Inventor

Yoshiaki Yoshioka

Inventor
Sagamihara, JP

Overview

17→
Patents
1978–2004
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 17 as inventor

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

F02Dprimary
F02DControlling combustion engines33%
Y02TClimate change mitigation technologies related to transportation20%
F01LCyclically operating valves for machines or engines10%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general5%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof5%
B01DSeparation3%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds3%
D01DMechanical methods or apparatus in the manufacture of artificial filaments, threads, fibres, bristles or ribbons3%
D01FChemical features in the manufacture of artificial filaments, threads, fibres, bristles or ribbons3%
F02PIgnition, other than compression ignition, for internal-combustion engines3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (1)· patent assignee history
1981Patents assigned to SHOWA DENKO KK (1)· patent assignee history
1981Based in Yokohama, JP· patent location history
1986Patents assigned to TEIJIN LTD (1)· patent assignee history
1986Based in Iwakuni, JP· patent location history
1996–2004Patents assigned to NISSAN MOTOR (14)· patent assignee history
1996–2000Based in Sagamihara, JP· patent location history
2001–2004Based in Kanagawa, JP· patent location history
2004Based in Ebina, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NISSAN MOTOR141996–2004
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD11978
SHOWA DENKO KK11981
TEIJIN LTD11986
Locations
LocationPatentsSpan
Sagamihara, JP71996–2000
Kanagawa, JP62001–2004
Ebina, JP12004
Iwakuni, JP11986
Yokohama, JP11981