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MITAKA KOKI KK

Overview
  • Total Patents
    553
  • GoodIP Patent Rank
    8,869
  • Filing trend
    ⇩ 45.0%
About

MITAKA KOKI KK has a total of 553 patent applications. It decreased the IP activity by 45.0%. Its first patent ever was published in 1974. It filed its patents most often in Japan, United States and EPO (European Patent Office). Its main competitors in its focus markets environmental technology, optics and medical technology are MOELLER J D OPTIK, ZEISS CARL SURGICAL GMBH and HANGZHOU HANGKAI TECH CO LTD.

Patent filings per year

Chart showing MITAKA KOKI KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Nakamura Katsushige 363
#2 Doi Masao 101
#3 Nakamura Katsuyuki 80
#4 Miura Katsuhiro 33
#5 Yamazaki Toshio 27
#6 Nakata Yusuke 21
#7 Nakamura Masakazu 20
#8 Nakamura Giichi 10
#9 Ishima Minoru 9
#10 Kotajima Hideo 8

Latest patents

Publication Filing date Title
US2020054411A1 Surgical microscope apparatus
JP2021001990A Lateral speculum
JP2020032168A Stereoscopic observation apparatus for surgical operation
JP2020028705A Stereoscopic observation apparatus for surgical operation
JP2020178647A Daylighting structure of agricultural greenhouse
JP2020176756A Solar water heater
JP2020174558A Lighting structure for agricultural house
JP2020028702A Surgical microscope apparatus
JP2020118740A Stand device of optical equipment for medical care
JP2020112708A Multiple-mirror type heliostat
JP2020108667A Stereoscopic observation apparatus for surgery
JP2020076793A Secondary mirror of beam down type solar concentrator
JP2020076795A Mirror structure for heliostat
JP2020067491A Method for manufacturing mirror structure for heliostat
JP2020067490A Heliostat
JP2020018360A Medical stand device
JP2020018362A Suspension structure for supporting surgical microscope
JP2020018361A Suspension structure for supporting surgical microscope
JP2020003749A Illumination structure of operation microscope
JP2019219451A Solar heat reaction system