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SANWA DENKI KOGYO CO LTD

Overview
  • Total Patents
    247
  • GoodIP Patent Rank
    19,170
  • Filing trend
    ⇧ 28.0%
About

SANWA DENKI KOGYO CO LTD has a total of 247 patent applications. It increased the IP activity by 28.0%. Its first patent ever was published in 1985. It filed its patents most often in Japan, United States and EPO (European Patent Office). Its main competitors in its focus markets optics, electrical machinery and energy and telecommunications are ADC TELECOMMUNICATIONS SHANGHAI DISTRIB CO LTD, NREAL TECH CO LTD and THALES OPTICS LTD.

Patent filings in countries

World map showing SANWA DENKI KOGYO CO LTDs patent filings in countries
# Country Total Patents
#1 Japan 195
#2 United States 25
#3 EPO (European Patent Office) 18
#4 China 7
#5 Hong Kong 1
#6 Taiwan 1

Patent filings per year

Chart showing SANWA DENKI KOGYO CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Sato Takashi 71
#2 Ishii Takuji 56
#3 Hioki Kosuke 45
#4 Watanabe Yasuhiro 39
#5 Suzuki Yasuo 29
#6 Shinozaki Tatsuto 24
#7 Iguchi Yorio 22
#8 Shinagawa Yuji 18
#9 Hojo Mikio 14
#10 Ishimine Nobuo 13

Latest patents

Publication Filing date Title
JP2020134907A Optical connector
JP2020087603A Plug lock assembly
JP2020067602A Adapter with lc-type 2-fiber shutter
US10545295B1 Optical adapter with shutter
JP2020046582A Lc uni-boot plug connector
JP2020046580A LC type simple optical connector
JP2020046456A Optical connector plug connection detection mechanism
JP2020042091A Optical connector
JP2019184942A Mpo plug mini-adapter
JP2019175601A Shield patch panel for telecommunication
JP2019158957A Lc type simple connector plug and optical connector device using plug
JP2019132929A Optical connector
JP2019117299A Patch panel
JP2019095498A Caps for optical adapter and manufacturing equipment for the same
JP2019082588A Adapter backlash prevention mechanism for optical connector
JP2019053123A Tab for optical connector
JP2019020461A Peeling error prevention tool of optical connector plug
JP2018186042A Patch panel
JP2018186043A Patch panel
JP2018151560A Optical adaptor with shutter