Inventor

Kazumasa Ishii

Inventor

Wako, JP

Overview

1989–2019

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 general22%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry11%

B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material11%

C07CAcyclic or carbocyclic compounds11%

F02BInternal-combustion piston engines11%

F02FCylinders, pistons or casings, for combustion engines11%

Y02PClimate change mitigation technologies in the production or processing of goods11%

Y02TClimate change mitigation technologies related to transportation11%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1989Patents assigned to MARUZEN PETROCHEM CO LTD (1)· patent assignee history

1989Based in Ichihara, JP· patent location history

2019Patents assigned to HONDA MOTOR CO LTD (2)· patent assignee history

2019Patents assigned to YUTAKA GIKEN CO LTD (1)· patent assignee history

2019Based in Wako, JP· patent location history

2019Based in Saitama, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations