Inventor

Yoichi Nagai

Inventor

Itami, JP

Overview

1999

Patent span

Mechanical engineering

Primary field (CPC F)

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

B01Dprimary

B01DSeparation25%

F01NGas-flow silencers or exhaust apparatus for machines or engines in general25%

F02BInternal-combustion piston engines25%

Y02TClimate change mitigation technologies related to transportation25%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1999Patents assigned to SUMITOMO ELECTRIC INDUSTRIES (1)· patent assignee history

1999Based in Itami, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SUMITOMO ELECTRIC INDUSTRIES	1	1999

Locations

Location	Patents	Span
Itami, JP	1	1999