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Inventor

Shoji Shimo

Inventor
Katsuta, JP

Overview

4→
Patents
1976–1977
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 4 as inventor

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

F01Nprimary
F01NGas-flow silencers or exhaust apparatus for machines or engines in general29%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof29%
F02BInternal-combustion piston engines14%
Y02TClimate change mitigation technologies related to transportation14%
Y10TTechnical subjects covered by former us classification14%
PatentTitleYear
4,005,161'Variable stage type carburetor'19774,002,153'Intake system in internal combustion engine'19773,975,905'Secondary air flow rate control device for use in exhaust gas purifying device'19763,945,205'Secondary air control device'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1977Patents assigned to HITACHI LTD (4)· patent assignee history
1976–1977Based in Katsuta, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD41976–1977
Locations
LocationPatentsSpan
Katsuta, JP41976–1977