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SANSHA ELECTRIC MFG CO LTD

Overview
  • Total Patents
    1,388
  • GoodIP Patent Rank
    10,870
  • Filing trend
    ⇩ 37.0%
About

SANSHA ELECTRIC MFG CO LTD has a total of 1,388 patent applications. It decreased the IP activity by 37.0%. Its first patent ever was published in 1972. It filed its patents most often in Japan, United States and China. Its main competitors in its focus markets electrical machinery and energy, environmental technology and machine tools are BEIJING SUPLET POWER CO LTD, LASER SYSTEM KK and LASER SYSTEMS INC.

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Ishii Hideo 207
#2 Moriguchi Haruo 194
#3 Danjo Kenzo 166
#4 Katooka Masao 127
#5 Kano Kunio 108
#6 Ikeda Tetsuro 104
#7 Okamoto Shigeru 96
#8 Arai Toru 92
#9 Fujiyoshi Toshiichi 91
#10 Aoyama Masahiro 75

Latest patents

Publication Filing date Title
EP3817230A1 Gate drive circuit
JP2020120131A Semiconductor element fitting substrate
WO2021019802A1 Semiconductor module
JP2020178060A External terminal for semiconductor module
JP2020129947A Power supply circuit for transient thermal resistance measurement of semiconductor device
JP2020123691A Semiconductor product
JP2020102912A Three-phase unbalance suppressing device
JP2020043183A Semiconductor device
JP2018191514A Electric power device
JP2020025398A Power unit
JP2020018082A Power control system
GB201820048D0 Discharge lamp lighting control device and lamp current supply method
CN109845409A Discharge lamp lighting control device and lamp current supply method
JP2019161129A Circuit module
JP2019146335A Power supply device
JP2019125611A Electric apparatus
JP2019117848A Electrical device
JP2019110206A Water-cooled transformer
JP2019102758A Semiconductor module
JP2019102613A Inspection method of PiN diode and manufacturing method of PiN diode