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Inventor

Kiichi Yamaguchi

Inventor
Tokyo, JP

Overview

5→
Patents
1989–2021
Patent span
Performing operations
Primary field (CPC B)

Patents· 5 as inventor

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

B60Rprimary
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for27%
H01RElectrically-conductive connections27%
B01DSeparation9%
B62DMotor vehicles9%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general9%
G06FElectric digital data processing9%
Y02TClimate change mitigation technologies related to transportation9%
PatentTitleYear
11,047,282Exhaust gas purification device202111,036,662Interrupt monitoring systems and methods for failure detection for a semiconductor device20214,919,620'Connector device for a steering system'19904,849,586'Slip ring having a rotatable insulation cover'19894,824,396'Electrical connection apparatus'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–1990Patents assigned to ALPS ELECTRIC CO LTD (3)· patent assignee history
1989Based in Miyagi, JP· patent location history
1990Based in Toda, JP· patent location history
2021Patents assigned to N E CHEMCAT CORP (1)· patent assignee history
2021Patents assigned to NATIONAL AGENCY FOR AUTOMOBILE AND LAND TRANSP TECHNOLOGY (1)· patent assignee history
2021Patents assigned to RENESAS ELECTRONICS CORP (1)· patent assignee history
2021Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ALPS ELECTRIC CO LTD31989–1990
N E CHEMCAT CORP12021
NATIONAL AGENCY FOR AUTOMOBILE AND LAND TRANSP TECHNOLOGY12021
RENESAS ELECTRONICS CORP12021
Locations
LocationPatentsSpan
Tokyo, JP22021
Miyagi, JP21989
Toda, JP11990