Inventor · disambiguated record
Toshifumi Sugama
Also filed as: SUGAMA TOSHIFUMI
20 granted patents·2 pending applications·422 citations·filing 1981–2024
96Inventor score
Top patents by PatentIndex Score
22 records- 0198US7507480B2Corrosion-resistant metal surfacesBROOKHAVEN SCIENCE ASS LLC·Filed 2005·Granted Mar 24, 2009·49 cites·82 claims
- 0294US4871395AHigh temperature lightweight foamed cementsASS UNIVERSITIES INC·Filed 1987·Granted Oct 3, 1989·94 cites·4 claims
- 0392US4927462AOxidation of carbon fiber surfaces for use as reinforcement in high-temperature cementitious material systemsASS UNIVERSITIES INC·Filed 1988·Granted May 22, 1990·41 cites·4 claims
- 0481US4436555AMagnesium phosphate glass cements with ceramic-type propertiesUS ENERGY·Filed 1982·Granted Mar 13, 1984·40 cites·7 claims
- 0580US5200237ASolid-gel precursor solutions and methods for the fabrication of polymetallicsiloxane coating filmsASS UNIVERSITIES INC·Filed 1991·Granted Apr 6, 1993·38 cites·15 claims
- 0672US5110863ASolid-gel precursor solutions and methods for the fabrication of polymetallicsiloxane coating filmsASS UNIVERSITIES INC·Filed 1990·Granted May 5, 1992·18 cites·27 claims
- 0770US5604040AZinc phosphate conversion coatingsASS UNIVERSITIES INC·Filed 1995·Granted Feb 18, 1997·32 cites·26 claims
- 0866US5246496APhosphate-bonded calcium aluminate cementsASS UNIVERSITIES INC·Filed 1992·Granted Sep 21, 1993·18 cites·17 claims
- 0965US11912927B2Super-hydrophobic, thermally insulating, thermal-shocks resistant well cement composites for completion of geothermal wells at hydrothermal temperatures of up to 300° CBROOKHAVEN SCIENCE ASS LLC·Filed 2021·Granted Feb 27, 2024·0 cites·20 claims
- 1062US4659395ADuctile polyelectrolyte macromolecule-complexed zinc phosphate conversion crystal pre-coatings and topcoatings embodying a laminateUS ENERGY·Filed 1985·Granted Apr 21, 1987·22 cites·17 claims
- 1162US2024262750A1Cementitious materials for applications in super-hot and supercritical underground wellsBROOKHAVEN SCIENCE ASS LLC·Filed 2024·Application pending·0 cites
- 1257US5844058AOrganosiloxane-grafted natural polymer coatingsBROOKHAVEN SCIENCE ASS LLC·Filed 1996·Granted Dec 1, 1998·13 cites·12 claims
- 1352US4936384ACa(OH)2 -treated ceramic microsphereASS UNIVERSITIES INC·Filed 1988·Granted Jun 26, 1990·10 cites·3 claims
- 1452US4889718APolyacid macromolecule primersASS UNIVERSITIES INC·Filed 1988·Granted Dec 26, 1989·10 cites·12 claims
- 1552US4822422ACa(OH)2 -treated ceramic microsphereASS UNIVERSITIES INC·Filed 1987·Granted Apr 18, 1989·11 cites·1 claims
- 1642US2004025752A1Water-based cement including boiler ash as chemically active ingredientFiled 2003·Application pending·0 cites
- 1737US5763738AChemical agents for conversion of chrysotile asbestos into non-hazardous materialsASS UNIVERSITIES INC·Filed 1996·Granted Jun 9, 1998·6 cites·24 claims
- 1837US4540726AElectropositive bivalent metallic ion unsaturated polyester complexed polymer concreteUS ENERGY·Filed 1983·Granted Sep 10, 1985·7 cites·6 claims
- 1933US5703192APolyorganometallosiloxane-2- or -4-pyridine coatingsASS UNIVERSITIES INC·Filed 1995·Granted Dec 30, 1997·3 cites·17 claims
- 2033US4361670AQuick setting water-compatible furfuryl alcohol polymer concretesUS ENERGY·Filed 1981·Granted Nov 30, 1982·5 cites·11 claims
- 2131US6160195AUse of reagents to convert chrysotile and amosite asbestos used as insulation or protection for metal surfacesBROOKHAVEN SCIENCE ASS LLC·Filed 1999·Granted Dec 12, 2000·3 cites·18 claims
- 2224US6005158AUse of super acids to digest chrysotile and amosite asbestos in simple mixtures or matrices found in building materials compositionsBROOKHAVEN SCIENCE ASS LLC·Filed 1998·Granted Dec 21, 1999·2 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →