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MARUMAN OPTICAL KK

Overview
  • Total Patents
    12
About

MARUMAN OPTICAL KK has a total of 12 patent applications. Its first patent ever was published in 1998. It filed its patents most often in Japan and Taiwan. Its main competitors in its focus markets optics are ZELMAN GARY MARTIN, MITANI OPTICAL KK and SANRIIBU KK.

Patent filings in countries

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

Patent filings per year

Chart showing MARUMAN 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 Hirano Kazuo 12

Latest patents

Publication Filing date Title
JP2013037328A Hinge structure of spectacles
JP2010286804A Hinge for eyeglasses
JP2004348097A Nose pad for frame of spectacles
JP2004272176A Rim locking mechanism of spectacle frame
JP2003215505A Spectacle frame
JP2003121803A Flap-up type spectacle frame
JP2003015089A Flip-up spectacle frame
JP2000336470A Production of article having antibacterial characteristic, spectacles having antibacterial characteristic, wrist-watch having antibacterial characteristic, ornament having antibacterial characteristic and daily sundry having antibacterial characteristic
JP2001091902A Spring-up type spectacle frame
JP2000111711A Connecting structure of spectacles
JPH11258551A Hinge of spectacles