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Inventor

Tatsutoshi Umeda

Inventor
Sakai, JP

Overview

6→
Patents
1984–1987
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 6 as inventor

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

F01Mprimary
F01MLubricating of machines or engines in general33%
F02BInternal-combustion piston engines25%
F01LCyclically operating valves for machines or engines17%
F01PCooling of machines or engines in general8%
F02FCylinders, pistons or casings, for combustion engines8%
F16NLubricating8%
PatentTitleYear
4,686,946'Valve moving system of an overhead valve engine'19874,664,228'Lubrication system for a vertical shaft engine'19874,633,824'Cooling means for the squish part of an air cooling overhead valve engine'19874,628,878'Splash lubricating system for an engine'19864,610,227'Automatic decompression system for starting engine'19864,426,964'Runner-type lubricating device for vertical engine'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984–1987Patents assigned to KUBOTA LTD (6)· patent assignee history
1984Based in Kawachinagano, JP· patent location history
1986–1987Based in Sakai, JP· patent location history
1986–1987Based in Osaka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KUBOTA LTD61984–1987
Locations
LocationPatentsSpan
Sakai, JP31986–1987
Osaka, JP21986–1987
Kawachinagano, JP11984