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Inventor

Yoshio Umemura

Inventor
Anjo, JP

Overview

2→
Patents
1992–2011
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 2 as inventor

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

F16Dprimary
F16DCouplings for transmitting rotation25%
F16HGearing25%
H10DInorganic electric semiconductor devices25%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests25%
PatentTitleYear
7,967,727'Clutch control device'20115,100,815'Fabrication method for BiMOS semiconductor devices with improved speed and reliability'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992Patents assigned to OKI ELECTRIC IND CO LTD (1)· patent assignee history
1992Based in Tokyo, JP· patent location history
2011Patents assigned to AISIN AW CO (1)· patent assignee history
2011Based in Anjo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
AISIN AW CO12011
OKI ELECTRIC IND CO LTD11992
Locations
LocationPatentsSpan
Anjo, JP12011
Tokyo, JP11992