
- NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY
- Hiroshi Ishikawa
- G02 - OPTICS
Information Patent Application
Diffraction grating and dispersion compensation circuit
- Publication number 20080056643
- Publication date Mar 6, 2008
- KEIO UNIVERSITY
- Hiroyuki Tsuda
- G02 - OPTICS
Information Patent Application
Waveguide type variable optical attenuator
- Publication number 20040047583
- Publication date Mar 11, 2004
- Hitachi Cable, Ltd.
- Takafumi Chiba
- G02 - OPTICS
Information Patent Application
Method and apparatus for reducing optical insertion loss in planar...
- Publication number 20030123778
- Publication date Jul 3, 2003
- Marshall Thomas DePue
- G02 - OPTICS
Information Patent Application
Waveguide-type optical multiplexer/demultiplexer
- Publication number 20030091071
- Publication date May 15, 2003
- Hideaki Arai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Array waveguide grating and method of manufacture thereof
- Publication number 20030007728
- Publication date Jan 9, 2003
- Hisato Uetsuka
- G02 - OPTICS
Information Patent Application
Optical multiplexer/demultiplexer
- Publication number 20010051018
- Publication date Dec 13, 2001
- Hideaki Arai
- G02 - OPTICS
Information Patent Application
Optical multiplexer/Demultiplexer
- Publication number 20010048786
- Publication date Dec 6, 2001
- Hideaki Arai
- G02 - OPTICS

Hisato Uetsuka

Person

Patents Grantslast 30 patents

Circular polarization-type polarization diversity element, scanning...

Light beam switching element, assembly of same, and control method...

High-speed optical switching engine

Optical beam deflection element and module

Light beam deflecting element, wavelength-selective cross-connect d...

Wavelength domain optical switch

Optical waveguide-type wavelength domain switch

Waveguide type wavelength domain optical switch

Diffraction grating and dispersion compensation circuit

Waveguide type variable optical attenuator

Waveguide-type optical multiplexer/demultiplexer

Optical multiplexer/demultiplexer

Method and apparatus for reducing optical insertion loss in planar...

Optical multiplexer/demultiplexer

Array waveguide grating and method of manufacture thereof

Optical wavelength multiplexer/demultiplexer

Optical wavelength routing device

Glass wave guide element and method of manufacturing the same

Optical wavelength multiplexer/demultiplexer

Glass wave guide element and method of manufacturing the same

Photocoupler and method for producing the same

Waveguide type grating device

Optical waveguide, method of making the same and integrated optical...

Optical device formed with grating therein, add/drop filter using s...

Optical device formed with grating therein, add/drop filter using s...

Optical device having switching function

Guided-wave optical multi/demultiplexer

Waveguide type light merging and branching device

Directional coupler for coupling single-polarization optical fibers

Patents Applicationslast 30 patents

DISTANCE AND SPEED MEASURING APPARATUS

LIGHT BEAM SWITCHING ELEMENT, ASSEMBLY OF SAME, AND CONTROL METHOD...

CIRCULAR POLARIZATION-TYPE POLARIZATION DIVERSITY ELEMENT, SCANNING...

HIGH-SPEED OPTICAL SWITCHING ENGINE

OPTICAL BEAM DEFLECTION ELEMENT AND MODULE

LIGHT BEAM DEFLECTING ELEMENT, WAVELENGTH-SELECTIVE CROSS-CONNECT D...

WAVELENGTH CROSS CONNECT DEVICE

WAVELENGTH DOMAIN OPTICAL SWITCH

Optical waveguide-type wavelength domain switch

Waveguide type wavelength domain optical switch

Diffraction grating and dispersion compensation circuit

Waveguide type variable optical attenuator

Method and apparatus for reducing optical insertion loss in planar...

Waveguide-type optical multiplexer/demultiplexer

Array waveguide grating and method of manufacture thereof

Optical multiplexer/demultiplexer

Optical multiplexer/Demultiplexer