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Inventor

Shinya Kawakita

Inventor
Yotsukaichi, JP

Overview

4→
Patents
1991–2011
Patent span
Physics
Primary field (CPC G)

Patents· 4 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 transducer43%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests29%
H05KPrinted circuits14%
Y10TTechnical subjects covered by former us classification14%
PatentTitleYear
8,050,037'Electronic control device using LC module structure'20115,268,071'Process of producing a magnetic disk substrate'19935,113,302'Magnetic recording medium having a coupling agent disposed between a protective layer and a lubricating layer'19925,055,359'Magnetic recording medium with an intermediate protective layer of silicon dioxide and a perfluoroalkylpolyether lubricant layer'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–1993Patents assigned to NIPPON SHEET GLASS CO LTD (3)· patent assignee history
1991–1992Based in Yotsukaichi, JP· patent location history
1993Based in Yokkaichi, JP· patent location history
2011Patents assigned to HITACHI LTD (1)· patent assignee history
2011Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NIPPON SHEET GLASS CO LTD31991–1993
HITACHI LTD12011
Locations
LocationPatentsSpan
Yotsukaichi, JP21991–1992
Tokyo, JP12011
Yokkaichi, JP11993