Inventor

Yoshiharu Awaji

Inventor

Tokyo, JP

Overview

1991

Patent span

Mechanical engineering

Primary field (CPC F)

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 general50%

F02BInternal-combustion piston engines50%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1991Patents assigned to SHOWA DENKO KK (1)· patent assignee history

1991Patents assigned to YAMATO KOGYO KK (1)· patent assignee history

1991Based in Tokyo, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SHOWA DENKO KK	1	1991
YAMATO KOGYO KK	1	1991

Locations

Location	Patents	Span
Tokyo, JP	1	1991