Isao Kondoh

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Ikeda, JP

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Patents Grantslast 30 patents

Information Patent Grant
Glass having refractive index distribution
- Patent number 5,392,375
- Issue date Feb 21, 1995
- Agency of Industrial Science and Technology
- Naoyuki Kitamura
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Process for producing rod glass having refractive index distribution
- Patent number 5,261,938
- Issue date Nov 16, 1993
- Agency of Industrial Science and Technology
- Naoyuki Kitamura
- C03 - GLASS MINERAL OR SLAG WOOL