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Masashi KAWASHITA
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Display having sub-wavelength polygonal periodic elements
Patent number
11,867,933
Issue date
Jan 9, 2024
Toppan Printing Co., Ltd.
Hidemitsu Hakii
G02 - OPTICS
Information
Patent Grant
Color developing structure having concave-convex layer, method for...
Patent number
11,592,605
Issue date
Feb 28, 2023
Toppan Printing Co., Ltd.
Kaoru Furuta
B32 - LAYERED PRODUCTS
Information
Patent Grant
Display and method of producing display
Patent number
11,398,166
Issue date
Jul 26, 2022
Toppan Printing Co., Ltd.
Masashi Kawashita
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Optical device, display body, device provided with a display body,...
Patent number
11,097,568
Issue date
Aug 24, 2021
Toppan Printing Co., Ltd.
Masashi Kawashita
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information
Patent Grant
Optical device, display body, device provided with a display body,...
Patent number
11,059,318
Issue date
Jul 13, 2021
Toppan Printing Co., Ltd.
Masashi Kawashita
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information
Patent Grant
Color developing structure and method of producing the same
Patent number
10,571,607
Issue date
Feb 25, 2020
Toppan Printing Co., Ltd.
Masashi Kawashita
B32 - LAYERED PRODUCTS
Patents Applications
last 30 patents
Information
Patent Application
OPTICAL DEVICE AND METHOD OF PRODUCING OPTICAL DEVICE
Publication number
20220381973
Publication date
Dec 1, 2022
TOPPAN INC.
Yukari ODA
G02 - OPTICS
Information
Patent Application
WAVELENGTH SELECTIVE FILTER, DISPLAY, OPTICAL DEVICE, AND METHOD OF...
Publication number
20220113458
Publication date
Apr 14, 2022
TOPPAN INC.
Masashi KAWASHITA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
WAVELENGTH SELECTION FILTER, METHOD OF MANUFACTURING WAVELENGTH SEL...
Publication number
20210382215
Publication date
Dec 9, 2021
Toppan Printing Co., Ltd.
Masashi KAWASHITA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
DISPLAY AND METHOD OF PRODUCING DISPLAY
Publication number
20210294096
Publication date
Sep 23, 2021
Toppan Printing Co.,Ltd.
Mai YOSHIMURA
G02 - OPTICS
Information
Patent Application
COLOR PRODUCTION STRUCTURE
Publication number
20210215864
Publication date
Jul 15, 2021
Toppan Printing Co., Ltd.
Masashi KAWASHITA
B32 - LAYERED PRODUCTS
Information
Patent Application
TRANSFER SHEET, COLOR DEVELOPING SHEET, COLOR DEVELOPING ARTICLE, A...
Publication number
20210132271
Publication date
May 6, 2021
Toppan Printing Co., Ltd.
Masashi Kawashita
G02 - OPTICS
Information
Patent Application
DISPLAY, DEVICE WITH DISPLAY, AND METHOD OF PRODUCING DISPLAY
Publication number
20200284959
Publication date
Sep 10, 2020
Toppan Printing Co., Ltd.
Hidemitsu HAKII
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information
Patent Application
COLOR DEVELOPING STRUCTURE, DISPLAY, AND METHOD FOR PRODUCING COLOR...
Publication number
20200132900
Publication date
Apr 30, 2020
Toppan Printing Co., Ltd.
Kaoru FURUTA
G02 - OPTICS
Information
Patent Application
COLOR DEVELOPING STRUCTURE, DISPLAY, COLOR-PRODUCING SHEET, MOLDING...
Publication number
20190329527
Publication date
Oct 31, 2019
Toppan Printing Co., Ltd.
Mai Yoshimura
B32 - LAYERED PRODUCTS
Information
Patent Application
DISPLAY AND METHOD OF PRODUCING DISPLAY
Publication number
20190333418
Publication date
Oct 31, 2019
Toppan Printing Co., Ltd.
Masashi KAWASHITA
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information
Patent Application
OPTICAL DEVICE, DISPLAY BODY, DEVICE PROVIDED WITH A DISPLAY BODY,...
Publication number
20190143736
Publication date
May 16, 2019
Toppan Printing Co., Ltd.
Masashi KAWASHITA
G02 - OPTICS
Information
Patent Application
COLOR DEVELOPING STRUCTURE AND METHOD OF PRODUCING THE SAME
Publication number
20180143358
Publication date
May 24, 2018
Toppan Printing Co., Ltd.
Masashi KAWASHITA
B32 - LAYERED PRODUCTS