Masatsugu Ichikawa

Person

Tokushima-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Light emitting device and method of manufacturing light emitting de...
- Patent number 12,145,349
- Issue date Nov 19, 2024
- Nichia Corporation
- Daisuke Sanga
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light emitting device, and method for manufacturing thereof
- Patent number 12,002,902
- Issue date Jun 4, 2024
- Nichia Corporation
- Masatsugu Ichikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Composite substrate and method of producing the composite substrate...
- Patent number 11,929,294
- Issue date Mar 12, 2024
- Nichia Corporation
- Masatsugu Ichikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Display device
- Patent number 11,837,679
- Issue date Dec 5, 2023
- Tohoku University
- Tetsu Tanaka
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Method of producing heat dissipation substrate and method of produc...
- Patent number 11,799,065
- Issue date Oct 24, 2023
- Nichia Corporation
- Shoichi Yamada
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Light emitting device, and method for manufacturing thereof
- Patent number 11,522,104
- Issue date Dec 6, 2022
- Nichia Corporation
- Masatsugu Ichikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light emitting device and method of manufacturing light emitting de...
- Patent number 10,974,492
- Issue date Apr 13, 2021
- Nichia Corporation
- Daisuke Sanga
- B32 - LAYERED PRODUCTS
Information Patent Grant
Semiconductor light emitting device
- Patent number 10,777,715
- Issue date Sep 15, 2020
- Nichia Corporation
- Masatsugu Ichikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical component, light emitting device using the optical componen...
- Patent number 10,658,811
- Issue date May 19, 2020
- Nichia Corporation
- Soichiro Miura
- F21 - LIGHTING
Information Patent Grant
Light emitting device in which light emitting element and light tra...
- Patent number 10,658,545
- Issue date May 19, 2020
- Nichia Corporation
- Masatsugu Ichikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light emitting device, and method for manufacturing thereof
- Patent number 10,636,941
- Issue date Apr 28, 2020
- Nichia Corporation
- Masatsugu Ichikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light emitting device and method of manufacturing light emitting de...
- Patent number 10,603,889
- Issue date Mar 31, 2020
- Nichia Corporation
- Daisuke Sanga
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of manufacturing optical component
- Patent number 10,593,843
- Issue date Mar 17, 2020
- Nichia Corporation
- Masatsugu Ichikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of manufacturing semiconductor device
- Patent number 10,461,235
- Issue date Oct 29, 2019
- Nichia Corporation
- Yuta Oka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of manufacturing light distribution member with shielded ind...
- Patent number 10,415,795
- Issue date Sep 17, 2019
- Nichia Corporation
- Dai Wakamatsu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light-emitting device and method of manufacturing the same
- Patent number 10,234,081
- Issue date Mar 19, 2019
- Nichia Corporation
- Masatsugu Ichikawa
- F21 - LIGHTING
Information Patent Grant
Semiconductor light emitting device and method for manufacturing th...
- Patent number 10,211,379
- Issue date Feb 19, 2019
- Nichia Corporation
- Masatsugu Ichikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for manufacturing semiconductor device
- Patent number 10,115,877
- Issue date Oct 30, 2018
- Nichia Corporation
- Masatsugu Ichikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light emitting device in which light emitting element and light tra...
- Patent number 10,043,948
- Issue date Aug 7, 2018
- Nichia Corporation
- Masatsugu Ichikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device with metal-bonded heat dissipator and manufact...
- Patent number 9,991,434
- Issue date Jun 5, 2018
- Nichia Corporation
- Masatsugu Ichikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor light emitting device and method for producing the same
- Patent number 9,941,447
- Issue date Apr 10, 2018
- Nichia Corporation
- Masatsugu Ichikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light emitting device and method of manufacturing light emitting de...
- Patent number 9,914,288
- Issue date Mar 13, 2018
- Nichia Corporation
- Daisuke Sanga
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light emitting device, and method for manufacturing thereof
- Patent number 9,847,452
- Issue date Dec 19, 2017
- Nichia Corporation
- Masatsugu Ichikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for manufacturing light distribution member, and method for...
- Patent number 9,744,754
- Issue date Aug 29, 2017
- Nichia Corporation
- Dai Wakamatsu
- G02 - OPTICS
Information Patent Grant
Semiconductor light emitting device and method for producing the same
- Patent number 9,553,241
- Issue date Jan 24, 2017
- Nichia Corporation
- Masatsugu Ichikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of manufacturing a light emitting device in which light emit...
- Patent number 9,502,608
- Issue date Nov 22, 2016
- Nichia Corporation
- Masatsugu Ichikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of manufacturing light emitting device including light emitt...
- Patent number 9,293,643
- Issue date Mar 22, 2016
- Nichia Corporation
- Masatsugu Ichikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light emitting device including light emitting element and waveleng...
- Patent number 9,293,642
- Issue date Mar 22, 2016
- Nichia Corporation
- Masatsugu Ichikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light-emitting device and manufacturing method thereof
- Patent number 9,257,619
- Issue date Feb 9, 2016
- Nichia Corporation
- Masatsugu Ichikawa
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method for manufacturing light emitting device
- Patent number 8,980,661
- Issue date Mar 17, 2015
- Nichia Corporation
- Masatsugu Ichikawa
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
COMPOSITE SUBSTRATE AND METHOD OF PRODUCING THE COMPOSITE SUBSTRATE...
- Publication number 20240222209
- Publication date Jul 4, 2024
- Nichia Corporation.
- Masatsugu ICHIKAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIGHT EMITTING DEVICE, AND METHOD FOR MANUFACTURING THEREOF
- Publication number 20230073726
- Publication date Mar 9, 2023
- Nichia Corporation.
- Masatsugu Ichikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
DISPLAY DEVICE
- Publication number 20220140174
- Publication date May 5, 2022
- TOHOKU UNIVERSITY
- Tetsu TANAKA
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
COMPOSITE SUBSTRATE AND METHOD OF PRODUCING THE COMPOSITE SUBSTRATE...
- Publication number 20220102229
- Publication date Mar 31, 2022
- Nichia Corporation.
- Masatsugu ICHIKAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD OF PRODUCING HEAT DISSIPATION SUBSTRATE AND METHOD OF PRODUC...
- Publication number 20210242385
- Publication date Aug 5, 2021
- Nichia Corporation.
- Shoichi YAMADA
- B22 - CASTING POWDER METALLURGY
Information Patent Application
LIGHT EMITTING DEVICE AND METHOD OF MANUFACTURING LIGHT EMITTING DE...
- Publication number 20210187928
- Publication date Jun 24, 2021
- Nichia Corporation.
- Daisuke SANGA
- B32 - LAYERED PRODUCTS
Information Patent Application
LIGHT EMITTING DEVICE, AND METHOD FOR MANUFACTURING THEREOF
- Publication number 20200220044
- Publication date Jul 9, 2020
- Nichia Corporation.
- Masatsugu Ichikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIGHT EMITTING DEVICE AND METHOD OF MANUFACTURING LIGHT EMITTING DE...
- Publication number 20200180292
- Publication date Jun 11, 2020
- Nichia Corporation.
- Daisuke SANGA
- B32 - LAYERED PRODUCTS
Information Patent Application
OPTICAL COMPONENT, LIGHT EMITTING DEVICE USING THE OPTICAL COMPONEN...
- Publication number 20190081452
- Publication date Mar 14, 2019
- Nichia Corporation.
- Soichiro MIURA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR LIGHT EMITTING DEVICE AND METHOD FOR MANUFACTURING TH...
- Publication number 20190019927
- Publication date Jan 17, 2019
- Nichia Corporation.
- Masatsugu ICHIKAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIGHT EMITTING DEVICE IN WHICH LIGHT EMITTING ELEMENT AND LIGHT TRA...
- Publication number 20180315892
- Publication date Nov 1, 2018
- Nichia Corporation.
- Masatsugu Ichikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD OF MANUFACTURING OPTICAL COMPONENT
- Publication number 20180248087
- Publication date Aug 30, 2018
- Nichia Corporation.
- Masatsugu ICHIKAWA
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
LIGHT EMITTING DEVICE AND METHOD OF MANUFACTURING LIGHT EMITTING DE...
- Publication number 20180229491
- Publication date Aug 16, 2018
- Nichia Corporation.
- Daisuke SANGA
- B32 - LAYERED PRODUCTS
Information Patent Application
METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE
- Publication number 20180130935
- Publication date May 10, 2018
- Nichia Corporation.
- Yuta OKA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIGHT EMITTING DEVICE, AND METHOD FOR MANUFACTURING THEREOF
- Publication number 20180097147
- Publication date Apr 5, 2018
- Nichia Corporation.
- Masatsugu Ichikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE
- Publication number 20170279018
- Publication date Sep 28, 2017
- Nichia Corporation.
- Masatsugu ICHIKAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIGHT-EMITTING DEVICE AND METHOD OF MANUFACTURING THE SAME
- Publication number 20170248280
- Publication date Aug 31, 2017
- Nichia Corporation.
- Masatsugu ICHIKAWA
- F21 - LIGHTING
Information Patent Application
SEMICONDUCTOR LIGHT EMITTING DEVICE AND METHOD FOR PRODUCING THE SAME
- Publication number 20170092815
- Publication date Mar 30, 2017
- Nichia Corporation.
- Masatsugu Ichikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIGHT EMITTING DEVICE IN WHICH LIGHT EMITTING ELEMENT AND LIGHT TRA...
- Publication number 20170040495
- Publication date Feb 9, 2017
- Nichia Corporation.
- Masatsugu Ichikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD OF MANUFACTURING LIGHT DISTRIBUTION MEMBER, METHOD OF MANUFA...
- Publication number 20160334077
- Publication date Nov 17, 2016
- Nichia Corporation.
- Dai WAKAMATSU
- F21 - LIGHTING
Information Patent Application
SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD FOR THE SAME
- Publication number 20160190417
- Publication date Jun 30, 2016
- Nichia Corporation.
- Masatsugu ICHIKAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR LIGHT EMITTING DEVICE AND METHOD FOR PRODUCING THE SAME
- Publication number 20150340567
- Publication date Nov 26, 2015
- Nichia Corporation.
- Masatsugu Ichikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD FOR MANUFACTURING LIGHT DISTRIBUTION MEMBER, AND METHOD FOR...
- Publication number 20150136306
- Publication date May 21, 2015
- Nichia Corporation.
- Dai WAKAMATSU
- B32 - LAYERED PRODUCTS
Information Patent Application
SEMICONDUCTOR LIGHT EMITTING DEVICE AND METHOD FOR MANUFACTURING TH...
- Publication number 20150137164
- Publication date May 21, 2015
- Nichia Corporation.
- Masatsugu ICHIKAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIGHT EMITTING DEVICE AND METHOD OF MANUFACTURING LIGHT EMITTING DE...
- Publication number 20150124457
- Publication date May 7, 2015
- Nichia Corporation.
- Daisuke SANGA
- B32 - LAYERED PRODUCTS
Information Patent Application
METHOD OF MANUFACTURING LIGHT EMITTING DEVICE INCLUDING LIGHT EMITT...
- Publication number 20150118771
- Publication date Apr 30, 2015
- Nichia Corporation.
- Masatsugu Ichikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIGHT EMITTING DEVICE, AND METHOD FOR MANUFACTURING THEREOF
- Publication number 20150115278
- Publication date Apr 30, 2015
- Nichia Corporation.
- Masatsugu Ichikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD OF MANUFACTURING LIGHT EMITTING DEVICE INCLUDING LIGHT EMITT...
- Publication number 20150076548
- Publication date Mar 19, 2015
- Nichia Corporation.
- Masatsugu Ichikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIGHT-EMITTING DEVICE AND MANUFACTURING METHOD THEREOF
- Publication number 20150048398
- Publication date Feb 19, 2015
- Nichia Corporation.
- Masatsugu Ichikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIGHT EMITTING DEVICE
- Publication number 20130316478
- Publication date Nov 28, 2013
- Nichia Corporation.
- Masatsugu Ichikawa
- H01 - BASIC ELECTRIC ELEMENTS

Masatsugu Ichikawa

Person

Patents Grantslast 30 patents

Light emitting device and method of manufacturing light emitting de...

Light emitting device, and method for manufacturing thereof

Composite substrate and method of producing the composite substrate...

Display device

Method of producing heat dissipation substrate and method of produc...

Light emitting device, and method for manufacturing thereof

Light emitting device and method of manufacturing light emitting de...

Semiconductor light emitting device

Optical component, light emitting device using the optical componen...

Light emitting device in which light emitting element and light tra...

Light emitting device, and method for manufacturing thereof

Light emitting device and method of manufacturing light emitting de...

Method of manufacturing optical component

Method of manufacturing semiconductor device

Method of manufacturing light distribution member with shielded ind...

Light-emitting device and method of manufacturing the same

Semiconductor light emitting device and method for manufacturing th...

Method for manufacturing semiconductor device

Light emitting device in which light emitting element and light tra...

Semiconductor device with metal-bonded heat dissipator and manufact...

Semiconductor light emitting device and method for producing the same

Light emitting device and method of manufacturing light emitting de...

Light emitting device, and method for manufacturing thereof

Method for manufacturing light distribution member, and method for...

Semiconductor light emitting device and method for producing the same

Method of manufacturing a light emitting device in which light emit...

Method of manufacturing light emitting device including light emitt...

Light emitting device including light emitting element and waveleng...

Light-emitting device and manufacturing method thereof

Method for manufacturing light emitting device

Patents Applicationslast 30 patents

COMPOSITE SUBSTRATE AND METHOD OF PRODUCING THE COMPOSITE SUBSTRATE...

LIGHT EMITTING DEVICE, AND METHOD FOR MANUFACTURING THEREOF

DISPLAY DEVICE

COMPOSITE SUBSTRATE AND METHOD OF PRODUCING THE COMPOSITE SUBSTRATE...

METHOD OF PRODUCING HEAT DISSIPATION SUBSTRATE AND METHOD OF PRODUC...

LIGHT EMITTING DEVICE AND METHOD OF MANUFACTURING LIGHT EMITTING DE...

LIGHT EMITTING DEVICE, AND METHOD FOR MANUFACTURING THEREOF

LIGHT EMITTING DEVICE AND METHOD OF MANUFACTURING LIGHT EMITTING DE...

OPTICAL COMPONENT, LIGHT EMITTING DEVICE USING THE OPTICAL COMPONEN...

SEMICONDUCTOR LIGHT EMITTING DEVICE AND METHOD FOR MANUFACTURING TH...

LIGHT EMITTING DEVICE IN WHICH LIGHT EMITTING ELEMENT AND LIGHT TRA...

METHOD OF MANUFACTURING OPTICAL COMPONENT

LIGHT EMITTING DEVICE AND METHOD OF MANUFACTURING LIGHT EMITTING DE...

METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE

LIGHT EMITTING DEVICE, AND METHOD FOR MANUFACTURING THEREOF

METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE

LIGHT-EMITTING DEVICE AND METHOD OF MANUFACTURING THE SAME

SEMICONDUCTOR LIGHT EMITTING DEVICE AND METHOD FOR PRODUCING THE SAME

LIGHT EMITTING DEVICE IN WHICH LIGHT EMITTING ELEMENT AND LIGHT TRA...

METHOD OF MANUFACTURING LIGHT DISTRIBUTION MEMBER, METHOD OF MANUFA...

SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD FOR THE SAME

SEMICONDUCTOR LIGHT EMITTING DEVICE AND METHOD FOR PRODUCING THE SAME

METHOD FOR MANUFACTURING LIGHT DISTRIBUTION MEMBER, AND METHOD FOR...

SEMICONDUCTOR LIGHT EMITTING DEVICE AND METHOD FOR MANUFACTURING TH...

LIGHT EMITTING DEVICE AND METHOD OF MANUFACTURING LIGHT EMITTING DE...

METHOD OF MANUFACTURING LIGHT EMITTING DEVICE INCLUDING LIGHT EMITT...

LIGHT EMITTING DEVICE, AND METHOD FOR MANUFACTURING THEREOF

METHOD OF MANUFACTURING LIGHT EMITTING DEVICE INCLUDING LIGHT EMITT...

LIGHT-EMITTING DEVICE AND MANUFACTURING METHOD THEREOF

LIGHT EMITTING DEVICE