Koji Hirakura

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Tokyo, JA

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Patents Grantslast 30 patents

Information Patent Grant
Inorganic photoconductor in glass binds with glass overcoat layer
- Patent number 4,015,984
- Issue date Apr 5, 1977
- Kabushiki Kaisha Ricoh
- Wasaburo Ohta
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY