Iwao Fujikawa

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Otsu, JP

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Patents Grantslast 30 patents

Information Patent Grant
Colored microfine globular particles, method for production thereof...
- Patent number 4,910,113
- Issue date Mar 20, 1990
- Nippon Shokubai Kagaku Kogyo Kabushiki Kaisha
- Yoshikuni Mori
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Coloring agent for dope-dyeing viscose rayon
- Patent number 4,767,807
- Issue date Aug 30, 1988
- Nippon Shokubai Kagaku Kogyo Co. Ltd.
- Iwao Fujikawa
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Spacers for liquid crystal display device
- Patent number 4,640,584
- Issue date Feb 3, 1987
- Nippon Shokubai Kagaku Kogyo Co., Ltd.
- Tsuneo Tsubakimoto
- G02 - OPTICS