Assignee
SUMITOMO CEMENT CO
JP·21 granted patents·781 citations·filing 1979–1996
Top patents by PatentIndex Score
21 records- 0197US4654314APorous ceramic material and processes for preparing sameSUMITOMO CEMENT CO·Filed 1984·Granted Mar 31, 1987·155 cites·17 claims
- 0294US4963145APorous ceramic material and processes for preparing sameSUMITOMO CEMENT CO·Filed 1989·Granted Oct 16, 1990·71 cites·19 claims
- 0393US4295823AApparatus for continuously producing a cement clinkerSUMITOMO CEMENT CO·Filed 1980·Granted Oct 20, 1981·77 cites·9 claims
- 0489US4392353AMethod of recovering exhaust gas from boiler in electrical power generating device using combustible material as fuel and apparatus for performing such methodSUMITOMO CEMENT CO·Filed 1981·Granted Jul 12, 1983·31 cites·8 claims
- 0583US5446339ACathode ray tube having antistatic/anti-reflection film-covered transparent material laminated bodySUMITOMO CEMENT CO·Filed 1993·Granted Aug 29, 1995·43 cites·7 claims
- 0683US5253991AApparatus for producing spheroidal inorganic particulate materialSUMITOMO CEMENT CO·Filed 1991·Granted Oct 19, 1993·98 cites·10 claims
- 0782US5059388AProcess for manufacturing sintered bodiesSUMITOMO CEMENT CO·Filed 1989·Granted Oct 22, 1991·44 cites·26 claims
- 0872US4571124AMethod of forming cast-in-place concrete pileSUMITOMO CEMENT CO·Filed 1983·Granted Feb 18, 1986·35 cites·3 claims
- 0968US5173117AAdditives for roller compacted concrete pavementSUMITOMO CEMENT CO·Filed 1991·Granted Dec 22, 1992·26 cites·4 claims
- 1067US5359690ACutting method and apparatus for removing a secondary coating layer from a jacketed optical fiberSUMITOMO CEMENT CO·Filed 1993·Granted Oct 25, 1994·35 cites·25 claims
- 1160US4952454ABonding composition for ceramics comprising metal oxide melt and method for bonding ceramicsSUMITOMO CEMENT CO·Filed 1988·Granted Aug 28, 1990·16 cites·6 claims
- 1258US4996177ASintered alumina article with high flexural strength and process for producing sameSUMITOMO CEMENT CO·Filed 1988·Granted Feb 26, 1991·19 cites·5 claims
- 1353US4474010AMethod of recovering exhaust gas from boiler in electrical power generating device using combustible material as fuel and apparatus for performing such methodSUMITOMO CEMENT CO·Filed 1983·Granted Oct 2, 1984·17 cites·3 claims
- 1452US5681885ACoating material for antistatic high refractive index film formationSUMITOMO CEMENT CO·Filed 1996·Granted Oct 28, 1997·17 cites·9 claims
- 1551US4976806ABonding composition for ceramics comprising metal oxide melt and method for bonding ceramicsSUMITOMO CEMENT CO·Filed 1986·Granted Dec 11, 1990·12 cites·8 claims
- 1649US4560413AGamma-dicalcium silicate-containing cement compositionSUMITOMO CEMENT CO·Filed 1984·Granted Dec 24, 1985·13 cites·12 claims
- 1748US4276020AMethod for heating powder material and apparatus for carrying out said methodSUMITOMO CEMENT CO·Filed 1979·Granted Jun 30, 1981·10 cites·8 claims
- 1846US5374989AApparatus for identifying an object utilizing a tracking means and an identification beamSUMITOMO CEMENT CO·Filed 1993·Granted Dec 20, 1994·13 cites·16 claims
- 1939US5211661AArtificial living body composite materialSUMITOMO CEMENT CO·Filed 1990·Granted May 18, 1993·37 cites·7 claims
- 2036US4713115AMethod for demolishing durable structuresSUMITOMO CEMENT CO·Filed 1985·Granted Dec 15, 1987·8 cites·12 claims
- 2130US4634492AChrysoberyl single crystal and method of producing the sameSUMITOMO CEMENT CO·Filed 1983·Granted Jan 6, 1987·4 cites·6 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →