Akira Kono

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Yamato-Koriyama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optically variable magnification mechanism
- Patent number 5,072,255
- Issue date Dec 10, 1991
- Sharp Kabushiki Kaisha
- Akira Kono
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY