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SUMIDA ELECTRIC

Overview
  • Total Patents
    56
About

SUMIDA ELECTRIC has a total of 56 patent applications. Its first patent ever was published in 1975. It filed its patents most often in Japan and Taiwan. Its main competitors in its focus markets electrical machinery and energy, audio-visual technology and basic communication technologies are FERRISHIELD INC, SEKISHIN KOGYO KK and NIPPON FERRITE KK.

Patent filings in countries

World map showing SUMIDA ELECTRICs patent filings in countries
# Country Total Patents
#1 Japan 55
#2 Taiwan 1

Patent filings per year

Chart showing SUMIDA ELECTRICs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Horiuchi Kiyoshi 9
#2 Sasaki Naoki 8
#3 Hachiman Toshirou 6
#4 Ueda Hozumi 6
#5 Koyanagi Tsutomu 6
#6 Yamada Satoru 3
#7 Fushimi Tadayuki 3
#8 Kamei Kenji 2
#9 Hoshitsu Daiei 2
#10 Saitou Hideaki 2

Latest patents

Publication Filing date Title
JPH11219813A Terminal structure of surface mounted transformer
JPH11176669A Common mode choke coil
JPH11176663A Face mounting type of coil component
JPH11144973A Inductance element
JPH11135331A Inductance part
JPH11111537A Compact high-voltage transformer
JPH1178325A Non-contact type ic card
JPH1174152A Multiple-type electronic composite component
JPH1154334A Choke coil using strip-shaped winding wire
JPH1126254A Chip inductor
JPH1126255A Chip inductor
JPH10335084A Inverter transformer
JPH10303038A Coil device
JPH10256056A Choke coil for high frequency
JPH10256054A Choke coil
JPH10233325A Inverter transformer and its manufacture
JPH10135060A Manufacture of inductance element
JPH10106857A Coil device
JPH1055917A Multiply connected coil
JPH1014223A Step-up chopper