addressed by a beam of charged particles

Patents Grantslast 30 patents

  • Information Patent Grant

    Electrostatic recording materials

    • Patent number 5,942,325
    • Issue date Aug 24, 1999
    • Kimoto Co., Ltd.
    • Masaru Ishii
    • G02 - OPTICS
  • Information Patent Grant

    3702215

    • Patent number 3,702,215
    • Issue date Nov 7, 1972
    • G02 - OPTICS
  • Information Patent Grant

    3660818

    • Patent number 3,660,818
    • Issue date May 2, 1972
    • G02 - OPTICS
  • Information Patent Grant

    3637931

    • Patent number 3,637,931
    • Issue date Jan 25, 1972
    • G02 - OPTICS
  • Information Patent Grant

    3559185

    • Patent number 3,559,185
    • Issue date Jan 26, 1971
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    3520589

    • Patent number 3,520,589
    • Issue date Jul 14, 1970
    • G02 - OPTICS