Shin-ichi Nakajima

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Fe-based amorphous alloy ribbon, production method thereof, iron co...
- Patent number 12,264,389
- Issue date Apr 1, 2025
- PROTERIAL, LTD.
- Hajime Itagaki
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Fe-based amorphous alloy ribbon, production method thereof, iron co...
- Patent number 11,952,651
- Issue date Apr 9, 2024
- PROTERIAL, LTD.
- Hajime Itagaki
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Fe-based amorphous alloy ribbon, iron core, and transformer
- Patent number 11,802,328
- Issue date Oct 31, 2023
- PROTERIAL, LTD.
- Hajime Itagaki
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Transformer
- Patent number 11,521,782
- Issue date Dec 6, 2022
- Hitachi Metals, Ltd.
- Shin Nakajima
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Optical packet network system
- Patent number 7,787,777
- Issue date Aug 31, 2010
- Yokogawa Electric Corporation
- Shinji Iio
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Current transformer and electric energy meter
- Patent number 7,656,149
- Issue date Feb 2, 2010
- Metglas, Inc.
- Shin Nakajima
- G01 - MEASURING TESTING
Information Patent Grant
Optical switch
- Patent number 7,317,848
- Issue date Jan 8, 2008
- Yokogawa Electric Corporation
- Shinji Iio
- G02 - OPTICS
Information Patent Grant
Optical switch matrix
- Patent number 7,116,856
- Issue date Oct 3, 2006
- Yokogawa Electric Corporation
- Shinji Iio
- G02 - OPTICS
Information Patent Grant
Optical signal processing system
- Patent number 6,930,623
- Issue date Aug 16, 2005
- Yokogawa Electric Corporation
- Shinji Iio
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical switch
- Patent number 6,891,986
- Issue date May 10, 2005
- Yokogawa Electric Corp.
- Shinji Iio
- G02 - OPTICS
Information Patent Grant
Relative azimuth measuring method and apparatus
- Patent number 5,541,726
- Issue date Jul 30, 1996
- NEC Corporation
- Shin-ichi Nakajima
- G01 - MEASURING TESTING
Information Patent Grant
Distributed feedback semiconductor laser
- Patent number 5,289,494
- Issue date Feb 22, 1994
- Optical Measurement Technology Development Co., Ltd.
- Kunio Tada
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Fe-BASED AMORPHOUS ALLOY RIBBON, PRODUCTION METHOD THEREOF, IRON CO...
- Publication number 20240263289
- Publication date Aug 8, 2024
- Proterial, Ltd.
- Hajime ITAGAKI
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Fe-BASED AMORPHOUS ALLOY RIBBON, PRODUCTION METHOD THEREOF, IRON CO...
- Publication number 20240191333
- Publication date Jun 13, 2024
- Proterial, Ltd.
- Hajime ITAGAKI
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Fe-BASED AMORPHOUS ALLOY RIBBON, IRON CORE, AND TRANSFORMER
- Publication number 20220375666
- Publication date Nov 24, 2022
- Hitachi Metals, Ltd.
- Hajime ITAGAKI
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Fe-BASED AMORPHOUS ALLOY RIBBON, PRODUCTION METHOD THEREOF, IRON CO...
- Publication number 20220364212
- Publication date Nov 17, 2022
- Hitachi Metals, Ltd.
- Hajime ITAGAKI
- C21 - METALLURGY OF IRON
Information Patent Application
TRANSFORMER
- Publication number 20210098175
- Publication date Apr 1, 2021
- Hitachi Metals, Ltd.
- Shin NAKAJIMA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Current transformer and electric energy meter
- Publication number 20090021237
- Publication date Jan 22, 2009
- Metglas, Inc.
- Shin Nakajima
- G01 - MEASURING TESTING
Information Patent Application
Optical packet network system
- Publication number 20070047957
- Publication date Mar 1, 2007
- Yokogawa Electric Corporation
- Shinji Iio
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical switch matrix
- Publication number 20050041913
- Publication date Feb 24, 2005
- Yokogawa Electric Corporation
- Shinji Iio
- G02 - OPTICS
Information Patent Application
Optical switch
- Publication number 20050041903
- Publication date Feb 24, 2005
- Yokogawa Electric Corporation
- Shinji Iio
- G02 - OPTICS
Information Patent Application
Optical switch
- Publication number 20040184712
- Publication date Sep 23, 2004
- YOKOGAWA ELECTRIC CORPORATION
- Shinji Iio
- G02 - OPTICS
Information Patent Application
Optical signal processing system
- Publication number 20040178935
- Publication date Sep 16, 2004
- YOKOGAWA ELECTRIC CORPORATION
- Shinji Iio
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Mobile agent transfer system, method and program for portable devices
- Publication number 20020116540
- Publication date Aug 22, 2002
- NEC Corporation
- Naoto Maeda
- G06 - COMPUTING CALCULATING COUNTING

Shin-ichi Nakajima

Person

Patents Grantslast 30 patents

Fe-based amorphous alloy ribbon, production method thereof, iron co...

Fe-based amorphous alloy ribbon, production method thereof, iron co...

Fe-based amorphous alloy ribbon, iron core, and transformer

Transformer

Optical packet network system

Current transformer and electric energy meter

Optical switch

Optical switch matrix

Optical signal processing system

Optical switch

Relative azimuth measuring method and apparatus

Distributed feedback semiconductor laser

Patents Applicationslast 30 patents

Fe-BASED AMORPHOUS ALLOY RIBBON, PRODUCTION METHOD THEREOF, IRON CO...

Fe-BASED AMORPHOUS ALLOY RIBBON, PRODUCTION METHOD THEREOF, IRON CO...

Fe-BASED AMORPHOUS ALLOY RIBBON, IRON CORE, AND TRANSFORMER

Fe-BASED AMORPHOUS ALLOY RIBBON, PRODUCTION METHOD THEREOF, IRON CO...

TRANSFORMER

Current transformer and electric energy meter

Optical packet network system

Optical switch matrix

Optical switch

Optical switch

Optical signal processing system

Mobile agent transfer system, method and program for portable devices