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CHARMANT INC

Overview
  • Total Patents
    39
  • GoodIP Patent Rank
    94,315
  • Filing trend
    ⇧ 25.0%
About

CHARMANT INC has a total of 39 patent applications. It increased the IP activity by 25.0%. Its first patent ever was published in 1998. It filed its patents most often in Japan, WIPO (World Intellectual Property Organization) and China. Its main competitors in its focus markets optics, medical technology and machines are JINS HOLDINGS INC, TITMUS OPTICAL INC and ESSILOR CANADA LTEE.

Patent filings per year

Chart showing CHARMANT INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Horikawa Kaoru 14
#2 Yamamoto Katsumi 4
#3 Fujii Taichi 3
#4 Ishikawa Shuichiro 3
#5 Ishikawa Syuichiro 2
#6 Tada Hiroyuki 2
#7 Ohki Takao 2
#8 Tadayoshi Mizuno 2
#9 Takahashi Kazuji 2
#10 Kihara Takeshi 2

Latest patents

Publication Filing date Title
JP2020146110A Optometry frame
WO2019117146A1 Reference-front-surface-setting device, measurement device, spectacles selection device, medical card creation device, measurement method, spectacles selection method, and medical card creation method
JP2020034706A glasses
JP2019109491A Method of setting reference front of three-dimensional facial image, method of selecting spectacles using the same, and method of generating customer records using the same
JP2019109313A Method of setting reference front of three-dimensional facial image, method of selecting spectacles using the same, and method of generating customer records using the same
JP2018198874A Optometry frame
JP2018180250A Nose pad for spectacles
JP2018084666A Ear pad of spectacles and spectacles provided with ear pad
JP2017158663A Medical needle hook instrument
JP2016182197A Retractor
JP2016080992A Spectacles without nose pad
JP2016009038A Eye glasses
JP2015217261A Surgical holding device
JP2014036814A Eyelid opening device
JP2013248333A Medical instrument
JP2011150040A Spectacles frame member and method for manufacturing the same
JP2010169980A Eyeglass turning structure and eyeglasses having the same
JP2009036799A Nose pad
JP2007016313A Structural member for eyeglass, eyeglass frame comprising the structural member, and processes for production of the structural member and the eyeglass frame
JP2007101975A Spectacle frame having material differing in bending rigidity