Inventor

Toshio Fukazawa

Inventor

Kyoto, JP

Overview

18→

Patents

1982–2006

Patent span

Physics

Primary field (CPC G)

Patents· 18 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G11Bprimary

G11BInformation storage based on relative movement between record carrier and transducer52%

Y10TTechnical subjects covered by former us classification19%

B82YSpecific uses or applications of nanostructures10%

A61KPreparations for medical, dental or toiletry purposes6%

G02BOptical elements, systems or apparatus6%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein3%

H01FMagnets3%

PatentTitleYear

7,137,192'Method for manufacturing thin film head'2006 7,103,962'Method for manufacturing a thin film head'2006 6,833,975'Perpendicular magnetic recording medium and apparatus including a soft magnetic layer, an at least 20 nm thick non-magnetic layer, and a 50-90 nm gap length'2004 6,633,466'MR thin film head with longitudinal-biasing multi-layers of antiferromagnetically-coupled high and low coercivity layers'2003 6,574,080'Thin film head with transverse biasing layers'2003 6,076,932'Light absorber and optical equipment'2000 6,005,835'Composite prism and optical pickup using the same'1999 5,535,079'Integrated thin film magnetic head'1996 5,469,317'Thin film magnetoresistive head for magnetic recording and reproducing apparatus'1995 5,436,780'Thin film magnetic head device'1995 5,335,127'Lamination type magneto-resistive head'1994 5,097,372'Thin film magnetic head with wide recording area and narrow reproducing area'1992 5,095,397'Thin film magnetic head of embodied recording and reproducing transducer type'1992 5,027,245'Magnetic head for multi-track recording having read and write transducers formed by thin-film technology'1991 5,025,342'Thin-film magnetic head device for recording and reproducing'1991 5,022,141'Method for manufacturing multiturn thin film coil'1991 4,661,162'Enteric-soluble preparations'1987 4,341,563'Protective coating compositions'1982

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1982–1987Patents assigned to SANKYO CO (2)· patent assignee history

1982Based in Tokyo, JP· patent location history

1987Based in Hiromachi, JP· patent location history

1991–2006Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (15)· patent assignee history

1991–2006Based in Kyoto, JP· patent location history

1995–1996Based in Fushimi-ku, Kyoto-shi, Kyoto, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD	15	1991–2006
SANKYO CO	2	1982–1987

Locations

Location	Patents	Span
Kyoto, JP	14	1991–2006
Fushimi-ku, Kyoto-shi, Kyoto, JP	2	1995–1996
Hiromachi, JP	1	1987
Tokyo, JP	1	1982