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Inventor

Seijiro Narita

Inventor
Matsumoto, JP

Overview

2→
Patents
2018–2021
Patent span
Performing operations
Primary field (CPC B)

Patents· 2 as inventor

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

B21Dprimary
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material20%
B23PMetal-working not otherwise provided for20%
F01LCyclically operating valves for machines or engines20%
H01LSemiconductor devices20%
H10DInorganic electric semiconductor devices20%
PatentTitleYear
11,004,936Silicon carbide insulated-gate power field effect transistor20219,951,660Valve timing control device for internal combustion engine, and fastening structure2018

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2018Patents assigned to HITACHI AUTOMOTIVE SYSTEMS LTD (1)· patent assignee history
2018Based in Ayase, JP· patent location history
2021Patents assigned to FUJI ELECTRIC CO LTD (1)· patent assignee history
2021Based in Matsumoto, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FUJI ELECTRIC CO LTD12021
HITACHI AUTOMOTIVE SYSTEMS LTD12018
Locations
LocationPatentsSpan
Matsumoto, JP12021
Ayase, JP12018