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Inventor

Tadataka Narumi

Inventor
Kariya, JP

Overview

4→
Patents
1982–2021
Patent span
Performing operations
Primary field (CPC B)

Patents· 4 as inventor

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

B62Dprimary
B62DMotor vehicles38%
Y10TTechnical subjects covered by former us classification38%
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids13%
G01RMeasuring electric variables13%
PatentTitleYear
10,989,739Probe card holder20214,917,139'Flow control apparatus for a power steering device'19904,396,033'Flow volume control device for a power assisted steering device'19834,311,161'Valve system in power steering systems'1982

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1982–1990Patents assigned to TOYODA MACHINE WORKS LTD (3)· patent assignee history
1982–1990Based in Kariya, JP· patent location history
2021Patents assigned to NIHON MICRONICS KK (1)· patent assignee history
2021Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOYODA MACHINE WORKS LTD31982–1990
NIHON MICRONICS KK12021
Locations
LocationPatentsSpan
Kariya, JP31982–1990
Tokyo, JP12021