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Inventor

Satoru Oikawa

Inventor
Yao, JP

Overview

12→
Patents
1991–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 12 as inventor

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

H10Nprimary
H10NElectric solid-state devices not otherwise provided for14%
B82YSpecific uses or applications of nanostructures12%
G11BInformation storage based on relative movement between record carrier and transducer12%
H01FMagnets12%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%
Y10TTechnical subjects covered by former us classification10%
G01RMeasuring electric variables8%
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids6%
B21KMaking forged or pressed metal products, e.g. horse-shoes, rivets, bolts or wheels2%
B62DMotor vehicles2%
PatentTitleYear
11,017,826Magnetic memory device202110,562,559Rack bar and method for manufacturing rack bar20206,146,775'Magnetoresistive film'20005,955,211'Magnetoresistive film'19995,818,323'Magnetoresistive device'19985,738,929'Magnetoresistance effect element'19985,736,921'Magnetoresistive element'19985,585,198'Magnetorsistance effect element'19965,240,389'Scroll type compressor'19935,174,737'Fluid compressor with spiral blade'19925,080,566'Fluid scroll machine with projection on one side of Oldham ring'19925,040,952'Scroll-type compressor'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–2021Patents assigned to TOSHIBA KK (5)· patent assignee history
1991–1993Based in Fuji, JP· patent location history
1996–2000Patents assigned to SANYO ELECTRIC CO (6)· patent assignee history
1996–2000Based in Yao, JP· patent location history
1998Based in Osaka, JP· patent location history
2020Patents assigned to HITACHI AUTOMOTIVE SYSTEMS LTD (1)· patent assignee history
2020Based in Higashimatsuyama, JP· patent location history
2021Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SANYO ELECTRIC CO61996–2000
TOSHIBA KK51991–2021
HITACHI AUTOMOTIVE SYSTEMS LTD12020
Locations
LocationPatentsSpan
Yao, JP51996–2000
Fuji, JP41991–1993
Tokyo, JP12021
Higashimatsuyama, JP12020
Osaka, JP11998