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SANKEN ELECTRIC CO LTD

Overview
  • Total Patents
    4,956
  • GoodIP Patent Rank
    1,924
  • Filing trend
    ⇩ 39.0%
About

SANKEN ELECTRIC CO LTD has a total of 4,956 patent applications. It decreased the IP activity by 39.0%. Its first patent ever was published in 1968. It filed its patents most often in Japan, United States and China. Its main competitors in its focus markets semiconductors, electrical machinery and energy and environmental technology are INFINEON TECHNOLOGIES AUSTRIA AG, ALPHA & OMEGA SEMICONDUCTOR CAYMAN LTD and FAIRCHILD KR SEMICONDUCTOR LTD.

Patent filings per year

Chart showing SANKEN ELECTRIC CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Usui Hiroshi 157
#2 Otsuka Koji 150
#3 Morita Koichi 146
#4 Kimura Kengo 145
#5 Sato Ken 133
#6 Iwabuchi Akio 130
#7 Tsuruya Mamoru 125
#8 Shikauchi Hiroshi 107
#9 Aso Shinji 98
#10 Yokoyama Takaaki 81

Latest patents

Publication Filing date Title
US10910952B1 Control apparatus and method for current resonance circuit and current resonance power supply
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WO2021048964A1 Processor and event processing method
WO2021005654A1 A/d conversion circuit
JP2021010234A Uninterruptible power supply device system
JP2020202321A Semiconductor device
CN112072896A Control device and method for power equipment
US2020389051A1 Non-contact power supply apparatus and non-contact power transmission system
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JP2020168658A Metal joining method
CN111785694A Semiconductor device and electronic apparatus
CN111785693A Semiconductor device and electronic apparatus
WO2020202335A1 Switching power supply device
JP2020145788A Energy storage system
JP2020118521A Arc detector
JP2020120462A Resonance type power converter
JP2020113815A Semiconductor device
WO2020129175A1 Semiconductor device
WO2020121508A1 Semiconductor device
WO2020121507A1 Semiconductor device