Toshio Katsuyama

Person

Oume, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Micro sensor device
- Patent number 7,450,789
- Issue date Nov 11, 2008
- Hitachi, Ltd.
- Kazuhiko Hosomi
- G01 - MEASURING TESTING
Information Patent Grant
Micro-spectroscopic measuring device and micro-chemical system
- Patent number 7,145,146
- Issue date Dec 5, 2006
- Hitachi, Ltd.
- Taro Ogawa
- G01 - MEASURING TESTING
Information Patent Grant
Optical waveguides and optical devices with optical waveguides
- Patent number 6,931,189
- Issue date Aug 16, 2005
- Hitachi, Ltd.
- Youngkun Lee
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Dispersion compensator and optical transmission system using same
- Patent number 6,731,846
- Issue date May 4, 2004
- Hitachi, Ltd.
- Kazuhiko Hosomi
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Method and apparatus for dynamic observation of specimen
- Patent number 5,698,798
- Issue date Dec 16, 1997
- Hitachi, Ltd.
- Makiko Kohno
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Semiconductor device using whiskers
- Patent number 5,362,972
- Issue date Nov 8, 1994
- Hitachi, Ltd.
- Masamitsu Yazawa
- C30 - CRYSTAL GROWTH
Information Patent Grant
Semiconductor optical device with nanowhiskers
- Patent number 5,332,910
- Issue date Jul 26, 1994
- Hitachi, Ltd.
- Keiichi Haraguchi
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Optical quantum interference device/optical computer and method of...
- Patent number 5,091,980
- Issue date Feb 25, 1992
- Hitachi, Ltd.
- Kensuke Ogawa
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Optical quantum interference device and method of modulating light...
- Patent number 4,957,337
- Issue date Sep 18, 1990
- Hitachi, Ltd.
- Kensuke Ogawa
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Optical device
- Patent number 4,900,134
- Issue date Feb 13, 1990
- Hitachi, Ltd.
- Hiroaki Inoue
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Optical devices and optical integrated circuits
- Patent number 4,887,877
- Issue date Dec 19, 1989
- Hitachi, Ltd.
- Hiroaki Inoue
- G02 - OPTICS
Information Patent Grant
Intercalation compound and generator of coherent radiation using th...
- Patent number 4,887,273
- Issue date Dec 12, 1989
- Hitachi, Ltd.
- Kiichi Komatsubara
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Optical modulating device utilizing polariton substance
- Patent number 4,861,130
- Issue date Aug 29, 1989
- Hitachi, Ltd.
- Toshio Katsuyama
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Photo semiconductor device having a multi-quantum well structure
- Patent number 4,840,446
- Issue date Jun 20, 1989
- Hitachi Cable, Ltd.
- Hitoshi Nakamura
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Semiconductor device with high speed signal transmission arrangemen...
- Patent number 4,838,633
- Issue date Jun 13, 1989
- Hitachi, Ltd.
- Toshio Katsuyama
- G02 - OPTICS
Information Patent Grant
Polarization plane maintaining optical fiber fabricating method
- Patent number 4,828,592
- Issue date May 9, 1989
- Hitachi, Ltd.
- Hiroyoshi Matsumura
- G02 - OPTICS
Information Patent Grant
Optical switch including bypass waveguide
- Patent number 4,813,757
- Issue date Mar 21, 1989
- Hitachi, Ltd.
- Shinji Sakano
- G02 - OPTICS
Information Patent Grant
Member for infrared ray transmission
- Patent number 4,730,896
- Issue date Mar 15, 1988
- Hitachi, Ltd.
- Toshio Katsuyama
- G02 - OPTICS
Information Patent Grant
Glass material for optical fibers used in infrared region
- Patent number 4,612,294
- Issue date Sep 16, 1986
- Hitachi, Ltd.
- Toshio Katsuyama
- C03 - GLASS MINERAL OR SLAG WOOL
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
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
Method of producing optical fiber preform
- Patent number 4,505,729
- Issue date Mar 19, 1985
- Hitachi, Ltd.
- Hiroyoshi Matsumura
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Optical gyroscope with large propagation constant difference
- Patent number 4,483,617
- Issue date Nov 20, 1984
- Hitachi, Ltd.
- Hiroyoshi Matsumura
- G01 - MEASURING TESTING
Information Patent Grant
Optical fiber and method of producing the same
- Patent number 4,426,129
- Issue date Jan 17, 1984
- Hitachi, Ltd.
- Hiroyoshi Matsumura
- G02 - OPTICS
Information Patent Grant
Single-mode-transmission optical fiber and a method of manufacturin...
- Patent number 4,406,518
- Issue date Sep 27, 1983
- Hitachi, Ltd.
- Hiroyoshi Matsumura
- G02 - OPTICS
Information Patent Grant
Method for producing mother rods for optical fibers
- Patent number 4,323,381
- Issue date Apr 6, 1982
- Hitachi, Ltd.
- Iwao Matsuyama
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Optical fiber and method for producing the same
- Patent number 4,206,968
- Issue date Jun 10, 1980
- Hitachi, Ltd.
- Tsuneo Suganuma
- G02 - OPTICS
Information Patent Grant
Method of producing optical fiber
- Patent number 4,203,743
- Issue date May 20, 1980
- Hitachi, Ltd.
- Tsuneo Suganuma
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Micro sensor device
- Publication number 20070014505
- Publication date Jan 18, 2007
- Kazuhiko Hosomi
- G02 - OPTICS
Information Patent Application
Micro-spectroscopic measuring device and micro-chemical system
- Publication number 20050017178
- Publication date Jan 27, 2005
- Taro Ogawa
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Optical waveguides and optical devices with optical waveguides
- Publication number 20030202764
- Publication date Oct 30, 2003
- Youngkun Lee
- G02 - OPTICS
Information Patent Application
Optical functional device and fabrication process for the same
- Publication number 20030185532
- Publication date Oct 2, 2003
- Kazuhiko Hosomi
- G02 - OPTICS
Information Patent Application
Dispersion compensator and optical transmission system using same
- Publication number 20020172456
- Publication date Nov 21, 2002
- Kazuhiko Hosomi
- B82 - NANO-TECHNOLOGY

Toshio Katsuyama

Person

Patents Grantslast 30 patents

Micro sensor device

Micro-spectroscopic measuring device and micro-chemical system

Optical waveguides and optical devices with optical waveguides

Dispersion compensator and optical transmission system using same

Method and apparatus for dynamic observation of specimen

Semiconductor device using whiskers

Semiconductor optical device with nanowhiskers

Optical quantum interference device/optical computer and method of...

Optical quantum interference device and method of modulating light...

Optical device

Optical devices and optical integrated circuits

Intercalation compound and generator of coherent radiation using th...

Optical modulating device utilizing polariton substance

Photo semiconductor device having a multi-quantum well structure

Semiconductor device with high speed signal transmission arrangemen...

Polarization plane maintaining optical fiber fabricating method

Optical switch including bypass waveguide

Member for infrared ray transmission

Glass material for optical fibers used in infrared region

Temperature-compensated magnetic field measuring instrument

Optical D.C. electric-field measuring apparatus with optic sensing...

Method of producing optical fiber preform

Optical gyroscope with large propagation constant difference

Optical fiber and method of producing the same

Single-mode-transmission optical fiber and a method of manufacturin...

Method for producing mother rods for optical fibers

Optical fiber and method for producing the same

Method of producing optical fiber

Patents Applicationslast 30 patents

Micro sensor device

Micro-spectroscopic measuring device and micro-chemical system

Optical waveguides and optical devices with optical waveguides

Optical functional device and fabrication process for the same

Dispersion compensator and optical transmission system using same