Toshiaki Kurahashi

Person

Kounan-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Light wavelength conversion member and light-emitting device
- Patent number 11,945,987
- Issue date Apr 2, 2024
- NITERRA CO., LTD.
- Shohei Takaku
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Optical wavelength conversion member and light-emitting device
- Patent number 11,560,513
- Issue date Jan 24, 2023
- NGK Spark Plug Co., Ltd.
- Shohei Takaku
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Lead-free piezoelectric ceramic composition, piezoelectric element...
- Patent number 10,347,817
- Issue date Jul 9, 2019
- NGK Spark Plug Co., Ltd.
- Hisashi Kozuka
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Lead-free piezoelectric ceramic composition, piezoelectric element...
- Patent number 10,340,441
- Issue date Jul 2, 2019
- NGK Spark Plug Co., Ltd.
- Hisashi Kozuka
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Unleaded piezoelectric ceramic composition, piezoelectric element u...
- Patent number 9,938,197
- Issue date Apr 10, 2018
- NGK Spark Plug Co., Ltd.
- Masato Yamazaki
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Lead-free piezo-electric porcelain composition, piezo-electric elem...
- Patent number 9,871,187
- Issue date Jan 16, 2018
- NGK Spark Plug Co., Ltd.
- Masato Yamazaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Lead-free piezoelectric ceramic composition, method for producing s...
- Patent number 9,828,296
- Issue date Nov 28, 2017
- NGK Spark Plug Co., Ltd.
- Masato Yamazaki
- B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
LIGHT WAVELENGTH CONVERSION MEMBER AND LIGHT-EMITTING DEVICE
- Publication number 20210324266
- Publication date Oct 21, 2021
- NGK Spark Plug Co., Ltd.
- Shohei TAKAKU
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
OPTICAL WAVELENGTH CONVERSION MEMBER AND LIGHT-EMITTING DEVICE
- Publication number 20210246367
- Publication date Aug 12, 2021
- NGK Spark Plug Co., Ltd.
- Shohei TAKAKU
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
CERAMIC COMPOSITION, CUTTING TOOL, AND TOOL FOR FRICTION STIR WELDING
- Publication number 20190241475
- Publication date Aug 8, 2019
- NGK Spark Plug Co., Ltd.
- Yusuke KATSU
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
LEAD-FREE PIEZOELECTRIC CERAMIC COMPOSITION, PIEZOELECTRIC ELEMENT...
- Publication number 20170141293
- Publication date May 18, 2017
- NGK Spark Plug Co., Ltd.
- Hisashi KOZUKA
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
LEAD-FREE PIEZOELECTRIC CERAMIC COMPOSITION, PIEZOELECTRIC ELEMENT...
- Publication number 20170141292
- Publication date May 18, 2017
- NGK Spark Plug Co., Ltd.
- Hisashi KOZUKA
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
UNLEADED PIEZOELECTRIC CERAMIC COMPOSITION, PIEZOELECTRIC ELEMENT U...
- Publication number 20160052826
- Publication date Feb 25, 2016
- NGK Spark Plug Co., Ltd.
- Masato YAMAZAKI
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
LEAD-FREE PIEZO-ELECTRIC PORCELAIN COMPOSITION, PIEZO-ELECTRIC ELEM...
- Publication number 20150295162
- Publication date Oct 15, 2015
- NGK SPARK PLUG CO., LTD.
- Masato YAMAZAKI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LEAD-FREE PIEZOELECTRIC CERAMIC COMPOSITION, METHOD FOR PRODUCING S...
- Publication number 20140139070
- Publication date May 22, 2014
- NGK Spark Plug Co., Ltd.
- Masato Yamazaki
- B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL

Toshiaki Kurahashi

Person

Patents Grantslast 30 patents

Light wavelength conversion member and light-emitting device

Optical wavelength conversion member and light-emitting device

Lead-free piezoelectric ceramic composition, piezoelectric element...

Lead-free piezoelectric ceramic composition, piezoelectric element...

Unleaded piezoelectric ceramic composition, piezoelectric element u...

Lead-free piezo-electric porcelain composition, piezo-electric elem...

Lead-free piezoelectric ceramic composition, method for producing s...

Patents Applicationslast 30 patents

LIGHT WAVELENGTH CONVERSION MEMBER AND LIGHT-EMITTING DEVICE

OPTICAL WAVELENGTH CONVERSION MEMBER AND LIGHT-EMITTING DEVICE

CERAMIC COMPOSITION, CUTTING TOOL, AND TOOL FOR FRICTION STIR WELDING

LEAD-FREE PIEZOELECTRIC CERAMIC COMPOSITION, PIEZOELECTRIC ELEMENT...

LEAD-FREE PIEZOELECTRIC CERAMIC COMPOSITION, PIEZOELECTRIC ELEMENT...

UNLEADED PIEZOELECTRIC CERAMIC COMPOSITION, PIEZOELECTRIC ELEMENT U...

LEAD-FREE PIEZO-ELECTRIC PORCELAIN COMPOSITION, PIEZO-ELECTRIC ELEM...

LEAD-FREE PIEZOELECTRIC CERAMIC COMPOSITION, METHOD FOR PRODUCING S...