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HASEGAWA GANKYO KK

Overview
  • Total Patents
    26
About

HASEGAWA GANKYO KK has a total of 26 patent applications. Its first patent ever was published in 1997. It filed its patents most often in Japan. Its main competitors in its focus markets machines and optics are PETERSEN POUL, BRANICK MFG INC and VEBR JAN.

Patent filings in countries

World map showing HASEGAWA GANKYO KKs patent filings in countries
# Country Total Patents
#1 Japan 26

Patent filings per year

Chart showing HASEGAWA GANKYO KKs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Machines
#2 Optics

Focus technologies

Top inventors

# Name Total Patents
#1 Hasegawa Akihiro 8
#2 Tsuneoka Hideo 5
#3 Muraoka Tatsuaki 4
#4 Mizuma Toshihiko 3
#5 Yamaguchi Tatsuya 2
#6 Uno Mitsuru 1
#7 Hayashi Kyoji 1
#8 Iwaki Kana 1
#9 Takashima Shokichi 1
#10 Saito Rie 1

Latest patents

Publication Filing date Title
JP2009063978A Connecting structure of replaceable temple
JP2008276148A Elastic fitting-in hinge piece and fitting structure thereof
JP2008129566A Single action attachable and detachable screwless magnetic attraction hinge, and temple exchange system utilizing the same
JP2008077021A Resin-made spectacle frame and manufacturing method thereof
JP2007304533A Spectacles
JP2006047468A Components for spectacle frame and spectacle frame
JP2005128462A Decorative spectacle frame components
JP2005062792A Lens grip decorative piece and rimless spectacles equipped therewith
JP2004348098A End-piece for spectacles and spectacles equipped therewith
JP2004309993A Lens for spectacles friendly to eyes and spectacles
JP2004177909A Decoration spectacle frames and decoration method
JP2003211482A Method for manufacturing synthetic resin molded product having shape variable performance and molded product
JP2002365595A Method for manufacturing spectacles frame and spectacles frame manufactured thereby
JP2002357792A Fastening structure of two-point spectacles
JP2002341293A Bushing for fastening and fastening structure of two- point spectacles using the same
JP2002228986A Fingertip attachable and detachable spectacles
JP2002189197A Resin wraparound endpiece with opening angle adjustment mechanism and spectacles using the same
JP2002189198A Resin part connecting structure for spectacles
JP2002189196A Resin bridge for two-point spectacles
JP2002062509A Ornaments to impart functionality to hinge and its fastening structure