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KUMASAKA SADAO

Overview
  • Total Patents
    18
About

KUMASAKA SADAO has a total of 18 patent applications. Its first patent ever was published in 1992. It filed its patents most often in Japan. Its main competitors in its focus markets materials and metallurgy and environmental technology are SHANGHAI SUNRISE CHEMICAL CO LTD, TSENTRAL NYJ NI SKIJ I TE and TSNI I PEXI KOMPLEKSNYKH STR K.

Patent filings in countries

World map showing KUMASAKA SADAOs patent filings in countries
# Country Total Patents
#1 Japan 18

Patent filings per year

Chart showing KUMASAKA SADAOs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kumasaka Sadao 18
#2 Tsutsui Ichiro 5
#3 Hayashi Seihou 3

Latest patents

Publication Filing date Title
JP2004263528A Lightweight fireproof structure with wall magnification
JP2004041652A Penis holder with adjustable stopper
JP2002028996A Electromagnetic wave-absorbing stealthy incombustible board
JP2001279860A Ultra light-weight incombustible board
JPH1180538A Incombustible inorganic elastomer
JPH1030323A Honeycomb construction flooring having elastic bearing leg incorporated
JPH1030327A Stop for closing-type separator
JPH09310436A Inner wall compound structure also serving for synthetic resin curing plate having projecting support reinforcing adhesion of concrete building frame to curing plate
JPH09296538A Composite structural body provided with non-combustible surface material, and heat insulation layer, air circulation passage, and condensate water flow passage in internal structure
JPH09291611A Preventive material against condensation in composite heat-insulation structure integrally provided with air layer in noncombustible board
JPH09277431A Sandwich panel of glass cloth
JPH07165957A Foamed product of ethylene-acetate synthetic resin emulsion and its production
JPH07116508A Graphitic base material having humidity control function and its production
JPH0781976A Foamed graphitic glass, production and worked product thereof
JPH06322614A Graphite-based fibrous product and its production
JPH06240179A Heat-expandable refractory coating material
JPH06157136A Graphite intralaminar piezoelectric ceramics
JPH06321591A Graphite clinker, its production and various processed products