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Inventor

Shinichi Umino

Inventor
Yugawara, JP

Overview

8→
Patents
1994–2017
Patent span
Chemistry
Primary field (CPC C)

Patents· 8 as inventor

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

F01Lprimary
F01LCyclically operating valves for machines or engines20%
C22CAlloys15%
C22FChanging the physical structure of non-ferrous metals and non-ferrous alloys10%
C23CCoating metallic material10%
C23GCleaning or de-greasing of metallic material by chemical methods other than electrolysis10%
C25DProcesses for the electrolytic or electrophoretic production of coatings10%
Y10TTechnical subjects covered by former us classification10%
B22FWorking metallic powder5%
C21DModifying the physical structure of ferrous metals5%
F02BInternal-combustion piston engines5%
PatentTitleYear
9,708,700'Magnesium-lithium alloy, rolled material, formed article, and process for producing same'20179,702,033'Magnesium-lithium alloy, rolled material, molded article, and process for producing same'20175,799,683'Poppet valve and method of manufacturing it'19985,753,179'Steels for exhaust valves having improved fatigue strength at high temperature, corrosion resistance at room and higher temperatures and oxidation resistance'19985,596,959'Shim for a tappet in an internal combustion engine'19975,554,338'Method of preparing composite sintered body'19965,543,029'Properties of the surface of a titanium alloy engine valve'19965,370,364'Titanium alloy engine valve shaft structure'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994–1998Patents assigned to FUJI VALVE (5)· patent assignee history
1994–1998Based in Yugawara, JP· patent location history
1996Based in Kanagawa, JP· patent location history
1997–1998Based in Fujisawa, JP· patent location history
2017Patents assigned to GOTO TAKAYUKI (2)· patent assignee history
2017Patents assigned to KIN KENKI (2)· patent assignee history
2017Patents assigned to MATSUMURA TAKEKI (2)· patent assignee history
2017Patents assigned to NAMBA SHINJI (2)· patent assignee history
2017Based in Settsu, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FUJI VALVE51994–1998
GOTO TAKAYUKI22017
KIN KENKI22017
MATSUMURA TAKEKI22017
NAMBA SHINJI22017
Locations
LocationPatentsSpan
Yugawara, JP31994–1998
Settsu, JP22017
Fujisawa, JP21997–1998
Kanagawa, JP11996