Tsuyoshi NAGAHAMA

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Saitama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Light-blocking member, black resin composition, and black resin mol...
- Patent number 11,780,987
- Issue date Oct 10, 2023
- Kimoto Co., Ltd.
- Tsuyoshi Nagahama
- B32 - LAYERED PRODUCTS
Information Patent Grant
Multilayer light-blocking film, and light-blocking ring for optical...
- Patent number 11,256,006
- Issue date Feb 22, 2022
- KIMOTO CO, LTD.
- Tsuyoshi Nagahama
- G02 - OPTICS
Information Patent Grant
Light-blocking member, black resin composition, and black resin mol...
- Patent number 10,975,253
- Issue date Apr 13, 2021
- Kimoto Co., Ltd.
- Tsuyoshi Nagahama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Light-blocking material for optical devices, and production method...
- Patent number 10,634,825
- Issue date Apr 28, 2020
- Kimoto Co., Ltd.
- Tsuyoshi Nagahama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
MULTILAYER LIGHT-BLOCKING FILM, AND LIGHT-BLOCKING RING FOR OPTICAL...
- Publication number 20200088916
- Publication date Mar 19, 2020
- KIMOTO CO., LTD.
- Tsuyoshi NAGAHAMA
- G02 - OPTICS
Information Patent Application
MULTILAYER LIGHT-BLOCKING FILM, AND LIGHT-BLOCKING RING FOR OPTICAL...
- Publication number 20200088969
- Publication date Mar 19, 2020
- KIMOTO CO., LTD.
- Tsuyoshi NAGAHAMA
- B32 - LAYERED PRODUCTS
Information Patent Application
MULTILAYER LIGHT-BLOCKING FILM, AND LIGHT-BLOCKING RING FOR OPTICAL...
- Publication number 20190227202
- Publication date Jul 25, 2019
- KIMOTO CO., LTD.
- Tsuyoshi NAGAHAMA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
LIGHT-BLOCKING MEMBER, BLACK RESIN COMPOSITION, AND BLACK RESIN MOL...
- Publication number 20180134862
- Publication date May 17, 2018
- KIMOTO CO., LTD.
- Tsuyoshi NAGAHAMA
- B32 - LAYERED PRODUCTS
Information Patent Application
LIGHT-BLOCKING MEMBER, BLACK RESIN COMPOSITION, AND BLACK RESIN MOL...
- Publication number 20180118959
- Publication date May 3, 2018
- KIMOTO CO., LTD.
- Tsuyoshi NAGAHAMA
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Application
LIGHT-BLOCKING MATERIAL FOR OPTICAL DEVICES, AND PRODUCTION METHOD...
- Publication number 20170146701
- Publication date May 25, 2017
- KIMOTO CO., LTD.
- Tsuyoshi NAGAHAMA
- G02 - OPTICS