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Marina TAKAMURA
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Omuta-city, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Red fluorescent body and light-emitting device
Patent number
11,932,792
Issue date
Mar 19, 2024
DENKA COMPANY LIMITED
Yusuke Takeda
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Red phosphor and light emitting device
Patent number
11,795,391
Issue date
Oct 24, 2023
DENKA COMPANY LIMITED
Yusuke Takeda
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Phosphor particle, composite, light-emitting device, and method for...
Patent number
11,485,906
Issue date
Nov 1, 2022
DENKA COMPANY LIMITED
Tomohiro Nomiyama
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Red phosphor and light emission device
Patent number
11,380,822
Issue date
Jul 5, 2022
DENKA COMPANY LIMITED
Tomohiro Nomiyama
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Phosphor powder, composite, and light-emitting device
Patent number
11,359,139
Issue date
Jun 14, 2022
DENKA COMPANY LIMITED
Yusuke Takeda
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Phosphor particle, composite, light-emitting device, and method for...
Patent number
11,339,325
Issue date
May 24, 2022
DENKA COMPANY LIMITED
Tomohiro Nomiyama
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
PHOSPHOR POWDER, COMPOSITE, LIGHT-EMITTING DEVICE, AND METHOD FOR P...
Publication number
20230348780
Publication date
Nov 2, 2023
DENKA COMPANY LIMITED
Moeko TANAKA
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
NITRIDE FLUORESCENT MATERIAL AND LIGHT EMISSION DEVICE
Publication number
20220154070
Publication date
May 19, 2022
DENKA COMPANY LIMITED
Marina TAKAMURA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
PHOSPHOR POWDER, COMPOSITE, AND LIGHT-EMITTING DEVICE
Publication number
20220089945
Publication date
Mar 24, 2022
DENKA COMPANY LIMITED
Yusuke TAKEDA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
PHOSPHOR PARTICLE, COMPOSITE, LIGHT-EMITTING DEVICE, AND METHOD FOR...
Publication number
20220089947
Publication date
Mar 24, 2022
DENKA COMPANY LIMITED
Tomohiro NOMIYAMA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
PHOSPHOR PARTICLE, COMPOSITE, LIGHT-EMITTING DEVICE, AND METHOD FOR...
Publication number
20220089946
Publication date
Mar 24, 2022
DENKA COMPANY LIMITED
Tomohiro NOMIYAMA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
RED PHOSPHOR AND LIGHT EMITTING DEVICE
Publication number
20210207026
Publication date
Jul 8, 2021
DENKA COMPANY LIMITED
Yusuke TAKEDA
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
RED FLUORESCENT BODY AND LIGHT-EMITTING DEVICE
Publication number
20210009896
Publication date
Jan 14, 2021
DENKA COMPANY LIMITED
Yusuke TAKEDA
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
RED PHOSPHOR AND LIGHT EMISSION DEVICE
Publication number
20200251619
Publication date
Aug 6, 2020
DENKA COMPANY LIMITED
Tomohiro NOMIYAMA
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...