Learn more

MEGADIAMOND CORP

Overview
  • Total Patents
    18
About

MEGADIAMOND CORP has a total of 18 patent applications. Its first patent ever was published in 1969. It filed its patents most often in United States, Canada and Germany. Its main competitors in its focus markets chemical engineering, materials and metallurgy and machine tools are HUNAN YINHE CERAMICS IND CO LTD, CELLARIS LTD and NICHIEE YOSHIDA KK.

Patent filings in countries

World map showing MEGADIAMOND CORPs patent filings in countries
# Country Total Patents
#1 United States 5
#2 Canada 2
#3 Germany 2
#4 United Kingdom 2
#5 Belgium 1
#6 France 1
#7 Ireland 1
#8 Luxembourg 1
#9 Netherlands 1
#10 Sweden 1
#11 South Africa 1

Patent filings per year

Chart showing MEGADIAMOND CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hall H T 8
#2 Hall Howard T 4
#3 Hall H 3
#4 Pope B 1
#5 Horton Marvin Duane 1

Latest patents

Publication Filing date Title
ZA7402148B Diamond-nondiamond carbon polycrystalline composites
US3913280A Polycrystalline diamond composites
US3829544A Method of making a unitary polycrystalline diamond composite and diamond composite produced thereby
US3819814A Plural molded diamond articles and their manufacture from diamond powders under high temperature and pressure
US3816085A Diamond-nondiamond carbon polycrystalline composites
CA1070123A Diamond compacts
US3597158A Method of making diamonds