Inventor

Takashi Kunimatsu

Inventor

Shiga, JP

Overview

12→

Patents

2006–2015

Patent span

Electricity

Primary field (CPC H)

Patents· 12 as inventor

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 systems25%

H05BElectric heating25%

Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications20%

B23KSoldering or unsoldering5%

F21YIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to the form or the kind of the light sources or of the colour of the light emitted5%

G05FSystems for regulating electric or magnetic variables5%

H03KPulse technique5%

H10DInorganic electric semiconductor devices5%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h105%

PatentTitleYear

9,131,563'Light-emitting diode driving apparatus and semiconductor device'2015 9,131,568'Light-emitting diode driving apparatus and semiconductor device'2015 8,242,765'Switching power supply device and semiconductor device used for the same'2012 8,120,343'Switching power supply and semiconductor device used for the same'2012 7,919,818'Semiconductor device'2011 7,834,828'Led driving semiconductor apparatus provided with controller including regulator and drain current detector of switching element block'2010 7,830,097'Semiconductor circuit for driving light emitting diode, and light emitting diode driving apparatus'2010 7,638,954'Light emitting diode drive apparatus'2009 7,508,254'Reference supply voltage circuit using more than two reference supply voltages'2009 7,439,719'Switching control circuit with off period adjustment'2008 7,348,766'Switching power supply device'2008 7,145,223'Semiconductor device'2006

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2006–2008Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (3)· patent assignee history

2006–2010Based in Osaka, JP· patent location history

2008–2015Based in Shiga, JP· patent location history

2008Based in Takatsuki, JP· patent location history

2009–2012Patents assigned to PANASONIC CORP (7)· patent assignee history

2012Patents assigned to KUNIMATSU TAKASHI (2)· patent assignee history

2012Based in Kadoma, JP· patent location history

2015Patents assigned to PANASONIC IP MAN CO LTD (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
PANASONIC CORP	7	2009–2012
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD	3	2006–2008
KUNIMATSU TAKASHIself	2	2012
PANASONIC IP MAN CO LTD	2	2015

Locations

Location	Patents	Span
Shiga, JP	7	2008–2015
Osaka, JP	3	2006–2010
Kadoma, JP	1	2012
Takatsuki, JP	1	2008