Masayoshi Ichikawa

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Fluoride phosphor and light-emitting device using same
- Patent number 11,114,589
- Issue date Sep 7, 2021
- DENKA COMPANY LIMITED
- Masayoshi Ichikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Fluoride phosphor and light-emitting device using same
- Patent number 10,982,139
- Issue date Apr 20, 2021
- DENKA COMPANY LIMITED
- Masayoshi Ichikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Fluoride phosphor and light-emitting device using same
- Patent number 10,947,450
- Issue date Mar 16, 2021
- DENKA COMPANY LIMITED
- Masayoshi Ichikawa
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Fluorescent fluoride, light-emitting device, and process for produc...
- Patent number 10,941,339
- Issue date Mar 9, 2021
- DENKA COMPANY LIMITED
- Masayoshi Ichikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Process for producing fluorescent material
- Patent number 10,759,995
- Issue date Sep 1, 2020
- DENKA COMPANY LIMITED
- Masayoshi Ichikawa
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Potassium fluoromanganate for use as raw material of manganese-acti...
- Patent number 10,669,476
- Issue date Jun 2, 2020
- DENKO COMPANY LIMITED
- Hideyuki Emoto
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Fluoride phosphors and light emitting devices using the same
- Patent number 10,508,235
- Issue date Dec 17, 2019
- DENKA COMPANY LIMITED
- Shunsuke Mitani
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for producing phosphor
- Patent number 9,850,131
- Issue date Dec 26, 2017
- DENKA COMPANY LIMITED
- Ryozo Nonogaki
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Phosphor, light emitting element, and light emitting device
- Patent number 9,680,066
- Issue date Jun 13, 2017
- DENKA COMPANY LIMITED
- Hideyuki Emoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Phosphor, light emitting element, and light emitting device
- Patent number 9,676,999
- Issue date Jun 13, 2017
- DENKA COMPANY LIMITED
- Hideyuki Emoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
β-sialon and method of manufacturing thereof, and light-emitting de...
- Patent number 9,163,175
- Issue date Oct 20, 2015
- Denki Kagaku Kogyo Kabushiki Kaisha
- Go Takeda
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Method of producing β-SiAION, β-SiAION, and products using the same
- Patent number 8,926,864
- Issue date Jan 6, 2015
- Denki Kagaku Kogyo Kabushiki Kaisha
- Masayoshi Ichikawa
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Process for producing β-sialon fluorescent material
- Patent number 8,709,282
- Issue date Apr 29, 2014
- Denki Kagaku Kogyo Kabushiki Kaisha
- Masayoshi Ichikawa
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Abnormality detecting apparatus for detecting abnormality at interf...
- Patent number 8,422,762
- Issue date Apr 16, 2013
- Advantest Corporation
- Masayoshi Ichikawa
- G01 - MEASURING TESTING
Information Patent Grant
Electronic device testing apparatus
- Patent number 8,363,924
- Issue date Jan 29, 2013
- Advantest Corporation
- Katsuhiko Ikeda
- G01 - MEASURING TESTING
Information Patent Grant
Light-emitting element including a fusion-bonding portion on contac...
- Patent number 8,017,967
- Issue date Sep 13, 2011
- Toyoda Gosei Co., Ltd.
- Yoshinobu Suehiro
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Position detection apparatus, position detection method, testing ap...
- Patent number 7,525,593
- Issue date Apr 28, 2009
- Advantest Corporation
- Masayoshi Ichikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Position detecting apparatus, a position detecting method and an el...
- Patent number 7,471,819
- Issue date Dec 30, 2008
- Advantest Corporation
- Masayoshi Ichikawa
- G01 - MEASURING TESTING
Information Patent Grant
Solid state device and light-emitting element
- Patent number 7,417,220
- Issue date Aug 26, 2008
- Toyoda Gosei Co., Ltd.
- Yoshinobu Suehiro
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electronic device with integrally formed light emitting device and...
- Patent number 7,253,443
- Issue date Aug 7, 2007
- Advantest Corporation
- Minako Yoshida
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Processing apparatus, processing method and position detecting device
- Patent number 7,193,728
- Issue date Mar 20, 2007
- Advantest Corporation
- Masayoshi Ichikawa
- G01 - MEASURING TESTING
Information Patent Grant
Position detection apparatus, position detection method, electronic...
- Patent number 7,049,608
- Issue date May 23, 2006
- Advantest Corp.
- Takahiro Yamaguchi
- G01 - MEASURING TESTING
Information Patent Grant
Image processing apparatus and method for image processing
- Patent number 6,584,236
- Issue date Jun 24, 2003
- Advantest Corporation
- Kazuyuki Maruo
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Automobile weatherstripping
- Patent number 6,500,561
- Issue date Dec 31, 2002
- Toyoda Gosei Co., Ltd.
- Toru Yoshida
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Method and apparatus for acquiring an image for inspection of a fla...
- Patent number 6,362,802
- Issue date Mar 26, 2002
- Advantest Corporation
- Kiyoshi Fujiwara
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method of manufacturing devulcanized rubber using high temperature...
- Patent number 6,133,413
- Issue date Oct 17, 2000
- Kabushiki Kaisha Toyota Chuo Kenkyusho
- Makoto Mouri
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Automobile weather strip and method for making the same
- Patent number 6,110,546
- Issue date Aug 29, 2000
- Toyoda Gosei Co., Ltd
- Hidenobu Honda
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Rubber layer structure
- Patent number 6,071,582
- Issue date Jun 6, 2000
- Toyoda Gosei Co., Ltd.
- Koichi Tangiku
- B32 - LAYERED PRODUCTS
Information Patent Grant
Layered molding
- Patent number 6,037,062
- Issue date Mar 14, 2000
- Toyoda Gosei Co., Ltd.
- Daisuke Tsutsumi
- B32 - LAYERED PRODUCTS
Information Patent Grant
Method of manufacturing composite material of clay mineral and rubber
- Patent number 5,936,023
- Issue date Aug 10, 1999
- Kabushiki Kaisha Toyota Chuo Kenkyusho
- Makoto Kato
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
FLUORIDE PHOSPHOR, COMPLEX, AND LIGHT-EMITTING DEVICE
- Publication number 20230313035
- Publication date Oct 5, 2023
- DENKA COMPANY LIMITED
- Masayoshi ICHIKAWA
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
POTASSIUM HEXAFLUOROMANGANATE, AND METHOD FOR PRODUCING MANGANESE-A...
- Publication number 20220356074
- Publication date Nov 10, 2022
- DENKA COMPANY LIMITED
- Masayoshi ICHIKAWA
- C01 - INORGANIC CHEMISTRY
Information Patent Application
POTASSIUM HEXAFLUOROMANGANATE, METHOD FOR PRODUCING POTASSIUM HEXAF...
- Publication number 20220348478
- Publication date Nov 3, 2022
- DENKA COMPANY LIMITED
- Masayoshi ICHIKAWA
- C01 - INORGANIC CHEMISTRY
Information Patent Application
FLUORIDE PHOSPHOR AND LIGHT-EMITTING DEVICE USING SAME
- Publication number 20200135983
- Publication date Apr 30, 2020
- DENKA COMPANY LIMITED
- Masayoshi ICHIKAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
FLUORIDE PHOSPHOR AND LIGHT-EMITTING DEVICE USING SAME
- Publication number 20200095501
- Publication date Mar 26, 2020
- DENKA COMPANY LIMITED
- Masayoshi ICHIKAWA
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
FLUORIDE PHOSPHORS AND LIGHT EMITTING DEVICES USING THE SAME
- Publication number 20190071602
- Publication date Mar 7, 2019
- DENKA COMPANY LIMITED
- Shunsuke MITANI
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
FLUORIDE PHOSPHORS AND LIGHT EMITTING DEVICES USING THE SAME
- Publication number 20190062630
- Publication date Feb 28, 2019
- DENKA COMPANY LIMITED
- Shunsuke MITANI
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Fluorescent Fluoride, Light-Emitting Device, and Process for Produc...
- Publication number 20180282620
- Publication date Oct 4, 2018
- Denka Company Limited
- Masayoshi Ichikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
POTASSIUM FLUOROMANGANATE FOR USE AS RAW MATERIAL OF MANGANESE-ACTI...
- Publication number 20180094188
- Publication date Apr 5, 2018
- DENKA COMPANY LIMITED
- Hideyuki Emoto
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
PHOSPHOR AND LIGHT-EMITTING DEVICE
- Publication number 20180086973
- Publication date Mar 29, 2018
- DENKA COMPANY LIMITED
- Ryosuke KONDO
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Process for Producing Fluorescent Material
- Publication number 20180016494
- Publication date Jan 18, 2018
- DENKA COMPANY LIMITED
- Masayoshi Ichikawa
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Phosphor, Light Emitting Element, and Light Emitting Device
- Publication number 20170009133
- Publication date Jan 12, 2017
- DENKA COMPANY LIMITED
- Hideyuki EMOTO
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
PHOSPHOR, LIGHT EMITTING ELEMENT, AND LIGHT EMITTING DEVICE
- Publication number 20170012181
- Publication date Jan 12, 2017
- DENKA COMPANY LIMITED
- Hideyuki EMOTO
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
METHOD FOR PRODUCING PHOSPHOR
- Publication number 20150307353
- Publication date Oct 29, 2015
- DENKI KAGAKU KOGYO KABUSHIKI KAISHA
- Ryozo NONOGAKI
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
METHOD OF PRODUCING B-SIALON, B-SIALON, AND PRODUCTS USING THE SAME
- Publication number 20130106277
- Publication date May 2, 2013
- DENKI KAGUKAU KABUSHIKI KASHA
- Masayoshi Ichikawa
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
B-SIALON AND METHOD OF MANUFACTURING THEREOF, AND LIGHT-EMITTING DE...
- Publication number 20130093314
- Publication date Apr 18, 2013
- Denki Kagaku Kogyo Kabushiki Kaisha
- Go Takeda
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
beta-SIALON, METHOD FOR MANUFACTURING THE SAME, AND LIGHT-EMITTING...
- Publication number 20120313507
- Publication date Dec 13, 2012
- KAGAKU KOGYO KABUSHIKI KAISHA
- Hisayuki Hashimoto
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
PROCESS FOR PRODUCING BETA-SIALON FLUORESCENT MATERIAL
- Publication number 20120211700
- Publication date Aug 23, 2012
- Masayoshi Ichikawa
- C01 - INORGANIC CHEMISTRY
Information Patent Application
ABNORMALITY DETECTING APPARATUS FOR DETECTING ABNORMALITY AT INTERF...
- Publication number 20100239155
- Publication date Sep 23, 2010
- Advantest Corporation
- Masayoshi Ichikawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Electronic Device Handling Apparatus
- Publication number 20090136118
- Publication date May 28, 2009
- Advantest Corporation
- Masayoshi Ichikawa
- G01 - MEASURING TESTING
Information Patent Application
ELECTRONIC DEVICE TESTING APPARATUS
- Publication number 20090127068
- Publication date May 21, 2009
- Advantest Corporation
- Katsuhiko Ikeda
- G01 - MEASURING TESTING
Information Patent Application
Solid state device and light-emitting element
- Publication number 20080252212
- Publication date Oct 16, 2008
- TOYODA GOSEI CO., LTD
- Yoshinobu Suehiro
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Electronic Device Handling Apparatus and Defective Terminal Determi...
- Publication number 20080059095
- Publication date Mar 6, 2008
- Advantest Corporation
- Masayoshi Ichikawa
- G01 - MEASURING TESTING
Information Patent Application
Position detection apparatus, position detection method, testing ap...
- Publication number 20060187337
- Publication date Aug 24, 2006
- Masayoshi Ichikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Solid state device and light-emitting element
- Publication number 20060049335
- Publication date Mar 9, 2006
- Toyoda Gosei Co., Ltd.
- Yoshinobu Suehiro
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Position detecting apparatus, a position detecting method and an el...
- Publication number 20050249397
- Publication date Nov 10, 2005
- Advantest Corporation
- Masayoshi Ichikawa
- G01 - MEASURING TESTING
Information Patent Application
Image matching method, image matching apparatus, and wafer processor
- Publication number 20040146194
- Publication date Jul 29, 2004
- Masayoshi Ichikawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Position detection apparatus, position detection method, electronic...
- Publication number 20040099819
- Publication date May 27, 2004
- Takahiro Yamaguchi
- G01 - MEASURING TESTING
Information Patent Application
Processing apparatus, processing method and position detecting device
- Publication number 20040027586
- Publication date Feb 12, 2004
- Masayoshi Ichikawa
- G01 - MEASURING TESTING
Information Patent Application
Electronic device and supporting member
- Publication number 20040016930
- Publication date Jan 29, 2004
- Minako Yoshida
- H01 - BASIC ELECTRIC ELEMENTS

Masayoshi Ichikawa

Person

Patents Grantslast 30 patents

Fluoride phosphor and light-emitting device using same

Fluoride phosphor and light-emitting device using same

Fluoride phosphor and light-emitting device using same

Fluorescent fluoride, light-emitting device, and process for produc...

Process for producing fluorescent material

Potassium fluoromanganate for use as raw material of manganese-acti...

Fluoride phosphors and light emitting devices using the same

Method for producing phosphor

Phosphor, light emitting element, and light emitting device

Phosphor, light emitting element, and light emitting device

β-sialon and method of manufacturing thereof, and light-emitting de...

Method of producing β-SiAION, β-SiAION, and products using the same

Process for producing β-sialon fluorescent material

Abnormality detecting apparatus for detecting abnormality at interf...

Electronic device testing apparatus

Light-emitting element including a fusion-bonding portion on contac...

Position detection apparatus, position detection method, testing ap...

Position detecting apparatus, a position detecting method and an el...

Solid state device and light-emitting element

Electronic device with integrally formed light emitting device and...

Processing apparatus, processing method and position detecting device

Position detection apparatus, position detection method, electronic...

Image processing apparatus and method for image processing

Automobile weatherstripping

Method and apparatus for acquiring an image for inspection of a fla...

Method of manufacturing devulcanized rubber using high temperature...

Automobile weather strip and method for making the same

Rubber layer structure

Layered molding

Method of manufacturing composite material of clay mineral and rubber

Patents Applicationslast 30 patents

FLUORIDE PHOSPHOR, COMPLEX, AND LIGHT-EMITTING DEVICE

POTASSIUM HEXAFLUOROMANGANATE, AND METHOD FOR PRODUCING MANGANESE-A...

POTASSIUM HEXAFLUOROMANGANATE, METHOD FOR PRODUCING POTASSIUM HEXAF...

FLUORIDE PHOSPHOR AND LIGHT-EMITTING DEVICE USING SAME

FLUORIDE PHOSPHOR AND LIGHT-EMITTING DEVICE USING SAME

FLUORIDE PHOSPHORS AND LIGHT EMITTING DEVICES USING THE SAME

FLUORIDE PHOSPHORS AND LIGHT EMITTING DEVICES USING THE SAME

Fluorescent Fluoride, Light-Emitting Device, and Process for Produc...

POTASSIUM FLUOROMANGANATE FOR USE AS RAW MATERIAL OF MANGANESE-ACTI...

PHOSPHOR AND LIGHT-EMITTING DEVICE

Process for Producing Fluorescent Material

Phosphor, Light Emitting Element, and Light Emitting Device

PHOSPHOR, LIGHT EMITTING ELEMENT, AND LIGHT EMITTING DEVICE

METHOD FOR PRODUCING PHOSPHOR

METHOD OF PRODUCING B-SIALON, B-SIALON, AND PRODUCTS USING THE SAME

B-SIALON AND METHOD OF MANUFACTURING THEREOF, AND LIGHT-EMITTING DE...

beta-SIALON, METHOD FOR MANUFACTURING THE SAME, AND LIGHT-EMITTING...

PROCESS FOR PRODUCING BETA-SIALON FLUORESCENT MATERIAL

ABNORMALITY DETECTING APPARATUS FOR DETECTING ABNORMALITY AT INTERF...

Electronic Device Handling Apparatus

ELECTRONIC DEVICE TESTING APPARATUS

Solid state device and light-emitting element

Electronic Device Handling Apparatus and Defective Terminal Determi...

Position detection apparatus, position detection method, testing ap...

Solid state device and light-emitting element

Position detecting apparatus, a position detecting method and an el...

Image matching method, image matching apparatus, and wafer processor

Position detection apparatus, position detection method, electronic...

Processing apparatus, processing method and position detecting device

Electronic device and supporting member