Toyoko Giken Co., Ltd.

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for coloring concrete
- Patent number 5,534,214
- Issue date Jul 9, 1996
- Toyoko Giken Co., Ltd.
- Nobuyuki Sakamoto
- E04 - BUILDING
Information Patent Grant
Concrete coloring material and process for coloring concrete
- Patent number 5,476,722
- Issue date Dec 19, 1995
- Toyoko Giken Co., Ltd.
- Nobuyuki Sakamoto
- E04 - BUILDING

Patents Applicationslast 30 patents

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