Inventor

Masaharu Yamaji

Inventor

Matsumoto, JP

Overview

2006–2020

Patent span

Electricity

Primary field (CPC H)

Patents· 41 as inventor

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

H10Dprimary

H10DInorganic electric semiconductor devices34%

H01LSemiconductor devices25%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1022%

H03KPulse technique9%

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 systems5%

H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h103%

G01RMeasuring electric variables1%

G05FSystems for regulating electric or magnetic variables1%

H02HEmergency protective circuit arrangements1%

PatentTitleYear

10,825,812Semiconductor integrated circuit2020 10,727,180Resistive element and method of manufacturing the resistive element2020 10,658,504Semiconductor integrated circuit device2020 10,566,412High voltage junction field effect transistor (JFET) with spiral voltage divider2020 10,566,410High breakdown voltage passive element2020 10,547,304Semiconductor integrated circuit for driving switching device with integrated negative voltage clamp diode2020 10,396,167Semiconductor device2019 10,367,056Semiconductor device2019 10,224,390High breakdown voltage passive element and high breakdown voltage passive element manufacturing method2019 10,217,861High voltage integrated circuit with high voltage junction termination region2019 10,217,765Semiconductor integrated circuit2019 10,192,870Semiconductor device2019 10,135,445Semiconductor integrated circuit device2018 10,121,783Semiconductor integrated circuit and semiconductor module2018 10,043,872Semiconductor device2018 10,002,961Semiconductor device suppressing current leakage in a bootstrap diode2018 9,773,878'Semiconductor device and manufacturing method thereof'2017 9,762,048'Semiconductor device'2017 9,722,019'High voltage integrated circuit device'2017 9,711,659'Semiconductor device'2017 9,608,072'Semiconductor device'2017 9,537,486'Semiconductor device and power conversion device using the same'2017 9,478,543'Semiconductor integrated circuit'2016 9,443,966'High breakdown voltage semiconductor device'2016 9,412,732'Semiconductor device'2016 9,385,125'Semiconductor integrated circuit device'2016 9,293,525'Semiconductor device and method of manufacturing semiconductor device'2016 9,136,326'Semiconductor device with increased ESD resistance and manufacturing method thereof'2015 9,117,797'High-voltage semiconductor device'2015 8,860,172'High voltage semiconductor device'2014 8,841,744'Semiconductor apparatus'2014 8,704,328'High-voltage integrated circuit device'2014 8,674,729'High voltage semiconductor device and driving circuit'2014 8,633,563'High-voltage integrated circuit device'2014 8,546,889'Semiconductor device and driving circuit'2013 8,507,998'Semiconductor device'2013 8,368,141'High breakdown voltage semiconductor device and high voltage integrated circuit'2013 8,269,305'High-voltage semiconductor device'2012 8,242,572'Semiconductor apparatus'2012 8,148,785'Semiconductor device'2012 7,144,781'Manufacturing method of a semiconductor device'2006

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2006Patents assigned to FUJI ELEC DEVICE TECH CO LTD (1)· patent assignee history

2006–2020Based in Nagano, JP· patent location history

2012–2020Patents assigned to FUJI ELECTRIC CO LTD (40)· patent assignee history

2012–2014Patents assigned to YAMAJI MASAHARU (9)· patent assignee history

2012–2013Patents assigned to KITAMURA AKIO (2)· patent assignee history

2012–2020Based in Matsumoto, JP· patent location history

2014Patents assigned to IMAI TOMOHIRO (1)· patent assignee history

2018Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
FUJI ELECTRIC CO LTD	40	2012–2020
YAMAJI MASAHARUself	9	2012–2014
KITAMURA AKIO	2	2012–2013
FUJI ELEC DEVICE TECH CO LTD	1	2006
IMAI TOMOHIRO	1	2014

Locations

Location	Patents	Span
Matsumoto, JP	36	2012–2020
Nagano, JP	4	2006–2020
Kanagawa, JP	1	2018