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SEIKO GIKEN KK

Overview
  • Total Patents
    872
  • GoodIP Patent Rank
    18,517
  • Filing trend
    ⇩ 51.0%
About

SEIKO GIKEN KK has a total of 872 patent applications. It decreased the IP activity by 51.0%. Its first patent ever was published in 1975. It filed its patents most often in Japan, United States and EPO (European Patent Office). Its main competitors in its focus markets optics, machines and machine tools are EMTELLE UK LTD, ASTER CORP and MODINES LTD OY.

Patent filings per year

Chart showing SEIKO GIKEN KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Takahashi Mitsuo 243
#2 Hori Masaki 101
#3 Yamada Kunio 54
#4 Taira Junji 49
#5 Sugimoto Katsumi 45
#6 Sakamoto Yasuyoshi 40
#7 Kuroba Toshiaki 35
#8 Suzuki Masami 35
#9 Jibiki Masayuki 33
#10 Shiokawa Naotoshi 29

Latest patents

Publication Filing date Title
US2020271870A1 Optical connector
JP2020197658A Eccentricity measuring device
JP2020170135A MPO optical connector plug
JP2020163475A Optical fiber ferrule polishing holder
JP2020148960A Small-sized lens unit
JP2020144171A Plug tool, plug, and cable with plug
JP2020034713A Mist screen coupling device and mist screen formation device
JP2019032530A Optical connector adapter
JP2020008537A Voltage probe head
JP2020001005A Liquid discharge device
US2018356602A1 Optical connector
JP2019184768A Mist screen formation device
JP2019174202A Performance evaluation device of hollow cylindrical body
JP2019135427A Ultrasonic type atomizer
JP2019028425A Optical connector plug and double-series optical connector plug
JP2019084506A Ultrasonic atomization device
JP2019066337A Measuring probe
JP2019018163A Automatic dilution apparatus and spray device
US9941631B1 Plug and cable with plug
JP2019010682A Fixing jig and polishing jig of optical fiber cable and end face polishing apparatus of optical fiber ferrule