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Inventor

Yukio Katoh

Inventor
Tokyo, JP

Overview

4→
Patents
1987–2002
Patent span
General tagging of new technological developments
Primary field (CPC Y)

Patents· 4 as inventor

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

Y10Tprimary
Y10TTechnical subjects covered by former us classification33%
G11BInformation storage based on relative movement between record carrier and transducer22%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests22%
B60WConjoint control of vehicle sub-units of different type or different function11%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light11%
PatentTitleYear
6,387,746'Method of fabricating semiconductor laser diode'20026,057,021'Magnetic recording media and magnetic recording system using the same'20005,750,230'Magnetic recording media and magnetic recording system using the same'19984,676,350'Control device for clutch and transmission for motor vehicles'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987Patents assigned to HONDA MOTOR CO LTD (1)· patent assignee history
1987–2002Based in Tokyo, JP· patent location history
1998–2000Patents assigned to HITACHI LTD (2)· patent assignee history
1998Based in Kokubunji, JP· patent location history
2000Based in Kokunbunji, JP· patent location history
2002Patents assigned to OKI ELECTRIC IND CO LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD21998–2000
HONDA MOTOR CO LTD11987
OKI ELECTRIC IND CO LTD12002
Locations
LocationPatentsSpan
Tokyo, JP21987–2002
Kokunbunji, JP12000
Kokubunji, JP11998