Takumi Tsuji

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Chiba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical element and imaging apparatus
- Patent number 9,778,401
- Issue date Oct 3, 2017
- Sony Corporation
- Akito Kuriyama
- G02 - OPTICS
Information Patent Grant
Liquid crystal light control element, lens barrel, and imaging device
- Patent number 7,573,524
- Issue date Aug 11, 2009
- Sony Corporation
- Takumi Tsuji
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
IMAGING APPARATUS AND LENS APPARATUS
- Publication number 20230408889
- Publication date Dec 21, 2023
- SONY GROUP CORPORATION
- Tetsu OGAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
OPTICAL ELEMENT AND IMAGING APPARATUS
- Publication number 20150277001
- Publication date Oct 1, 2015
- SONY CORPORATION
- AKITO KURIYAMA
- G02 - OPTICS
Information Patent Application
Liquid crystal light control element, lens barrel, and imaging device
- Publication number 20050195313
- Publication date Sep 8, 2005
- Takumi Tsuji
- G02 - OPTICS