Learn more

OKAMOTO KOJI

Overview
  • Total Patents
    21
About

OKAMOTO KOJI has a total of 21 patent applications. Its first patent ever was published in 1989. It filed its patents most often in Japan, United States and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets furniture and games, optics and digital networks are SCHEIWILLER KURT, RADOW SCOTT B and TIANJN SHUNTIAN SHENGDIAN SPORTS EQUIPMENT CO LTD.

Patent filings in countries

World map showing OKAMOTO KOJIs patent filings in countries

Patent filings per year

Chart showing OKAMOTO KOJIs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Okamoto Koji 21
#2 Kondo Jun 1
#3 Kabuki Kohei 1
#4 Maxson Ben 1
#5 Tanaka Gentaro 1
#6 Obikane Ken 1
#7 Sato Hachitaro 1
#8 Madarame Haruki 1

Latest patents

Publication Filing date Title
JP2015016152A Racket frame
JP2013221049A Ultraviolet and infrared shielding coating agent and ultraviolet and infrared shielding coating film
US2011314344A1 Interactive test device and a method of testing of a cable network
JP2009136527A Racket with hitting central position matched with position of node of two-node bending vibration
US2007121712A1 Characterizing broadband communication networks
EP1426082A1 Sequential vibration preventer and vibration control structure for ball hitting implement
JP2003245388A Anti-vibration and anti-slip tool for grip end of baseball bat
JP2003038687A Successive vibration preventing tool in ball hitting instrument
JP2002365023A Apparatus and method for measurement of liquid level
WO02053236A1 Grip end bottom additional-weighting weight, and grip end bottom additional-weighting structure
JP2001252377A Balance regulating weight in ball hitting goods
JP2001187173A Weight for racket
JPH02200880A Copy dyeing