Inventor

Yasufumi Nakajima

Inventor

Hirakata, JP

Overview

1980–2007

Patent span

Electricity

Primary field (CPC H)

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

H02Mprimary

H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems15%

H05KPrinted circuits15%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1015%

B01DSeparation8%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry8%

F23JRemoval or treatment of combustion products or combustion residues8%

H02JElectric power networks8%

H03FAmplifiers8%

H03KPulse technique8%

Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications8%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1980Patents assigned to MITSUBISHI HEAVY IND LTD (1)· patent assignee history

1980Based in Kobe, JP· patent location history

1993–2007Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (5)· patent assignee history

1993Based in Osaka, JP· patent location history

2002–2007Based in Hirakata, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD	5	1993–2007
MITSUBISHI HEAVY IND LTD	1	1980

Locations