Inventor

Yukio Aizawa

Inventor

Tokyo, JP

Overview

1985–2017

Patent span

Electricity

Primary field (CPC H)

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

Y02Bprimary

Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications11%

F24FAir-conditioning7%

F25BRefrigeration machines, plants or systems7%

H04LTransmission of digital information, e.g. telegraphic communication7%

B01DSeparation4%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry4%

C10GCracking hydrocarbon oils4%

F01NGas-flow silencers or exhaust apparatus for machines or engines in general4%

F23CMethods or apparatus for combustion using fluid fuel or solid fuel suspended in a carrier gas or air4%

F23LSupplying air or non-combustible liquids or gases to combustion apparatus in general4%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1985–1994Patents assigned to NIPPON OIL CO LTD (2)· patent assignee history

1985–1998Based in Kawasaki, JP· patent location history

1997Patents assigned to SANYO ELECTRIC CO (2)· patent assignee history

1997Based in Gunma, JP· patent location history

1997Based in Ojimmachi, JP· patent location history

1998–2002Patents assigned to NEC CORP (3)· patent assignee history

1998–2012Based in Tokyo, JP· patent location history

2012–2017Patents assigned to AIZAWA YUKIO (2)· patent assignee history

2017Patents assigned to HITACHI METALS LTD (1)· patent assignee history

2017Based in Higashi-Ibaraki-gun, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations