Keiji Kataoka

Person

Katsuta, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Information recording medium with clock information therein
- Patent number 5,959,943
- Issue date Sep 28, 1999
- Hitachi, Ltd.
- Seiji Yonezawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Information recording apparatus and method for modulated magneto-op...
- Patent number 5,886,958
- Issue date Mar 23, 1999
- Hitachi, Ltd.
- Seiji Yonezawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto optical recording medium apparatus and method utilizing lig...
- Patent number 5,726,955
- Issue date Mar 10, 1998
- Hitachi, Ltd.
- Seiji Yonezawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Multi-beam generating element and optical printing apparatus therewith
- Patent number 5,631,762
- Issue date May 20, 1997
- Hitachi Koki Co., Ltd.
- Keiji Kataoka
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Magneto-optical data recording apparatus using a sample-servo syste...
- Patent number 5,579,292
- Issue date Nov 26, 1996
- Hitachi, Ltd.
- Seiji Yonezawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical data recording system continuously irradiating opti...
- Patent number 5,473,581
- Issue date Dec 5, 1995
- Hitachi, Ltd.
- Seiji Yonezawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording apparatus and method for adding information in a...
- Patent number 5,402,409
- Issue date Mar 28, 1995
- Hitachi Koki Co., Ltd.
- Keiji Kataoka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Optical system for analyzing samples separated by a centrifugal sep...
- Patent number 5,325,172
- Issue date Jun 28, 1994
- Hitachi Koki Company Limited
- Keiji Kataoka
- G01 - MEASURING TESTING
Information Patent Grant
Method of magnetically recording and reading data, magnetic recordi...
- Patent number 5,296,995
- Issue date Mar 22, 1994
- Hitachi, Ltd.
- Seiji Yonezawa
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Magneto-optical data recording system
- Patent number 5,170,383
- Issue date Dec 8, 1992
- Hitachi, Ltd.
- Seiji Yonezawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus for counting particles suspended in a fluid having a pola...
- Patent number 5,142,140
- Issue date Aug 25, 1992
- Hitachi, Ltd.
- Isao Yamazaki
- G01 - MEASURING TESTING
Information Patent Grant
Optical device for generating pattern having uniform light intensit...
- Patent number 5,134,426
- Issue date Jul 28, 1992
- Hitachi, Ltd.
- Keiji Kataoka
- G02 - OPTICS
Information Patent Grant
Optical projection apparatus with the function of controlling laser...
- Patent number 5,005,969
- Issue date Apr 9, 1991
- Hitachi, Ltd.
- Keiji Kataoka
- G02 - OPTICS
Information Patent Grant
Optical pickup using waveguide
- Patent number 4,929,044
- Issue date May 29, 1990
- Hitachi, Ltd.
- Akira Arimoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical projection printing apparatus wherein wafer mark has a grat...
- Patent number 4,857,744
- Issue date Aug 15, 1989
- Hitachi, Ltd.
- Keiji Kataoka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Light modulating device array
- Patent number 4,840,447
- Issue date Jun 20, 1989
- Hitachi, Ltd.
- Keiji Kataoka
- G02 - OPTICS
Information Patent Grant
Optical information processor and method for accessing rotating rec...
- Patent number 4,802,153
- Issue date Jan 31, 1989
- Hitachi, Ltd.
- Keiji Kataoka
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical system for semiconductor laser and optical information proc...
- Patent number 4,779,943
- Issue date Oct 25, 1988
- Hitachi, Ltd.
- Kimio Tatsuno
- G02 - OPTICS
Information Patent Grant
Wavelength scanning interferometry and interferometer employing las...
- Patent number 4,759,628
- Issue date Jul 26, 1988
- Hitachi, Ltd.
- Kimio Tatsuno
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus for generating optical information
- Patent number 4,750,815
- Issue date Jun 14, 1988
- Hitachi, Ltd.
- Keiji Kataoka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Hologram lens
- Patent number 4,688,880
- Issue date Aug 25, 1987
- Hitachi, Ltd.
- Kimio Tatsuno
- G02 - OPTICS
Information Patent Grant
Optical focussing and tracking system using a polarization prism fo...
- Patent number 4,689,479
- Issue date Aug 25, 1987
- Hitachi, Ltd.
- Kimio Tatsuno
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information recording and reproducing apparatus
- Patent number 4,656,618
- Issue date Apr 7, 1987
- Hitachi, Ltd.
- Toshimitsu Kaku
- G11 - INFORMATION STORAGE
Information Patent Grant
System for holding plural light beams in predetermined relative pos...
- Patent number 4,644,160
- Issue date Feb 17, 1987
- Hitachi, Ltd.
- Akira Arimoto
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Lens-on-disc type optical scanning apparatus
- Patent number 4,640,573
- Issue date Feb 3, 1987
- Hitachi, Ltd.
- Keiji Kataoka
- G02 - OPTICS
Information Patent Grant
Light scanning device using lenses
- Patent number 4,621,892
- Issue date Nov 11, 1986
- Hitachi, Ltd.
- Keiji Kataoka
- G02 - OPTICS
Information Patent Grant
Optical scanning system
- Patent number 4,620,768
- Issue date Nov 4, 1986
- Hitachi, Ltd.
- Kimio Tatsuno
- G02 - OPTICS
Information Patent Grant
Optical system for information processing
- Patent number 4,561,717
- Issue date Dec 31, 1985
- Hitachi, Ltd.
- Keiji Kataoka
- G02 - OPTICS
Information Patent Grant
Laser recorder with piezoelectric bimorph focal length vibrator
- Patent number 4,274,101
- Issue date Jun 16, 1981
- Hitachi, Ltd.
- Keiji Kataoka
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Optical recording apparatus
- Patent number 4,253,102
- Issue date Feb 24, 1981
- Hitachi, Ltd.
- Keiji Kataoka
- G06 - COMPUTING CALCULATING COUNTING

Keiji Kataoka

Person

Patents Grantslast 30 patents

Information recording medium with clock information therein

Information recording apparatus and method for modulated magneto-op...

Magneto optical recording medium apparatus and method utilizing lig...

Multi-beam generating element and optical printing apparatus therewith

Magneto-optical data recording apparatus using a sample-servo syste...

Magneto-optical data recording system continuously irradiating opti...

Optical recording apparatus and method for adding information in a...

Optical system for analyzing samples separated by a centrifugal sep...

Method of magnetically recording and reading data, magnetic recordi...

Magneto-optical data recording system

Apparatus for counting particles suspended in a fluid having a pola...

Optical device for generating pattern having uniform light intensit...

Optical projection apparatus with the function of controlling laser...

Optical pickup using waveguide

Optical projection printing apparatus wherein wafer mark has a grat...

Light modulating device array

Optical information processor and method for accessing rotating rec...

Optical system for semiconductor laser and optical information proc...

Wavelength scanning interferometry and interferometer employing las...

Method and apparatus for generating optical information

Hologram lens

Optical focussing and tracking system using a polarization prism fo...

Optical information recording and reproducing apparatus

System for holding plural light beams in predetermined relative pos...

Lens-on-disc type optical scanning apparatus

Light scanning device using lenses

Optical scanning system

Optical system for information processing

Laser recorder with piezoelectric bimorph focal length vibrator

Optical recording apparatus