Kenji Mizutani

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Smoke detector
- Patent number 11,971,345
- Issue date Apr 30, 2024
- Nohmi Bosai Ltd.
- Masamichi Uchida
- G08 - SIGNALLING
Information Patent Grant
Parallel computer system, method of controlling a parallel computer...
- Patent number 11,212,214
- Issue date Dec 28, 2021
- NEC Corporation
- Kenji Mizutani
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission device and control method for the same
- Patent number 9,621,272
- Issue date Apr 11, 2017
- NEC Corporation
- Akio Tajima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical waveguide and manufacturing method of optical waveguide
- Patent number 9,411,099
- Issue date Aug 9, 2016
- NEC Corporation
- Kenji Mizutani
- G02 - OPTICS
Information Patent Grant
Network system, network apparatus, and method of controlling network
- Patent number 9,240,856
- Issue date Jan 19, 2016
- NEC Corporation
- Kenji Mizutani
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Node device, and control method and control program thereof
- Patent number 9,215,010
- Issue date Dec 15, 2015
- NEC Corporation
- Kenji Mizutani
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multiplexer/demultiplexer and multiplexing/demultiplexing method
- Patent number 8,929,734
- Issue date Jan 6, 2015
- NEC Corporation
- Kenji Mizutani
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Semiconductor laser, module and optical transmitter
- Patent number 8,457,168
- Issue date Jun 4, 2013
- NEC Corporation
- Koji Kudo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical joint
- Patent number 8,433,164
- Issue date Apr 30, 2013
- NEC Corporation
- Takeshi Okamoto
- G02 - OPTICS
Information Patent Grant
Wavelength-tunable laser apparatus and wavelength changing method t...
- Patent number 8,284,807
- Issue date Oct 9, 2012
- NEC Corporation
- Kenji Mizutani
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
External resonator-type wavelength tunable laser device
- Patent number 8,189,631
- Issue date May 29, 2012
- NEC Corporation
- Shinya Sudo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
External cavity wavelength tunable laser device and optical output...
- Patent number 8,144,738
- Issue date Mar 27, 2012
- NEC Corporation
- Kenji Sato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
External cavity wavelength tunable laser device and optical output...
- Patent number 7,991,024
- Issue date Aug 2, 2011
- NEC Corporation
- Kenji Sato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
External resonator type wavelength-variable laser
- Patent number 7,656,911
- Issue date Feb 2, 2010
- NEC Corporation
- Kenji Mizutani
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Load detector for elevator cage
- Patent number 6,305,503
- Issue date Oct 23, 2001
- Kabushiki Kaisha Toshiba
- Satoshi Suzuki
- B66 - HOISTING LIFTING HAULING

Patents Applicationslast 30 patents

Information Patent Application
WAVELENGTH-TUNABLE LIGHT SOURCE DEVICE AND WAVELENGTH CONTROL METHOD
- Publication number 20250239835
- Publication date Jul 24, 2025
- NEC Corporation
- Kenji Mizutani
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MINE MANAGEMENT SYSTEM
- Publication number 20250191083
- Publication date Jun 12, 2025
- Hitachi Construction Machinery Co., Ltd.
- Yoichi IIHOSHI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
LIGHT MODULE, LIGHT SYSTEM, AND LIGHT OUTPUT METHOD
- Publication number 20250015896
- Publication date Jan 9, 2025
- NEC CORPORATION
- Kenji Mizutani
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
WAVELENGTH TUNABLE LASER APPARATUS, OPTICAL TRANSCEIVER, AND WAVELE...
- Publication number 20240429678
- Publication date Dec 26, 2024
- NEC Corporation
- Masaki OE
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CONTROL DEVICE, LIGHT SOURCE DEVICE, TRANSMISSION MODULE, OPTICAL T...
- Publication number 20240413606
- Publication date Dec 12, 2024
- NEC Corporation
- Kenji MIZUTANI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MINE MANAGEMENT SYSTEM
- Publication number 20240304038
- Publication date Sep 12, 2024
- Hitachi Construction Machinery Co., Ltd.
- Yoichi IIHOSHI
- G07 - CHECKING-DEVICES
Information Patent Application
OPTICAL MODULE, FREQUENCY VARIATION DETECTION METHOD, AND NON-TRANS...
- Publication number 20240072516
- Publication date Feb 29, 2024
- NEC C orporation
- Kenji MIZUTANI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
VEHICLE BODY MANAGEMENT SYSTEM
- Publication number 20230326267
- Publication date Oct 12, 2023
- Hitachi Construction Machinery Co., Ltd.
- Yoichi IIHOSHI
- B60 - VEHICLES IN GENERAL
Information Patent Application
Mine Management System
- Publication number 20230316205
- Publication date Oct 5, 2023
- Hitachi Construction Machinery Co., Ltd.
- Yoichi IIHOSHI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SMOKE DETECTOR
- Publication number 20220120672
- Publication date Apr 21, 2022
- NOHMI BOSAI LTD.
- Masamichi UCHIDA
- G08 - SIGNALLING
Information Patent Application
COMPUTING MACHINE, METHOD AND NON-TRANSITORY COMPUTER-READABLE MEDIUM
- Publication number 20210406093
- Publication date Dec 30, 2021
- NEC Corporation
- Kenji MIZUTANI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
OPTICAL TRANSMITTER
- Publication number 20200235547
- Publication date Jul 23, 2020
- Photonics Electronics Technology Research Association
- Kenji Mizutani
- G02 - OPTICS
Information Patent Application
PARALLEL COMPUTER SYSTEM, METHOD OF CONTROLLING A PARALLEL COMPUTER...
- Publication number 20200092196
- Publication date Mar 19, 2020
- NEC Corporation
- Kenji MIZUTANI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL WAVEGUIDE AND MANUFACTURING METHOD OF OPTICAL WAVEGUIDE
- Publication number 20150219844
- Publication date Aug 6, 2015
- NEC Corporation
- Kenji MIZUTANI
- G02 - OPTICS
Information Patent Application
OPTICAL TRANSMISSION DEVICE AND CONTROL METHOD FOR THE SAME
- Publication number 20150180579
- Publication date Jun 25, 2015
- NEC Corporation
- Akio Tajima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
NODE DEVICE, AND CONTROL METHOD AND CONTROL PROGRAM THEREOF
- Publication number 20140226989
- Publication date Aug 14, 2014
- NEC Corporation
- Kenji Mizutani
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
NETWORK SYSTEM, NETWORK APPARATUS, AND METHOD OF CONTROLLING NETWORK
- Publication number 20140133863
- Publication date May 15, 2014
- NEC Corporation
- Kenji Mizutani
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
POWER SAVING CONTROL METHOD AND NODE DEVICE IN OPTICAL COMMUNICATIO...
- Publication number 20130279918
- Publication date Oct 24, 2013
- Kenji Mizutani
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MULTIPLEXER/DEMULTIPLEXER AND MULTIPLEXING/DEMULTIPLEXING METHOD
- Publication number 20130094853
- Publication date Apr 18, 2013
- NEC Corporation
- Kenji Mizutani
- G02 - OPTICS
Information Patent Application
EXTERNAL CAVITY WAVELENGTH TUNABLE LASER DEVICE AND OPTICAL OUTPUT...
- Publication number 20110249690
- Publication date Oct 13, 2011
- NEC Corporation
- Kenji Sato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL JOINT
- Publication number 20110188804
- Publication date Aug 4, 2011
- Takeshi Okamoto
- G02 - OPTICS
Information Patent Application
WAVELENGTH-TUNABLE LASER APPARATUS AND WAVELENGTH CHANGING METHOD T...
- Publication number 20110002349
- Publication date Jan 6, 2011
- Kenji Mizutani
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
EXTERNAL RESONATOR-TYPE WAVELENGTH TUNABLE LASER DEVICE
- Publication number 20100246618
- Publication date Sep 30, 2010
- Shinya Sudo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
EXTERNAL RESONATOR TYPE WAVELENGTH VARIABLE SEMICONDUCTOR LASER
- Publication number 20100111119
- Publication date May 6, 2010
- Kenji Sato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor Laser, Module and Optical Transmitter
- Publication number 20090274187
- Publication date Nov 5, 2009
- Koji Kudo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Optical intergrated device
- Publication number 20090268762
- Publication date Oct 29, 2009
- Jan De Merlier
- G02 - OPTICS
Information Patent Application
EXTERNAL RESONATOR VARIABLE WAVELENGTH LASER AND ITS PACKAGING METHOD
- Publication number 20090257460
- Publication date Oct 15, 2009
- NEC Corporation
- Kenji Mizutani
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
EXTERNAL CAVITY WAVELENGTH TUNABLE LASER DEVICE AND OPTICAL OUTPUT...
- Publication number 20090141747
- Publication date Jun 4, 2009
- NEC Corporation
- Kenji Sato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
VARIABLE-WAVELENGTH FILTER AND VARIABLE-WAVELENGTH LASER
- Publication number 20090122817
- Publication date May 14, 2009
- NEC Corporation
- Kenji Sato
- G02 - OPTICS
Information Patent Application
External Resonator Type Wavelength-Variable Laser
- Publication number 20080025349
- Publication date Jan 31, 2008
- NEC Corporation
- Kenji Mizutani
- H01 - BASIC ELECTRIC ELEMENTS

Kenji Mizutani

Person

Patents Grantslast 30 patents

Smoke detector

Parallel computer system, method of controlling a parallel computer...

Optical transmission device and control method for the same

Optical waveguide and manufacturing method of optical waveguide

Network system, network apparatus, and method of controlling network

Node device, and control method and control program thereof

Multiplexer/demultiplexer and multiplexing/demultiplexing method

Semiconductor laser, module and optical transmitter

Optical joint

Wavelength-tunable laser apparatus and wavelength changing method t...

External resonator-type wavelength tunable laser device

External cavity wavelength tunable laser device and optical output...

External cavity wavelength tunable laser device and optical output...

External resonator type wavelength-variable laser

Load detector for elevator cage

Patents Applicationslast 30 patents

WAVELENGTH-TUNABLE LIGHT SOURCE DEVICE AND WAVELENGTH CONTROL METHOD

MINE MANAGEMENT SYSTEM

LIGHT MODULE, LIGHT SYSTEM, AND LIGHT OUTPUT METHOD

WAVELENGTH TUNABLE LASER APPARATUS, OPTICAL TRANSCEIVER, AND WAVELE...

CONTROL DEVICE, LIGHT SOURCE DEVICE, TRANSMISSION MODULE, OPTICAL T...

MINE MANAGEMENT SYSTEM

OPTICAL MODULE, FREQUENCY VARIATION DETECTION METHOD, AND NON-TRANS...

VEHICLE BODY MANAGEMENT SYSTEM

Mine Management System

SMOKE DETECTOR

COMPUTING MACHINE, METHOD AND NON-TRANSITORY COMPUTER-READABLE MEDIUM

OPTICAL TRANSMITTER

PARALLEL COMPUTER SYSTEM, METHOD OF CONTROLLING A PARALLEL COMPUTER...

OPTICAL WAVEGUIDE AND MANUFACTURING METHOD OF OPTICAL WAVEGUIDE

OPTICAL TRANSMISSION DEVICE AND CONTROL METHOD FOR THE SAME

NODE DEVICE, AND CONTROL METHOD AND CONTROL PROGRAM THEREOF

NETWORK SYSTEM, NETWORK APPARATUS, AND METHOD OF CONTROLLING NETWORK

POWER SAVING CONTROL METHOD AND NODE DEVICE IN OPTICAL COMMUNICATIO...

MULTIPLEXER/DEMULTIPLEXER AND MULTIPLEXING/DEMULTIPLEXING METHOD

EXTERNAL CAVITY WAVELENGTH TUNABLE LASER DEVICE AND OPTICAL OUTPUT...

OPTICAL JOINT

WAVELENGTH-TUNABLE LASER APPARATUS AND WAVELENGTH CHANGING METHOD T...

EXTERNAL RESONATOR-TYPE WAVELENGTH TUNABLE LASER DEVICE

EXTERNAL RESONATOR TYPE WAVELENGTH VARIABLE SEMICONDUCTOR LASER

Semiconductor Laser, Module and Optical Transmitter

Optical intergrated device

EXTERNAL RESONATOR VARIABLE WAVELENGTH LASER AND ITS PACKAGING METHOD

EXTERNAL CAVITY WAVELENGTH TUNABLE LASER DEVICE AND OPTICAL OUTPUT...

VARIABLE-WAVELENGTH FILTER AND VARIABLE-WAVELENGTH LASER

External Resonator Type Wavelength-Variable Laser