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Inventor

Shuji Okumura

Inventor
Obu, JP

Overview

4→
Patents
1976–1986
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.

F01Mprimary
F01MLubricating of machines or engines in general18%
F02FCylinders, pistons or casings, for combustion engines18%
F16KValves18%
Y10TTechnical subjects covered by former us classification18%
B60KArrangement or mounting of propulsion units or of transmissions in vehicles9%
F02PIgnition, other than compression ignition, for internal-combustion engines9%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%
PatentTitleYear
4,602,595'Oil separator for internal combustion engine'19864,569,323'Oil separator'19864,328,832'Multiple throttle level orifice apparatus'19823,971,406'Vapor fuel control apparatus'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1986Patents assigned to AISIN SEIKI (4)· patent assignee history
1976–1986Based in Obu, JP· patent location history
1982Based in Oubu, JP· patent location history
1986Based in Osaka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
AISIN SEIKI41976–1986
Locations
LocationPatentsSpan
Obu, JP21976–1986
Osaka, JP11986
Oubu, JP11982