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MITANI OPTICAL KK

Overview
  • Total Patents
    11
About

MITANI OPTICAL KK has a total of 11 patent applications. 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 MUST CARTIER FRANCE, GIUSEPPE RATTI IND ITALIANA OC and FUAA SEAL KIKAKU KK.

Patent filings in countries

World map showing MITANI OPTICAL KKs patent filings in countries
# Country Total Patents
#1 Japan 11

Patent filings per year

Chart showing MITANI OPTICAL 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 Inaida Shuichi 3
#2 Sakai Osamu 2
#3 Tanaka Toyoichi 2
#4 Shimokawa Kenichiro 1
#5 Inoue Yuuki 1
#6 Ota Tomohide 1
#7 Kariya Hiroyuki 1
#8 Ochita Seizo 1
#9 Yamamoto Yoshitaka 1
#10 Ito Kenichi 1

Latest patents

Publication Filing date Title
JP2007206383A Hinging mechanism of spectacle frame
JP2006195336A Spring hinge spectacles
JP2006081857A Spectacle case
JP2004294794A Rim lock spectacles and manufacturing method therefor
JP2004252026A Elastic temple of spectacles
JP2003255281A Spectacles provision system
JP2003058913A Eyeglasses presentation system
JP2001154154A Rimless spectacles using bent metallic parts, and the bent metallic parts
JP2001147405A Composite hinge mechanism of spectacle temple
JP2000010053A Connecting structure of spectacle temple
JPH11271693A Decoration structure for spectacle component