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SEI OPTIFRONTIER CO LTD

Overview
  • Total Patents
    333
  • GoodIP Patent Rank
    8,580
  • Filing trend
    ⇩ 62.0%
About

SEI OPTIFRONTIER CO LTD has a total of 333 patent applications. It decreased the IP activity by 62.0%. Its first patent ever was published in 2009. It filed its patents most often in Japan, WIPO (World Intellectual Property Organization) and China. Its main competitors in its focus markets optics, machines and machine tools are KOWALCZYK SCOTT C, TERASPAN NETWORKS INC and KADAR-KALLEN MICHAEL AARON.

Patent filings per year

Chart showing SEI OPTIFRONTIER CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Sato Ryuichiro 72
#2 Takayanagi Hiroshi 57
#3 Homma Toshihiko 43
#4 Hasegawa Masahiro 42
#5 Miyamori Makoto 37
#6 Suzuki Yuji 37
#7 Ooki Kazuyoshi 29
#8 Toyooka Hiroyasu 27
#9 Yokomachi Yukihiro 25
#10 Nishizawa Yoshiyuki 24

Latest patents

Publication Filing date Title
WO2020158336A1 Storage case
WO2020138093A1 Fusion splicing device lock release system
WO2020162064A1 Fusion splicing device and fusion splicing method
WO2020158240A1 Reinforcement sleeve heating device and fusion splicing machine
WO2020162044A1 Optical fiber fusion splicing method and fusion splicing device
WO2020122206A1 Fusion splicing device
WO2020144935A1 Fan-out cord and production method therefor
WO2020071166A1 Reinforcement device for optical fiber fusion splicing section and fusion splicer provided with same
WO2020066407A1 Optical fiber cutting device and optical fiber cutting method
WO2020044738A1 Optical fiber alignment jig, optical fiber fusion splicer equipped with optical fiber alignment jig, and method for aligning optical fiber
WO2019235224A1 Inspection system
JP2020098233A Base component, fan-out cord, and manufacturing method for fan-out cord
EP3730980A1 Fusion connection device, wireless information terminal, fusion connection system, and fusion connection method
WO2019117203A1 Fusion splicing apparatus management system and fusion splicing apparatus management method
EP3686859A1 Theft tracking system and theft tracking method for optical fiber fusion splicing device
EP3651135A1 Fusion splicing device, theft sensing system of fusion splicing device, and theft sensing method of fusion splicing device
JP2019158946A Optical connector, jig for removal, and cap
US10175443B1 Optical fiber rack
WO2018101222A1 Optical wiring rack
WO2018101215A1 Termination unit