Fumio Arai

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Numazu, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for molding optical glass elements or the like
- Patent number 5,346,522
- Issue date Sep 13, 1994
- Toshiba Machine Co., Ltd.
- Yoshizo Komiyama
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method for molding optical glass elements
- Patent number 5,340,374
- Issue date Aug 23, 1994
- Toshiba Kikai Kabushiki Kaisha
- Yoshizo Komiyama
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Apparatus for molding optical glass elements
- Patent number 5,282,878
- Issue date Feb 1, 1994
- Toshiba Kikai Kabushiki Kaisha
- Yoshizo Komiyama
- C03 - GLASS MINERAL OR SLAG WOOL