Tokuei Aoki

Person

  • Miyagi, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Optical information record medium

    • Patent number 4,798,767
    • Issue date Jan 17, 1989
    • Sony Corporation
    • Tokuei Aoki
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...