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EXCEL GANKYO KK

Overview
  • Total Patents
    17
  • GoodIP Patent Rank
    240,014
  • Filing trend
    ⇩ 100.0%
About

EXCEL GANKYO KK has a total of 17 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 1998. It filed its patents most often in Japan. Its main competitors in its focus markets optics are 21 KK, CROSSBOWS OPTICAL LTD and VISOPTICAL LLC.

Patent filings in countries

World map showing EXCEL GANKYO KKs patent filings in countries
# Country Total Patents
#1 Japan 17

Patent filings per year

Chart showing EXCEL GANKYO KKs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Optics

Focus technologies

# Technology
#1 Spectacles

Top inventors

# Name Total Patents
#1 Sasaki Eiji 10
#2 Sasaki Seitoku 7
#3 Ishii Kaoru 1

Latest patents

Publication Filing date Title
JP2018189763A Bifocal spectacles
JP2014215368A Front-hung spectacles and cap for attaching front-hung frame
JP2014137381A Temple structure for spectacle frame
JP2013186441A Temple joint structure of spectacle frame
JP2012127999A Clip-on spectacles
JP2010281920A Cover type spectacle frame and cover front portion
JP2010281917A Bounding type spectacle frame
JP2010197683A Clip-on spectacle frame and clip-on front portion
JP2008203866A Temple joint structure of spectacle frame
JP2009151134A Temple attaching structure of spectacle frame
JP2008107396A Temple joint structure for spectacle frame
JP2007024955A Temple attaching structure of glasses frame
JP2003043425A Nose pad of spectacles flame
JP2002182169A Ornamental parts of spectacles and attaching structure for ornamental parts
JP2002182165A Temple of spectacles frame
JP2001264703A Spring hinge for spectacles
JPH11326844A Curvilineaer joint structure for spectacle frame