Yoshimi Fujita

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Akishima, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for exposure of chemically machinable light-sensitive glass
- Patent number 4,444,616
- Issue date Apr 24, 1984
- Hoya Corporation
- Yoshimi Fujita
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method of exposure of chemically machineable light-sensitive glass
- Patent number 4,390,391
- Issue date Jun 28, 1983
- Hoya Corporation
- Yoshimi Fujita
- C03 - GLASS MINERAL OR SLAG WOOL