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Patents Grants
last 30 patents
Information
Patent Grant
Biomagnetic field measuring method and apparatus
Patent number
7,403,809
Issue date
Jul 22, 2008
Hitachi, Ltd.
Keiji Tsukada
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Biomagnetic measurement apparatus
Patent number
6,949,926
Issue date
Sep 27, 2005
Hitachi High-Technologies Corporation
Masahiro Murakami
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Magnetic field measurement apparatus
Patent number
6,842,637
Issue date
Jan 11, 2005
Hitachi, Ltd.
Keiji Tsukada
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Biomagnetic field measuring method and apparatus
Patent number
6,735,460
Issue date
May 11, 2004
Hitachi, Ltd.
Keiji Tsukada
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Biomagnetism measurement device and method of biomagnetism measurem...
Patent number
6,628,978
Issue date
Sep 30, 2003
Hitachi, Ltd.
Shoji Kondo
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Physiological magnetic field measuring instrument for measuring mag...
Patent number
6,609,019
Issue date
Aug 19, 2003
Hitachi, Ltd.
Kenji Teshigawara
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Minimal magnetic field-measurement dewar vessel
Patent number
6,563,312
Issue date
May 13, 2003
Hitachi, Ltd.
Norihide Saho
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Biomagnetic field measuring method and apparatus
Patent number
6,539,245
Issue date
Mar 25, 2003
Hitachi, Ltd.
Keiji Tsukada
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Biomagnetic field measuring apparatus
Patent number
6,522,908
Issue date
Feb 18, 2003
Hitachi, Ltd.
Tsuyoshi Miyashita
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Dewar and biological magnetism measurement apparatus using the dewar
Patent number
6,512,368
Issue date
Jan 28, 2003
Hitachi, Ltd.
Hiroyuki Tanaka
F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
Information
Patent Grant
Magnetic field measurement apparatus
Patent number
6,424,853
Issue date
Jul 23, 2002
Hitachi, Ltd.
Keiji Tsukada
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Biomagnetic field measurement apparatus
Patent number
6,275,719
Issue date
Aug 14, 2001
Hitachi, Ltd.
Akihiko Kandori
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Biomagnetic field measuring apparatus
Patent number
6,269,262
Issue date
Jul 31, 2001
Hitachi, Ltd.
Akihiko Kandori
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Biomagnetic field measuring method and apparatus
Patent number
6,230,037
Issue date
May 8, 2001
Hitachi, Ltd.
Keiji Tsukada
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Patents Applications
last 30 patents
Information
Patent Application
Biomagnetic field measuring method and apparatus
Publication number
20040193037
Publication date
Sep 30, 2004
Hitachi, Ltd.
Keiji Tsukada
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Biomagnetic measurement apparatus
Publication number
20030231016
Publication date
Dec 18, 2003
Masahiro Murakami
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Biomagnetic field measuring system
Publication number
20030114745
Publication date
Jun 19, 2003
Yoshiaki Amano
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Biomagnetic field measuring method and apparatus
Publication number
20020173714
Publication date
Nov 21, 2002
Hitachi, Ltd.
Keiji Tsukada
G01 - MEASURING TESTING
Information
Patent Application
Minimal magnetic field-measurement dewar vessel
Publication number
20020024338
Publication date
Feb 28, 2002
Norihide Saho
G01 - MEASURING TESTING
Information
Patent Application
Magnetic field measurement apparatus
Publication number
20020019589
Publication date
Feb 14, 2002
Hitachi, Ltd.
Keiji Tsukada
G01 - MEASURING TESTING
Information
Patent Application
Dewar and biological magnetism measurement apparatus using the dewar
Publication number
20010040447
Publication date
Nov 15, 2001
Hiroyuki Tanaka
G01 - MEASURING TESTING
Information
Patent Application
Biomagnetic field measuring method and apparatus
Publication number
20010009975
Publication date
Jul 26, 2001
Hitachi, Ltd.
Keiji Tsukada
G01 - MEASURING TESTING