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KK TOPCON

Overview
  • Total Patents
    347
  • GoodIP Patent Rank
    5,970
  • Filing trend
    ⇩ 40.0%
About

KK TOPCON has a total of 347 patent applications. It decreased the IP activity by 40.0%. Its first patent ever was published in 2002. It filed its patents most often in United States, EPO (European Patent Office) and China. Its main competitors in its focus markets measurement, medical technology and computer technology are TOPCON CORP, MCMORROW GERALD and QT Ultrasound LLC.

Patent filings per year

Chart showing KK TOPCONs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kumagai Kaoru 61
#2 Ohtomo Fumio 40
#3 Osaragi Kazuki 29
#4 Nishita Nobuyuki 28
#5 Fukuma Yasufumi 25
#6 Anai Tetsuji 21
#7 Akiba Masahiro 19
#8 Reisman Charles A 18
#9 Hayashi Takefumi 17
#10 Kodaira Jun-Ichi 15

Latest patents

Publication Filing date Title
US2019290117A1 Interferometric fundus imaging method
US2017307353A1 Swept-source optical coherence tomography (SS-OCT) phase stabilization with reference signal calibration
US2017241763A1 Methods and apparatus for phase stabilized swept-source optical coherence tomography (SS-OCT) including rescaling and dynamic range enhancement
WO2016175301A1 Light-emitting device and distance measurement device
US2016307314A1 OCT angiography calculation with optimized signal processing
US2016206190A1 Geographic atrophy identification and measurement
CN105823471A System of measuring three-dimensional position
CN105823470A Three-dimensional position measuring system
CN106716061A Survey information marking device and survey information marking method
EP2949266A1 Ophthalmologic apparatus
US2015201829A1 Geographic atrophy identification and measurement
US2015092181A1 Measuring method and measuring instrument
US2014300863A1 Ophthalmologic apparatus
US2016089020A1 Ophthalmologic imaging apparatus and ophthalmologic image display apparatus
US2014270444A1 Optic disc image segmentation method and apparatus
US2015204651A1 Detection of missampled interferograms in frequency domain OCT with a k-clock
EP2708968A2 Construction machine control method and construction machine control system
EP2708969A2 Construction machine control method and construction machine control system
EP3127474A1 Image displaying apparatus and image displaying method
EP2607846A2 Surveying apparatus