Tadatoshi Maeda

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Coloring composition for solid-state imaging element
- Patent number 11,614,574
- Issue date Mar 28, 2023
- Toppan Printing Co., Ltd.
- Tomotaka Chuko
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Pattern-formed substrate, color filter and liquid crystal display e...
- Patent number 7,907,237
- Issue date Mar 15, 2011
- Toppan Printing Co., Ltd.
- Tadatoshi Maeda
- G02 - OPTICS
Information Patent Grant
Alkali-developable, colored photosensitive resin composition and co...
- Patent number 7,846,622
- Issue date Dec 7, 2010
- Toppan Printing Co., Ltd.
- Yasuyuki Demachi
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
PHOTOSENSITIVE COLORING COMPOSITIONS FOR INFRARED PASS FILTERS, INF...
- Publication number 20240280727
- Publication date Aug 22, 2024
- TOPPAN Holdings Inc.
- Tetsuya HIROTA
- G02 - OPTICS
Information Patent Application
SOLID-STATE IMAGE SENSOR FILTER AND SOLID-STATE IMAGE SENSOR
- Publication number 20210358983
- Publication date Nov 18, 2021
- Toppan Printing Co., Ltd.
- Reiko Iwata
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
COLORING COMPOSITION FOR SOLID-STATE IMAGING ELEMENT
- Publication number 20200018878
- Publication date Jan 16, 2020
- TOYO INK SC HOLDINGS CO., LTD
- Tomotaka Chuko
- G02 - OPTICS
Information Patent Application
Pattern-Formed Substrate, Color Filter And Liquid Crystal Display E...
- Publication number 20100195029
- Publication date Aug 5, 2010
- Toppan Printing Co., Ltd.
- Tadatoshi Maeda
- G02 - OPTICS
Information Patent Application
Alkali-Developable, Colored Photosensitive Resin Composition and Co...
- Publication number 20070269720
- Publication date Nov 22, 2007
- Toppan Printing Co., Ltd.
- Yasuyuki Demachi
- G02 - OPTICS