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DAI-ICHI SHOMEI CO., LTD
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TOKYO 174-0043, JP
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Patents Grants
last 30 patents
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Patent Grant
Ceiling-mounted type lighting device
Patent number
11,746,970
Issue date
Sep 5, 2023
ELCO CO., LTD
Michiru Sasaki
F21 - LIGHTING
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Patents Applications
last 30 patents
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Patent Application
Ceiling-Mounted Type Lighting Device
Publication number
20220178507
Publication date
Jun 9, 2022
ELCO CO., LTD
Michiru Sasaki
F21 - LIGHTING
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Patent Application
Medical lighting apparatus
Publication number
20070041167
Publication date
Feb 22, 2007
Dai-Ichi Shomei Co., Ltd.
Akio Nachi
F21 - LIGHTING