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YOSHIOKA TETSUO

Overview
  • Total Patents
    24
About

YOSHIOKA TETSUO has a total of 24 patent applications. Its first patent ever was published in 1980. It filed its patents most often in Japan and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets optics are FOUR NINES CO LTD, DOMANI EYEWEAR PTY LTD and PARETO CORP.

Patent filings in countries

World map showing YOSHIOKA TETSUOs patent filings in countries

Patent filings per year

Chart showing YOSHIOKA TETSUOs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Optics

Focus technologies

# Technology
#1 Spectacles

Top inventors

# Name Total Patents
#1 Yoshioka Tetsuo 24
#2 Suehiro Junro 1
#3 Shirasaki Taketoshi 1
#4 Nakagawa Hirofumi 1

Latest patents

Publication Filing date Title
JP2014073336A Portable hanger for trousers
JP2005266719A Spectacle component
JP2004244393A Cell function regulation agent
JP2003329980A Spectacle frame
JP2001305487A Spectacles and spectacle frame
JP2001051239A Spectacles frame
JP2001032648A Heat ray shielding structure
JPH11299515A Additive power for manufacturing ornament
JPH11271690A End cover for temple
JPH11271688A Attaching structure for spectacle component
JPH11231266A Nut for clamping spectacle component
JPH1138370A Spectacles for preventing electromagnetic wave affection
JPH1124004A Screw device for clamping spectacle component
JPH1124005A Fastener for spectacles
JPH1096877A Accessory
JPH09329767A Lens fixing structure of rimless spectacle frame
JPH09329772A Ornamental structure of spectacle frame
JPH09329768A Spectacle frame having noble metal parts
JPH08292402A Spectacle frame
JPH07294856A Metallic spectacles frame