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SUMIDA ELECTRIC CO LTD

Overview
  • Total Patents
    21
About

SUMIDA ELECTRIC CO LTD has a total of 21 patent applications. Its first patent ever was published in 1998. It filed its patents most often in Japan and United States. Its main competitors in its focus markets electrical machinery and energy and environmental technology are SUMIDA Components & Modules GmbH, HITACHI FERRITE ELECTR CO LTD and KONISHI ISEO.

Patent filings in countries

World map showing SUMIDA ELECTRIC CO LTDs patent filings in countries
# Country Total Patents
#1 Japan 18
#2 United States 3

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Fushimi Tadayuki 5
#2 Kawashima Takeo 3
#3 Meguro Fumihito 2
#4 Sano Kan 2
#5 Uratani Tatsuaki 2
#6 Yamada Satoru 2
#7 Watanabe Yoshito 1
#8 Takada Yoshisue 1
#9 Nagai Yoshimitsu 1
#10 Watanabe Tsutomu 1

Latest patents

Publication Filing date Title
JP2012016282A Wave winding coil and manufacturing method of rectangular wire
JP2010233449A Continuously wound coil, set of continuously wound coil, and stator
JP2010238666A Wire, and method of manufacturing the same
JP2005149585A Optical pickup
JP2005129191A Optical pickup
JP2000216032A Narrow-width transformer
JP2000195727A Inductance element
JP2000195723A Inductance element
JP2000124038A High-frequency transformer and auxiliary tool for wiring
JP2000077239A Shield thin transformer
JP2000032774A Power supply utilizing piezoelectric transformer
JPH11340045A High-frequency transformer and its manufacture
JPH11340049A High frequency transformer
JPH11312616A Manufacture of coil for contactless charger
JPH11307149A Terminal pin and terminal pin device
JPH11297536A Composite terminal type transformer
JPH11251840A Fm circuit
JPH11251149A Ceramic chip coil