Marii NISHIKAWA

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Patents Grantslast 30 patents

Information Patent Grant
Diffusing member, manufacturing method of diffusing member, planar...
- Patent number 12,353,092
- Issue date Jul 8, 2025
- Dai Nippon Printing Co., Ltd.
- Marii Nishikawa
- F21 - LIGHTING
Information Patent Grant
Diffusion member, stacked body, diffusion member set, LED backlight...
- Patent number 12,104,784
- Issue date Oct 1, 2024
- Dai Nippon Printing Co., Ltd.
- Marii Nishikawa
- F21 - LIGHTING

Patents Applicationslast 30 patents

Information Patent Application
SURFACE-EMITTING DEVICE, AND DISPLAY DEVICE
- Publication number 20250081687
- Publication date Mar 6, 2025
- DAI NIPPON PRINTING CO., LTD.
- Yoshihiro KANAI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
DIFFUSION MEMBER, STACKED BODY, DIFFUSION MEMBER SET, LED BACKLIGHT...
- Publication number 20240418341
- Publication date Dec 19, 2024
- DAI NIPPON PRINTING CO., LTD.
- Marii NISHIKAWA
- F21 - LIGHTING
Information Patent Application
SURFACE-EMITTING DEVICE, DISPLAY DEVICE, SEALING MEMBER SHEET FOR S...
- Publication number 20230378403
- Publication date Nov 23, 2023
- DAI NIPPON PRINTING CO., LTD.
- Keita ARIHARA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
DIFFUSING MEMBER, MANUFACTURING METHOD OF DIFFUSING MEMBER, PLANAR...
- Publication number 20230152626
- Publication date May 18, 2023
- DAI NIPPON PRINTING CO., LTD.
- Marii NISHIKAWA
- G02 - OPTICS
Information Patent Application
DIFFUSION MEMBER, STACKED BODY, DIFFUSION MEMBER SET, LED BACKLIGHT...
- Publication number 20220228722
- Publication date Jul 21, 2022
- DAI NIPPON PRINTING CO., LTD.
- Marii NISHIKAWA
- F21 - LIGHTING