Hiroki ICHIBA

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Phosphor protective film, wavelength conversion sheet with release...
- Patent number 12,074,261
- Issue date Aug 27, 2024
- Toppan Printing Co., Ltd.
- Hiroki Ichiba
- B32 - LAYERED PRODUCTS
Information Patent Grant
Phosphor protection film, wavelength conversion sheet, and light-em...
- Patent number 11,561,328
- Issue date Jan 24, 2023
- Toppan Printing Co., Ltd.
- Hiroki Ichiba
- B32 - LAYERED PRODUCTS
Information Patent Grant
Optical film, and optical barrier film, color conversion film and b...
- Patent number 11,397,287
- Issue date Jul 26, 2022
- Toppan Printing Co., Ltd.
- Hiroki Ichiba
- B32 - LAYERED PRODUCTS

Patents Applicationslast 30 patents

Information Patent Application
PHOSPHOR PROTECTIVE FILM, WAVELENGTH CONVERSION SHEET WITH RELEASE...
- Publication number 20210249568
- Publication date Aug 12, 2021
- Toppan Printing Co., Ltd.
- Hiroki ICHIBA
- B32 - LAYERED PRODUCTS
Information Patent Application
OPTICAL FILM, AND OPTICAL BARRIER FILM, COLOR CONVERSION FILM AND B...
- Publication number 20190285776
- Publication date Sep 19, 2019
- Toppan Printing Co., Ltd.
- Hiroki ICHIBA
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
PHOSPHOR PROTECTION FILM, WAVELENGTH CONVERSION SHEET, AND LIGHT-EM...
- Publication number 20190187338
- Publication date Jun 20, 2019
- Toppan Printing Co., Ltd.
- Hiroki ICHIBA
- G02 - OPTICS