Inventor

Hisashi Nakaya

Inventor

Hiroshima, JP

Overview

1985

Patent span

Mechanical engineering

Primary field (CPC F)

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

F01Lprimary

F01LCyclically operating valves for machines or engines25%

F02BInternal-combustion piston engines25%

F02DControlling combustion engines25%

F16FSprings25%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1985Patents assigned to MAZDA MOTOR (1)· patent assignee history

1985Based in Hiroshima, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MAZDA MOTOR	1	1985

Locations

Location	Patents	Span
Hiroshima, JP	1	1985