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Eiki Ishijima

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Patents Grantslast 30 patents

  • Information Patent Grant

    Projection-type video display apparatus
    • Patent number 10,782,604
    • Issue date Sep 22, 2020
    • MAXELL, LTD.
    • Shinro Inui
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Projection-type image display device
    • Patent number 10,642,137
    • Issue date May 5, 2020
    • MAXELL, LTD.
    • Eiki Ishijima
    • G02 - OPTICS
  • Information Patent Grant

    Lamp for projector
    • Patent number D790621
    • Issue date Jun 27, 2017
    • Hitachi Maxell, Ltd.
    • Eiki Ishijima
    • D16 - Photography and optical equipment

Patents Applicationslast 30 patents