Masayuki TAKAHASHI

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Taito-ku, JP

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Patents Grantslast 30 patents

Information Patent Grant
Light control sheet
- Patent number 11,886,086
- Issue date Jan 30, 2024
- TOPPAN INC.
- Kaori Morinaga
- G02 - OPTICS
Information Patent Grant
Light control sheet and method of producing light control sheet
- Patent number 11,828,964
- Issue date Nov 28, 2023
- Toppan Printing Co., Ltd.
- Masayuki Takahashi
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Light control unit
- Patent number 11,543,719
- Issue date Jan 3, 2023
- Toppan Printing Co., Ltd.
- Masayuki Takahashi
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
LIGHT CONTROL SHEET
- Publication number 20230266629
- Publication date Aug 24, 2023
- TOPPAN INC.
- Kaori MORINAGA
- G02 - OPTICS
Information Patent Application
LIGHT CONTROL SHEET AND METHOD OF PRODUCING LIGHT CONTROL SHEET
- Publication number 20210208321
- Publication date Jul 8, 2021
- Toppan Printing Co., Ltd.
- Masayuki TAKAHASHI
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Application
LIGHT CONTROL UNIT
- Publication number 20210018809
- Publication date Jan 21, 2021
- Toppan Printing Co., Ltd.
- Masayuki TAKAHASHI
- G02 - OPTICS