Inventor

Minoru Oyama

Inventor

Furukawa, JP

Overview

1981–2006

Patent span

Electricity

Primary field (CPC H)

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

H01Hprimary

H01HElectric switches18%

H05KPrinted circuits18%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients9%

C09DCoating compositions, e.g. paints, varnishes or lacquers9%

C23CCoating metallic material9%

G01DMeasuring not specially adapted for a specific variable9%

G02BOptical elements, systems or apparatus9%

G05GControl devices or systems insofar as characterised by mechanical features only9%

H02BBoards, substations or switching arrangements for the supply or distribution of electric power9%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1981–1991Patents assigned to ALPS ELECTRIC CO LTD (5)· patent assignee history

1981–1991Based in Furukawa, JP· patent location history

2003Patents assigned to FUJITSU LTD (1)· patent assignee history

2003Based in Kawasaki, JP· patent location history

2006Patents assigned to TORAY ENG CO LTD (1)· patent assignee history

2006Based in Chigasaki, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations