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SUMITOMO ELECTRIC CO

Overview
  • Total Patents
    41
About

SUMITOMO ELECTRIC CO has a total of 41 patent applications. Its first patent ever was published in 1971. It filed its patents most often in China, Republic of Korea and United States. Its main competitors in its focus markets electrical machinery and energy, machines and semiconductors are TOTANKAKO CO LTD, ITT and REIKEMU PONTOWAAZU SA.

Patent filings in countries

World map showing SUMITOMO ELECTRIC COs patent filings in countries
# Country Total Patents
#1 China 19
#2 Republic of Korea 17
#3 United States 4
#4 France 1

Patent filings per year

Chart showing SUMITOMO ELECTRIC COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Matsuyama Fumio 2
#2 Masuda Shigeo 2
#3 Nakada Akio 2
#4 Chimi Seko 2
#5 Matsushita Nobutaka 2
#6 Masaaki Senshima 2
#7 Shigehisa Ueda 1
#8 Yoshiichi Aoda Takahiko Suemor 1
#9 Ashida Hiroshi 1
#10 Yasuo Matsushita 1

Latest patents

Publication Filing date Title
CN1260613A Shield connector and method for connecting shield connector and shield line
CN1217439A The wear detecting probe that is used for brake pad
CN1135607A Voltage-resistant test device
US5578984A Tire air pressure reduction detecting method and apparatus
US5144039A Process for producing optically active alcohol
KR910006367B1 Chip package device
KR910000731B1 Process for production of optical fiber
KR810002106B1 Process for electrolytic etching
KR860001324B1 Manufacturing method of straight angle insulation wire
KR860001323B1 Manufacturing method of straight angle insulation wire
KR810000350B1 Molten metal plating method for wire