Inventor

Kenichi Tanigawa

Inventor

Gunma, JP

Overview

1997–2015

Patent span

Electricity

Primary field (CPC H)

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

H10Hprimary

H10HInorganic light-emitting semiconductor devices having potential barriers21%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1021%

H01LSemiconductor devices14%

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 systems14%

G02BOptical elements, systems or apparatus7%

G03GElectrography7%

H01FMagnets7%

H05KPrinted circuits7%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1997Patents assigned to NIPPON STEEL CORP (2)· patent assignee history

1997Patents assigned to YUTAKA ELECTRIC MFG (2)· patent assignee history

1997Based in Kawasaki, JP· patent location history

2014–2015Patents assigned to OKI DATA KK (3)· patent assignee history

2014Patents assigned to FUJITA MINORU (1)· patent assignee history

2014Patents assigned to TANIGAWA KENICHI (1)· patent assignee history

2014–2015Based in Gunma, JP· patent location history

2014Based in Takasaki, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations