Hiroshi Nishizawa

Person

Hanamaki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Imaging apparatus
- Patent number 7,349,626
- Issue date Mar 25, 2008
- Matsushita Electric Industrial Co., Ltd.
- Hiroshi Nishizawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Imaging apparatus with three dimensional circuit board
- Patent number 7,122,787
- Issue date Oct 17, 2006
- Matsushita Electric Industrial Co., Ltd.
- Hiroshi Nishizawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Magnetic head including a slider with a hole, a magnetic head core...
- Patent number 6,631,051
- Issue date Oct 7, 2003
- Matsushita Electric Industrial Co., Ltd.
- Hitoshi Watanabe
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head moving motor and magnetic recording apparatus
- Patent number 6,510,028
- Issue date Jan 21, 2003
- Matsushita Electric Industrial Co., Ltd.
- Hitoshi Watanabe
- G11 - INFORMATION STORAGE
Information Patent Grant
Electrical connection arrangement for a magnetic head of a floppy d...
- Patent number 6,498,705
- Issue date Dec 24, 2002
- Matsushita Electric Industrial Co., Ltd.
- Hiroshi Nishizawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Floppy disk drive unit with mounting plate between carriage and low...
- Patent number 6,473,267
- Issue date Oct 29, 2002
- Matsushita Electric Industrial Co., Ltd.
- Hiroshi Nishizawa
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Magnetic disc reading head having reduced friction with a floppy disk
- Patent number 6,031,689
- Issue date Feb 29, 2000
- Matsushita Electric Industrial Co., Ltd.
- Hiroshi Nishizawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Floppy disk unit
- Patent number 5,877,917
- Issue date Mar 2, 1999
- Matsushita Electric Industrial Co., Ltd.
- Hiroshi Nishizawa
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Floppy disk unit
- Patent number 5,610,780
- Issue date Mar 11, 1997
- Matsushital Electric Industrial Co, Ltd.
- Hiroshi Nishizawa
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Method of manufacturing an index apparatus
- Patent number 5,469,425
- Issue date Nov 21, 1995
- Matsushita Electric Industrial Co.
- Hiroshi Nishizawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for fixing FG magnet
- Patent number 5,383,265
- Issue date Jan 24, 1995
- Matsushita Electric Industrial Co., Ltd.
- Hiroshi Nishizawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Floppy disk apparatus having an improved disk rotating mechanism
- Patent number 5,210,665
- Issue date May 11, 1993
- Matsushita Electric Industrial Co., Ltd.
- Hiroshi Nishizawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive device having a swingable lever carrying pin and positio...
- Patent number 5,138,606
- Issue date Aug 11, 1992
- Matsushita Electric Industrial Co., Ltd.
- Hiroshi Nishizawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Information carrier disk housing having incorrect insertion prevention
- Patent number 5,046,170
- Issue date Sep 3, 1991
- Matsushita Electric Industrial Co., Ltd.
- Yutaka Oshima
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Imaging device and its manufacturing method
- Publication number 20070030334
- Publication date Feb 8, 2007
- Matsushita Electric Industrial Co., Ltd.
- Hiroshi Nishizawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Magnetic disk, magnetic disk manufacturing method and magnetic disk...
- Publication number 20050042409
- Publication date Feb 24, 2005
- Matsushita Electric Industrial Co., Ltd.
- Hiroshi Nishizawa
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic disk, magnetic disk manufacturing method and magnetic disk...
- Publication number 20050031826
- Publication date Feb 10, 2005
- Matsushita Electric Industrial Co., Ltd.
- Hiroshi Nishizawa
- G11 - INFORMATION STORAGE
Information Patent Application
Imaging apparatus
- Publication number 20040222352
- Publication date Nov 11, 2004
- Matsushita Electric Industrial Co., Ltd.
- Hiroshi Nishizawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Load torque variation preventing apparatus, magnetic disk apparatus...
- Publication number 20030235012
- Publication date Dec 25, 2003
- Hiroshi Nishizawa
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic disk, magnetic disk manufacturing method and magnetic disk...
- Publication number 20030232219
- Publication date Dec 18, 2003
- Hiroshi Nishizawa
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic head device and flexible disc device using the same
- Publication number 20030206375
- Publication date Nov 6, 2003
- Katsuaki Kanaya
- G11 - INFORMATION STORAGE
Information Patent Application
Noiseless magnetic head apparatus and flopply disk drive using the...
- Publication number 20020135943
- Publication date Sep 26, 2002
- Matsushita Electric Industrial Co., Ltd.
- Hiroshi Nishizawa
- G11 - INFORMATION STORAGE
Information Patent Application
Spindle motor and floppy disk device using the same
- Publication number 20020015256
- Publication date Feb 7, 2002
- MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
- Masahiko Kadokura
- G11 - INFORMATION STORAGE
Information Patent Application
Floppy disk drive unit
- Publication number 20010040768
- Publication date Nov 15, 2001
- MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
- Hiroshi Nishizawa
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Magnetic head, a method of producing the same, and a magnetic recor...
- Publication number 20010017747
- Publication date Aug 30, 2001
- MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
- Hitoshi Watanabe
- G11 - INFORMATION STORAGE

Hiroshi Nishizawa

Person

Patents Grantslast 30 patents

Imaging apparatus

Imaging apparatus with three dimensional circuit board

Magnetic head including a slider with a hole, a magnetic head core...

Magnetic head moving motor and magnetic recording apparatus

Electrical connection arrangement for a magnetic head of a floppy d...

Floppy disk drive unit with mounting plate between carriage and low...

Magnetic disc reading head having reduced friction with a floppy disk

Floppy disk unit

Floppy disk unit

Method of manufacturing an index apparatus

Method for fixing FG magnet

Floppy disk apparatus having an improved disk rotating mechanism

Disk drive device having a swingable lever carrying pin and positio...

Information carrier disk housing having incorrect insertion prevention

Patents Applicationslast 30 patents

Imaging device and its manufacturing method

Magnetic disk, magnetic disk manufacturing method and magnetic disk...

Magnetic disk, magnetic disk manufacturing method and magnetic disk...

Imaging apparatus

Load torque variation preventing apparatus, magnetic disk apparatus...

Magnetic disk, magnetic disk manufacturing method and magnetic disk...

Magnetic head device and flexible disc device using the same

Noiseless magnetic head apparatus and flopply disk drive using the...

Spindle motor and floppy disk device using the same

Floppy disk drive unit

Magnetic head, a method of producing the same, and a magnetic recor...