Membership
Tour
Register
Log in
Kazuyuki Nagatsuma
Follow
Person
Hachioji, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Imaging apparatus and operation method of the same
Patent number
5,488,386
Issue date
Jan 30, 1996
Hitachi, Ltd. & Nippon Hoso Kyokai
Toshio Yamagishi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Fabricating a semiconductor photodetector by annealing to smooth th...
Patent number
5,098,851
Issue date
Mar 24, 1992
Hitachi, Ltd.
Kazuhiro Ito
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Optoelectronic device
Patent number
4,816,890
Issue date
Mar 28, 1989
Hitachi, Ltd.
Hirobumi Ouchi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Optical waveguide having a silicon oxi-nitride layer
Patent number
4,737,015
Issue date
Apr 12, 1988
Hitachi, Ltd. Hitachi Cabel
Koji Ishida
G02 - OPTICS
Information
Patent Grant
Optical electric-field measuring apparatus
Patent number
4,631,402
Issue date
Dec 23, 1986
Hitachi, Ltd.
Kazuyuki Nagatsuma
G02 - OPTICS
Information
Patent Grant
Temperature-compensated magnetic field measuring instrument
Patent number
4,604,577
Issue date
Aug 5, 1986
Hitachi, Ltd.
Hiroyoshi Matsumura
G02 - OPTICS
Information
Patent Grant
Apparatus for and method of determining properties of saw substrates
Patent number
4,595,853
Issue date
Jun 17, 1986
Hitachi, Ltd.
Kazuyuki Nagatsuma
G01 - MEASURING TESTING
Information
Patent Grant
Optical magnetic-field measuring apparatus having improved temperat...
Patent number
4,581,579
Issue date
Apr 8, 1986
Hitachi, Ltd.
Kazuyuki Nagatsuma
G01 - MEASURING TESTING
Information
Patent Grant
Optical D.C. electric-field measuring apparatus with optic sensing...
Patent number
4,570,064
Issue date
Feb 11, 1986
Hitachi, Ltd.
Kazuyuki Nagatsuma
G01 - MEASURING TESTING
Information
Patent Grant
Three electrode piezoelectric ceramic resonator
Patent number
4,490,641
Issue date
Dec 25, 1984
Hitachi, Ltd.
Hiroshi Takeuchi
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Piezoelectric single crystal and surface acoustic wave element empl...
Patent number
4,333,842
Issue date
Jun 8, 1982
Hitachi, Ltd.
Yukio Ito
C30 - CRYSTAL GROWTH
Information
Patent Grant
Piezoelectric ceramics
Patent number
4,243,541
Issue date
Jan 6, 1981
Hitachi, Ltd.
Hiroshi Takeuchi
H01 - BASIC ELECTRIC ELEMENTS