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MURAI MEGANE KOGYO KK

Overview
  • Total Patents
    11
About

MURAI MEGANE KOGYO KK has a total of 11 patent applications. Its first patent ever was published in 1981. It filed its patents most often in Japan. Its main competitors in its focus markets optics are MARUMAN OPTICAL KK, FUKUI KOKI KK and DOMANI EYEWEAR PTY LTD.

Patent filings in countries

World map showing MURAI MEGANE KOGYO KKs patent filings in countries
# Country Total Patents
#1 Japan 11

Patent filings per year

Chart showing MURAI MEGANE KOGYO 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 Murai Masaru 4
#2 Nomura Minoru 4
#3 Yoshida Tamamasa 3
#4 Fujita Takashi 1
#5 Asahara Shigeaki 1

Latest patents

Publication Filing date Title
JPS6344121A Bearing/electric signal converter
JPS6318324A Manufacture of spectacle rim
JPS62278524A Manufacture of spectacle temple
JPS62180324A Spectacle hinge using shape storing alloy plate as shaft material
JPS62159114A Working method for spectacle lens surface
JPS6244716A Manufacture of spectacle temple
JPS61245131A Groove line for spectacle lens frame
JPS61126523A Clamping case for portable operation tool
JPS58179818A Side temple of spectacles using superelastic alloy
JPS58179819A Nosepiece of spectacles
JPS57165299A Enlarging, contracting or same-shape reproducing device for lens pattern