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KANDA OPTICAL

Overview
  • Total Patents
    17
About

KANDA OPTICAL has a total of 17 patent applications. Its first patent ever was published in 1985. It filed its patents most often in United States, EPO (European Patent Office) and Hong Kong. Its main competitors in its focus markets optics, medical technology and consumer goods are SHAO JIERU, ZHENJIANG WANXIN OPTICAL GLASSES CO LTD and & COMMERCIALE DES OUVRIERS LUN.

Patent filings in countries

World map showing KANDA OPTICALs patent filings in countries
# Country Total Patents
#1 United States 5
#2 EPO (European Patent Office) 3
#3 Hong Kong 3
#4 Republic of Korea 3
#5 Singapore 2
#6 Australia 1

Patent filings per year

Chart showing KANDA OPTICALs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Optics
#2 Medical technology
#3 Consumer goods

Top inventors

# Name Total Patents
#1 Kanda Koji 7
#2 Kanda Kouji 5
#3 Tanaka Haruka 1
#4 Koji Kanda 1
#5 Kanda Kouzi 1
#6 Kouji Kanda 1

Latest patents

Publication Filing date Title
KR20060050957A Thinly elongated eyeglasses frame and case
SG81181A1 Encased foldable spectacles
US5640218A Foldable spectacles with temple members having deformable earpieces for fitting into compact case
US5300963A Structure for attaching member for protecting eyes from wind and dust
EP0515826A1 Foldable spectacle frame
HK2989A Collapsible glasses frame
US4886340A Optical device for precision work
US4820035A Collapsible spectacles