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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Phosphor plate and light emitting device using the same
Patent number
11,807,791
Issue date
Nov 7, 2023
DENKA COMPANY LIMITED
Taiyo Yamaura
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Phosphor powder, composite, and light-emitting device
Patent number
11,434,422
Issue date
Sep 6, 2022
DENKA COMPANY LIMITED
Tomohiro Nomiyama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Phosphor and light-emitting device using same
Patent number
11,279,876
Issue date
Mar 22, 2022
DENKA COMPANY LIMITED
Hiroaki Toyoshima
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
PHOSPHOR PLATE AND LIGHT EMITTING DEVICE
Publication number
20240145640
Publication date
May 2, 2024
DENKA COMPANY LIMITED
Yuki KUBOTA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
PHOSPHOR PLATE AND LIGHT EMITTING DEVICE
Publication number
20230113551
Publication date
Apr 13, 2023
DENKA COMPANY LIMITED
Kazuya SUGITA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
PHOSPHOR PLATE AND LIGHT EMITTING DEVICE
Publication number
20230107808
Publication date
Apr 6, 2023
DENKA COMPANY LIMITED
Yuki KUBOTA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
PHOSPHOR PLATE AND LIGHT EMITTING DEVICE
Publication number
20230053528
Publication date
Feb 23, 2023
DENKA COMPANY LIMITED
Yuki KUBOTA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
PHOSPHOR PLATE, LIGHT EMITTING DEVICE, AND METHOD FOR MANUFACTURING...
Publication number
20220399480
Publication date
Dec 15, 2022
DENKA COMPANY LIMITED
Taiyo YAMAURA
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
PHOSPHOR PLATE AND LIGHT EMITTING DEVICE USING THE SAME
Publication number
20220350061
Publication date
Nov 3, 2022
DENKA COMPANY LIMITED
Taiyo YAMAURA
C01 - INORGANIC CHEMISTRY
Information
Patent Application
PHOSPHOR PLATE AND LIGHT EMITTING DEVICE USING THE SAME
Publication number
20220251444
Publication date
Aug 11, 2022
DENKA COMPANY LIMITED
Taiyo YAMAURA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
PHOSPHOR POWDER, COMPOSITE, AND LIGHT-EMITTING DEVICE
Publication number
20220145177
Publication date
May 12, 2022
DENKA COMPANY LIMITED
Tomohiro NOMIYAMA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
PHOSPHOR AND LIGHT-EMITTING DEVICE USING SAME
Publication number
20210017448
Publication date
Jan 21, 2021
DENKA COMPANY LIMITED
Hiroaki TOYOSHIMA
C01 - INORGANIC CHEMISTRY