TREA

Isao Matsumura

Follow

Person

  • Yokosuka-shi, JP
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Medical instrument control system
    • Patent number 6,801,913
    • Issue date Oct 5, 2004
    • Canon Kabushiki Kaisha
    • Isao Matsumura
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Ophthalmic measuring device
    • Patent number 6,702,441
    • Issue date Mar 9, 2004
    • Canon Kabushiki Kaisha
    • Isao Matsumura
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Ophthalmologic apparatus
    • Patent number 5,116,114
    • Issue date May 26, 1992
    • Canon Kabushiki Kaisha
    • Yukitsugu Nakamura
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Perimeter
    • Patent number 5,066,117
    • Issue date Nov 19, 1991
    • Canon Kabushiki Kaisha
    • Isao Matsumura
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Supersonic ophthalmic measuring apparatus
    • Patent number 5,056,522
    • Issue date Oct 15, 1991
    • Canon Kabushiki Kaisha
    • Isao Matsumura
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Ophthalmologic apparatus and method of compounding the image of an...
    • Patent number 5,037,194
    • Issue date Aug 6, 1991
    • Canon Kabushiki Kaisha
    • Yoshimi Kohayakawa
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Slit illuminating apparatus
    • Patent number 5,018,851
    • Issue date May 28, 1991
    • Canon Kabushiki Kaisha
    • Isao Matsumura
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Device for use with a cornea shape measuring apparatus
    • Patent number 4,999,009
    • Issue date Mar 12, 1991
    • Canon Kabushiki Kaisha
    • Isao Matsumura
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Ophthalmic examining apparatus and method capable of examining glau...
    • Patent number 4,991,584
    • Issue date Feb 12, 1991
    • Canon Kabushiki Kaisha
    • Kazunobu Kobayashi
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Cornea shape measuring apparatus
    • Patent number 4,917,458
    • Issue date Apr 17, 1990
    • Canon Kabushiki Kaisha
    • Isao Matsumura
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Surface examining apparatus
    • Patent number 4,867,554
    • Issue date Sep 19, 1989
    • Canon Kabushiki Kaisha
    • Isao Matsumura
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Ophthalmic positioning apparatus
    • Patent number 4,813,778
    • Issue date Mar 21, 1989
    • Canon Kabushiki Kaisha
    • Haruhisa Madate
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Stereoscopic microscope
    • Patent number 4,787,734
    • Issue date Nov 29, 1988
    • Canon Kabushiki Kaisha
    • Isao Matsumura
    • G02 - OPTICS
  • Information Patent Grant

    Ophthalmic instrument
    • Patent number 4,762,410
    • Issue date Aug 9, 1988
    • Canon Kabushiki Kaisha
    • Kyoji Sekiguchi
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Stereoscopic microscope
    • Patent number 4,699,481
    • Issue date Oct 13, 1987
    • Canon Kabushiki Kaisha
    • Isao Matsumura
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Eye fundus camera
    • Patent number 4,690,525
    • Issue date Sep 1, 1987
    • Canon Kabushiki Kaisha
    • Kazunobu Kobayashi
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Ophthalmic instrument
    • Patent number 4,678,297
    • Issue date Jul 7, 1987
    • Canon Kabushiki Kaisha
    • Yasuyuki Ishikawa
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Stereoscopic microscope with means for varying stereoscopic viewing...
    • Patent number 4,674,845
    • Issue date Jun 23, 1987
    • Canon Kabushiki Kaisha
    • Isao Matsumura
    • G02 - OPTICS
  • Information Patent Grant

    Stereoscopic microscope with a pair of image rotation correcting means
    • Patent number 4,657,356
    • Issue date Apr 14, 1987
    • Canon Kabushiki Kaisha
    • Isao Matsumura
    • G02 - OPTICS
  • Information Patent Grant

    Ophthalmologic apparatus
    • Patent number 4,620,779
    • Issue date Nov 4, 1986
    • Canon Kabushiki Kaisha
    • Isao Matsumura
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Eye fundus camera
    • Patent number 4,572,627
    • Issue date Feb 25, 1986
    • Canon Kabushiki Kaisha
    • Haruhisa Madate
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Auto eye-refractometer
    • Patent number 4,421,391
    • Issue date Dec 20, 1983
    • Canon Kabushiki Kaisha
    • Isao Matsumura
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Apparatus for measuring the refractive power of the eye
    • Patent number 4,376,573
    • Issue date Mar 15, 1983
    • Canon Kabushiki Kaisha
    • Isao Matsumura
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Automatic eye-refractometer
    • Patent number 4,372,655
    • Issue date Feb 8, 1983
    • Canon Kabushiki Kaisha
    • Isao Matsumura
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Optical system with an afocal focusing group
    • Patent number 4,318,585
    • Issue date Mar 9, 1982
    • Canon Kabushiki Kaisha
    • Isao Matsumura
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Eye fundus camera
    • Patent number 4,283,124
    • Issue date Aug 11, 1981
    • Canon Kabushiki Kaisha
    • Isao Matsumura
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Eye examining instrument
    • Patent number 4,279,478
    • Issue date Jul 21, 1981
    • Canon Kabushiki Kaisha
    • Isao Matsumura
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Variable magnification apparatus having illumination compensating a...
    • Patent number 4,265,518
    • Issue date May 5, 1981
    • Canon Kabushiki Kaisha
    • Isao Matsumura
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Eye examining instrument
    • Patent number 4,257,688
    • Issue date Mar 24, 1981
    • Canon Kabushiki Kaisha
    • Isao Matsumura
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Eye testing instrument
    • Patent number 4,253,743
    • Issue date Mar 3, 1981
    • Canon Kabushiki Kaisha
    • Isao Matsumura
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

  • Information Patent Application

    Roll Paper Holder
    • Publication number 20120018483
    • Publication date Jan 26, 2012
    • Isao Matsumura
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    Medical instrument control system
    • Publication number 20040249729
    • Publication date Dec 9, 2004
    • Canon Kabushiki Kaisha
    • Isao Matsumura
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    Ophthalmic measuring device
    • Publication number 20030071987
    • Publication date Apr 17, 2003
    • Canon Kabushiki Kaisha
    • Isao Matsumura
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    Medical instrument control system
    • Publication number 20020059257
    • Publication date May 16, 2002
    • Isao Matsumura
    • G06 - COMPUTING CALCULATING COUNTING