Learn more

HARTE JAMES RICHARD

Overview
  • Total Patents
    11
About

HARTE JAMES RICHARD has a total of 11 patent applications. Its first patent ever was published in 1973. It filed its patents most often in United States. Its main competitors in its focus markets control and computer technology are KUANG CHIEN COMP CO LTD, KYOTO KAGAKU CO LTD and LIU ZHENGQIN.

Patent filings in countries

World map showing HARTE JAMES RICHARDs patent filings in countries
# Country Total Patents
#1 United States 11

Patent filings per year

Chart showing HARTE JAMES RICHARDs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Harte James Richard 11

Latest patents

Publication Filing date Title
US2013236864A1 Use of colored beads in an augmented simple abacus
US2013052617A1 Use of beads on a rope, with a parallel printed sequence
US2012028229A1 Augmented simple abacus with an underlying grid of numbers or a blank sheet
US2011104646A1 Progressive synthetic phonics
US4065858A Instructional apparatus with elastic sheet
US3964176A Instructional apparatus with movable blank sheet
US3935649A Multi-purpose mathematical aid
US3902255A Rapid feedback test board
US3928923A Mathematical balance
US3949491A Mathematical teaching aid
US3880349A Cylindrical calculator