Yoshitaka MATSUBARA

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Taito-ku, JP

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Patents Grantslast 30 patents

Information Patent Grant
Light control sheet and light control device
- Patent number 12,210,238
- Issue date Jan 28, 2025
- TOPPAN INC.
- Yoshitaka Matsubara
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
LIGHT CONTROL SHEETS
- Publication number 20250216712
- Publication date Jul 3, 2025
- TOPPAN Holdings Inc.
- Yoshitaka MATSUBARA
- G02 - OPTICS
Information Patent Application
LIGHT CONTROL SHEET
- Publication number 20240361642
- Publication date Oct 31, 2024
- TOPPAN Holdings Inc.
- Yoshitaka MATSUBARA
- G02 - OPTICS
Information Patent Application
LIGHT CONTROL SHEET AND LIGHT CONTROL DEVICE
- Publication number 20240176180
- Publication date May 30, 2024
- TOPPAN INC.
- Yoshitaka MATSUBARA
- G02 - OPTICS