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Inventor

Ken-ichiro Naito

Inventor
Muroran, JP

Overview

9→
Patents
1997–2021
Patent span
Chemistry
Primary field (CPC C)

Patents· 9 as inventor

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

C21Dprimary
C21DModifying the physical structure of ferrous metals16%
C22CAlloys16%
Y02TClimate change mitigation technologies related to transportation8%
B01DSeparation4%
B23KSoldering or unsoldering4%
B60TVehicle brake control systems or parts thereof4%
C21CProcessing of pig-iron, e.g. refining, manufacture of wrought-iron or steel4%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general4%
F02BInternal-combustion piston engines4%
F02DControlling combustion engines4%
PatentTitleYear
11,112,026Fluid device20216,866,724'Steel bar or wire rod for cold forging and method of producing the same'20056,858,101'Steel excellent in forgeability and machinability'20056,661,241'Temperature control for conductive member'20036,602,359'Bar or wire product for use in cold forging and method for producing the same'20036,309,443'Simple ladle refining method'20016,218,173'Engine with microbial reaction purifier'20015,830,285'Fine graphite uniform dispersion steel excellent in cold machinability, cuttability and hardenability, and production method for the same'19985,687,696'Engine fuel supply device'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997–2001Patents assigned to NISSAN MOTOR (2)· patent assignee history
1997–2001Based in Yokohama, JP· patent location history
1998–2005Patents assigned to NIPPON STEEL CORP (5)· patent assignee history
1998–2005Based in Muroran, JP· patent location history
2001Based in Futtsu, JP· patent location history
2003Patents assigned to NAGOYA INST TECHNOLOGY (1)· patent assignee history
2003–2021Based in Nagoya, JP· patent location history
2021Patents assigned to TAKASAGO ELEC INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NIPPON STEEL CORP51998–2005
NISSAN MOTOR21997–2001
NAGOYA INST TECHNOLOGY12003
TAKASAGO ELEC INC12021
Locations
LocationPatentsSpan
Muroran, JP41998–2005
Nagoya, JP22003–2021
Yokohama, JP21997–2001
Futtsu, JP12001