Inventor

Tadahiko Matsumoto

Inventor

Yokohama, JP

Overview

32→

Patents

1994–2017

Patent span

Electricity

Primary field (CPC H)

Patents· 32 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 systems52%

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

H01FMagnets11%

H05KPrinted circuits11%

H02HEmergency protective circuit arrangements4%

H04NPictorial communication, e.g. television2%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests2%

PatentTitleYear

9,748,851'Switching power supply apparatus with snubber circuit'2017 8,374,002'Isolated switching power supply apparatus'2013 8,374,003'Isolated switching power supply apparatus'2013 8,335,092'Isolated switching power supply apparatus'2012 8,334,747'Coil-integrated switching power supply module'2012 8,315,073'Isolated switching power supply device'2012 7,773,392'Isolated switching power supply apparatus'2010 7,729,136'Isolated DC-DC converter'2010 7,596,009'Double-ended isolated DC-DC converter'2009 7,480,158'Synchronous rectifying forward converter'2009 7,403,397'Switching power-supply module'2008 7,113,379'DC-DC converter'2006 6,879,499'DC-DC converter'2005 6,778,412'Synchronous converter with reverse current protection through variable inductance'2004 6,757,174'Switching power-supply module'2004 6,690,256'Coil device'2004 6,597,588'Insulating-type switching electric power source device'2003 6,574,081'DC-DC converter'2003 6,414,861'DC-DC converter'2002 6,380,836'Coil device and switching power supply apparatus using the same'2002 6,373,736'Isolated converter'2002 6,314,005'DC-DC converter which compensates for load variations'2001 6,295,214'Switching power supply unit'2001 6,281,779'Coil device and switching power supply apparatus using the same'2001 6,185,114'Isolating DC-DC converter'2001 6,181,579'DC-DC converter'2001 6,130,826'Switching power supply with auxiliary power supply device for initialization'2000 6,038,144'DC-DC converter'2000 5,953,219'Control circuit power supply circuit and power supply circuit including same'1999 5,892,665'Overcurrent protection circuit'1999 5,745,357'Regulator circuit and multi-output switching power unit using the regulator circuit'1998 5,278,746'High voltage generator'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994–2017Patents assigned to MURATA MANUFACTURING CO (32)· patent assignee history

1994–2017Based in Nagaokakyo, JP· patent location history

1998–2008Based in Yokohama, JP· patent location history

2001Based in Yokahama, JP· patent location history

2003Based in Kanagawa, JP· patent location history

2009–2012Based in Otsu, JP· patent location history

2012–2013Patents assigned to MATSUMOTO TADAHIKO (5)· patent assignee history

2012Patents assigned to HOSOTANI TATSUYA (1)· patent assignee history

2012Patents assigned to MOROMIZATO EITO (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MURATA MANUFACTURING CO	32	1994–2017
MATSUMOTO TADAHIKOself	5	2012–2013
HOSOTANI TATSUYA	1	2012
MOROMIZATO EITO	1	2012

Locations

Location	Patents	Span
Yokohama, JP	19	1998–2008
Nagaokakyo, JP	6	1994–2017
Otsu, JP	5	2009–2012
Kanagawa, JP	1	2003
Yokahama, JP	1	2001