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Inventor

Yoji Fujiwara

Inventor
Sakai, JP

Overview

6→
Patents
1991–2003
Patent span
Human necessities
Primary field (CPC A)

Patents· 6 as inventor

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

A01Dprimary
A01DHarvesting29%
B60KArrangement or mounting of propulsion units or of transmissions in vehicles29%
F01PCooling of machines or engines in general14%
G08BSignalling systems, e.g. personal calling systems14%
H04BTransmission14%
PatentTitleYear
6,564,040'Communication device and communication method'20035,757,279'Scrolling control for pager'19985,224,327'Lawn mower having a blower for transporting grass clippings to a grass catcher'19935,123,234'Working vehicle having a mower unit vertically movable relative to a vehicle body'19925,113,819'Cooling system for a liquid cooled engine'19925,042,604'Working vehicle'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991Patents assigned to KUBOTA LTD (1)· patent assignee history
1991–1992Based in Osaka, JP· patent location history
1992–1993Patents assigned to KUBOTA KK (3)· patent assignee history
1992–1993Based in Sakai, JP· patent location history
1998–2003Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (2)· patent assignee history
1998Based in Yokohama, JP· patent location history
2003Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KUBOTA KK31992–1993
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD21998–2003
KUBOTA LTD11991
Locations
LocationPatentsSpan
Sakai, JP21992–1993
Osaka, JP21991–1992
Kanagawa, JP12003
Yokohama, JP11998