Katsuhiko Yamaji

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Sunshade
- Patent number 10,801,210
- Issue date Oct 13, 2020
- FRACTAL JAPAN CO., LTD.
- Katsuhiko Yamaji
- E04 - BUILDING

Patents Applicationslast 30 patents

Information Patent Application
SUNSHADE
- Publication number 20200399906
- Publication date Dec 24, 2020
- Fractal Japan Co., Ltd.
- Katsuhiko Yamaji
- E04 - BUILDING
Information Patent Application
SUNSHADE
- Publication number 20190338527
- Publication date Nov 7, 2019
- Fractal Japan Co., Ltd.
- Katsuhiko Yamaji
- E04 - BUILDING