Learn more

CHARMANT CO LTD

Overview
  • Total Patents
    24
  • GoodIP Patent Rank
    207,422
About

CHARMANT CO LTD has a total of 24 patent applications. Its first patent ever was published in 1998. It filed its patents most often in EPO (European Patent Office), WIPO (World Intellectual Property Organization) and China. Its main competitors in its focus markets optics, materials and metallurgy and medical technology are VISION MEGANE KK, ZEISS CARL VISION INC and CROSS ANDREW JAY.

Patent filings per year

Chart showing CHARMANT CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Horikawa Kaoru 10
#2 Tada Hiroyuki 6
#3 Yamamoto Katsumi 3
#4 Yoshimura Kazue 2
#5 Min Wang Xin 2
#6 Tajima Yasuhiro 2
#7 Wang Xin Min 2
#8 Mizuno Tadayoshi 1
#9 Kaoru Horikawa 1
#10 Kobayasi Mitsuo 1

Latest patents

Publication Filing date Title
WO2016017663A1 Surgical clip
US9477095B1 Eyeglasses
EP2932923A1 Medical instrument
WO2011117909A1 Glasses
WO2010041465A1 Temples and eyeglasses with same
WO2006132409A1 Structural member for eyeglass, eyeglass frame comprising the structural member, and processes for production of the structural member and the eyeglass frame
EP0945751A1 Turning mechanism of eye glasses and eye glasses provided with the turning mechanism