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ISHIZUKA KENKYUSHO

Overview
  • Total Patents
    75
About

ISHIZUKA KENKYUSHO has a total of 75 patent applications. Its first patent ever was published in 1976. It filed its patents most often in Japan. Its main competitors in its focus markets materials and metallurgy, chemical engineering and basic materials chemistry are INST FIZIKI VYSOKIKH DAVLENY, KURATOMI TATSURO and HENAN FAMOUS DIAMOND IND CO LTD.

Patent filings in countries

World map showing ISHIZUKA KENKYUSHOs patent filings in countries
# Country Total Patents
#1 Japan 75

Patent filings per year

Chart showing ISHIZUKA KENKYUSHOs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ishizuka Hiroshi 60
#2 Hosomi Akira 19
#3 Oyanagi Mitsuyuki 8
#4 Ko Ensei 8
#5 Koizumi Mitsue 7
#6 Yamanaka Hiroshi 7
#7 Chin Kafu 6
#8 Goto Kenji 4
#9 Kume Shoichi 3
#10 Nishimura Kazuhito 3

Latest patents

Publication Filing date Title
JP2007001790A Chlorine terminated diamond fine powder, and method for producing the same
JP2006026870A Super-abrasive grain sintered body throw-away tip
JP2005054025A Surface-modified minute diamond abrasive
JP2005013838A Shock pressurization/heat treatment method of porous material and apparatus therefor
JP2004339412A Submicron diamond powder for abrasive material and method for producing the same powder
JP2004165459A Heat transfer board
JP2004138097A Hydrogen storage medium, and method for manufacturing the same
JP2003206476A Heat-treated diamond fine powder and method for producing the same
JP2003160803A Method for manufacturing sintered block of hard abrasive grain
JP2003147410A Abrasive, sintered-compact block and its manufacturing method
JP2003137653A Method of manufacturing composite sintered compact and reaction vessel for the same
JP2003104775A High pressure phase boron nitride sintered compact and its production method
JP2003095743A Diamond sintered compact and method of manufacturing the same
JP2003055649A Diamond powder coated with carbide
JP2003020297A Surface treatment method for diamond particle
JP2003011019A Sintered super abrasive grain tip material and method of manufacture
JP2002338952A Diamond particulate polishing material
JP2002079138A Particle size regulating method for abrasive powder
JP2002060733A Diamond-polishing material particle and method for producing the same
JP2002035636A Single crystal diamond fine powder