Fukuoka Tokushugarasu Kabushiki Kaisha

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Patents Grantslast 30 patents

Information Patent Grant
High refractive index glass composition
- Patent number 4,141,742
- Issue date Feb 27, 1979
- Fukuoka Tokushugarasu Kabushiki Kaisha
- Nobuyuki Nakajima
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
High refractive index glass compositions
- Patent number 4,082,427
- Issue date Apr 4, 1978
- Fukuoka Tokushu Garasu Kabushiki Kaisha
- Nobuyuki Nakashima
- G02 - OPTICS

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