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Inventor

Tetsuaki Hayashi

Inventor
Osaka, JP

Overview

11→
Patents
1980–1996
Patent span
General tagging of new technological developments
Primary field (CPC Y)

Patents· 11 as inventor

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

B62Dprimary
B62DMotor vehicles20%
F16HGearing20%
Y10TTechnical subjects covered by former us classification20%
A01DHarvesting15%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests15%
B60KArrangement or mounting of propulsion units or of transmissions in vehicles10%
PatentTitleYear
5,531,466'Vehicle having a four-wheel steering device'19964,977,733'Four wheel steering tractor having a mid-mount mower'19904,926,624'Lawn mower'19904,903,469'Lawn mower'1990D0305236'Agricultural tractor'19894,756,208'Mid-mount tractor'19884,727,768'Transmission for agricultural tractor'19884,721,494'Drive transmission structure for tractor'19884,513,834'Agricultural tractor'19854,362,070'Change speed apparatus for a tractor'19824,216,680'Travel speed change apparatus for a farm vehicle'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980–1990Patents assigned to KUBOTA LTD (10)· patent assignee history
1980Based in Sennan, JP· patent location history
1982–1990Based in Osaka, JP· patent location history
1990–1996Based in Sakai, JP· patent location history
1996Patents assigned to KUBOTA KK (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KUBOTA LTD101980–1990
KUBOTA KK11996
Locations
LocationPatentsSpan
Osaka, JP81982–1990
Sakai, JP21990–1996
Sennan, JP11980