Inventor

Noritoshi Saito

Inventor

Hachioji, JP

Overview

1985–1995

Patent span

Physics

Primary field (CPC G)

Patents· 14 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 transducer37%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests18%

H01FMagnets16%

Y10TTechnical subjects covered by former us classification13%

B82YSpecific uses or applications of nanostructures5%

C22CAlloys5%

A01KAnimal husbandry3%

G01RMeasuring electric variables3%

PatentTitleYear

5,463,518'Magnetic head and magnetic recording and reproducing apparatus using a superconducting quantum interference device'1995 4,972,285'Amorphous magnetic alloy of Co-Nb-Zr system and magnetic head made from the same'1990 4,935,311'Magnetic multilayered film and magnetic head using the same'1990 4,891,278'Ferrromagnetic thin film and magnetic head using it'1990 4,851,942'Floating magnetic head having a magnetic core buried in a channel on an air bearing rail'1989 4,847,715'Magnetic head having short distance between gaps for recording reproducing and erasing'1989 4,774,616'Magnetic head having an integrated recording and playback head and an erasure head'1988 4,769,729'Magnetic head having ferromagnetic amorphous alloy multi-layered film'1988 4,766,039'Magnetic head made from amorphous magnetic film'1988 4,762,755'Ferromagnetic material and a magnetic head using the same material'1988 4,748,089'Multilayered ferromagnetic amorphous alloy film and magnetic head employing the same'1988 4,656,547'Composite type magnetic head for recording and reproducing high frequency signals'1987 4,610,935'Magnetic film structure'1986 4,559,572'Magnetic head and method of fabricating same'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985–1995Patents assigned to HITACHI LTD (14)· patent assignee history

1985–1990Based in Hachioji, JP· patent location history

1989–1990Based in Tokyo, JP· patent location history

1990–1995Based in Miyagi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HITACHI LTD	14	1985–1995

Locations

Location	Patents	Span
Hachioji, JP	9	1985–1990
Tokyo, JP	3	1989–1990
Miyagi, JP	2	1990–1995