Yoshifumi TSUTAI

Person

Tomiya-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Wavelength conversion member
- Patent number 11,060,020
- Issue date Jul 13, 2021
- NGK Spark Plug Co., Ltd.
- Toshimitsu Kikuchi
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Wavelength conversion member and light-emitting device
- Patent number 10,707,385
- Issue date Jul 7, 2020
- NGK Spark Plug Co., Ltd.
- Yoshifumi Tsutai
- G02 - OPTICS
Information Patent Grant
Wavelength conversion member, manufacturing method therefor, and li...
- Patent number 10,612,762
- Issue date Apr 7, 2020
- NGK Spark Plug Co., Ltd.
- Yumi Sato
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Wavelength conversion member, production method therefor, and light...
- Patent number 10,590,341
- Issue date Mar 17, 2020
- NGK Spark Plug Co., Ltd.
- Yumi Sato
- F21 - LIGHTING
Information Patent Grant
Wavelength conversion member and light-emitting device
- Patent number 10,508,801
- Issue date Dec 17, 2019
- NGK Spark Plug Co., Ltd.
- Yumi Sato
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

Information Patent Application
YTTRIUM OXIDE-BASED SINTERED BODY, PRODUCTION METHOD THEREFOR, AND...
- Publication number 20220306542
- Publication date Sep 29, 2022
- NGK SPARK PLUG CO., LTD.
- Yuki TAKAHASHI
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
WAVELENGTH CONVERSION MEMBER
- Publication number 20190316034
- Publication date Oct 17, 2019
- NGK Spark Plug Co., Ltd.
- Toshimitsu KIKUCHI
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
WAVELENGTH CONVERSION MEMBER AND LIGHT-EMITTING DEVICE
- Publication number 20190273190
- Publication date Sep 5, 2019
- NGK Spark Plug Co., Ltd.
- Yoshifumi TSUTAI
- F21 - LIGHTING
Information Patent Application
WAVELENGTH CONVERSION MEMBER, PRODUCTION METHOD THEREFOR, AND LIGHT...
- Publication number 20190127636
- Publication date May 2, 2019
- NGK SPARK PLUG CO., LTD.
- Yumi SATO
- F21 - LIGHTING
Information Patent Application
WAVELENGTH CONVERSION MEMBER, MANUFACTURING METHOD THEREFOR, AND LI...
- Publication number 20190093871
- Publication date Mar 28, 2019
- NGK SPARK PLUG CO., LTD.
- Yumi SATO
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
WAVELENGTH CONVERSION MEMBER AND LIGHT-EMITTING DEVICE
- Publication number 20190024879
- Publication date Jan 24, 2019
- NGK Spark Plug Co., Ltd.
- Yumi SATO
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Yoshifumi TSUTAI

Person

Patents Grantslast 30 patents

Wavelength conversion member

Wavelength conversion member and light-emitting device

Wavelength conversion member, manufacturing method therefor, and li...

Wavelength conversion member, production method therefor, and light...

Wavelength conversion member and light-emitting device

Patents Applicationslast 30 patents

YTTRIUM OXIDE-BASED SINTERED BODY, PRODUCTION METHOD THEREFOR, AND...

WAVELENGTH CONVERSION MEMBER

WAVELENGTH CONVERSION MEMBER AND LIGHT-EMITTING DEVICE

WAVELENGTH CONVERSION MEMBER, PRODUCTION METHOD THEREFOR, AND LIGHT...

WAVELENGTH CONVERSION MEMBER, MANUFACTURING METHOD THEREFOR, AND LI...

WAVELENGTH CONVERSION MEMBER AND LIGHT-EMITTING DEVICE