Assignee
CHICHIBU CEMENT KK
JP·30 granted patents·575 citations·filing 1978–1994
Top patents by PatentIndex Score
30 records- 0193US4594513AMultiplex design container having a three-layered wall structure and a process for producing the sameCHICHIBU CEMENT KK·Filed 1983·Granted Jun 10, 1986·46 cites·14 claims
- 0290US5051023AFracture-free layered paving blocksCHICHIBU CEMENT KK·Filed 1991·Granted Sep 24, 1991·87 cites·14 claims
- 0385US4602505AApparatus for measuring viscosityCHICHIBU CEMENT KK·Filed 1983·Granted Jul 29, 1986·45 cites·4 claims
- 0478US4687614AProcess for producing a high integrity containerCHICHIBU CEMENT KK·Filed 1985·Granted Aug 18, 1987·22 cites·14 claims
- 0577US4729237ATuning fork vibration-type viscosity measuring apparatusCHICHIBU CEMENT KK·Filed 1986·Granted Mar 8, 1988·45 cites·25 claims
- 0672US4769351AHydrothermal process for preparing zirconia-alumina base ultra-fine powders of high purityCHICHIBU CEMENT KK·Filed 1987·Granted Sep 6, 1988·30 cites·8 claims
- 0765US5408354AOptical IsolatorCHICHIBU CEMENT KK·Filed 1993·Granted Apr 18, 1995·37 cites·3 claims
- 0865US4679427AApparatus for measuring viscosityCHICHIBU CEMENT KK·Filed 1986·Granted Jul 14, 1987·23 cites·12 claims
- 0964US4941346AVibration-type rheometer apparatusCHICHIBU CEMENT KK·Filed 1988·Granted Jul 17, 1990·24 cites·17 claims
- 1064US4759711ACalcination apparatus for use in fluidized-bed burning installation for powdery raw materialCHICHIBU CEMENT KK·Filed 1988·Granted Jul 26, 1988·21 cites·4 claims
- 1161US4995932AMethod for production of paving blocksCHICHIBU CEMENT KK·Filed 1988·Granted Feb 26, 1991·18 cites·16 claims
- 1261US4826035APressure-regulating device for use in storage, transportation and disposal of hazardous wastesCHICHIBU CEMENT KK·Filed 1987·Granted May 2, 1989·16 cites·4 claims
- 1357US4409030AMaterial for destroying concrete structuresCHICHIBU CEMENT KK·Filed 1982·Granted Oct 11, 1983·15 cites·14 claims
- 1452US4758095ADual shaft pan mixerCHICHIBU CEMENT KK·Filed 1987·Granted Jul 19, 1988·24 cites·4 claims
- 1551US4993480ATemperature controlling means for a thermostat for use in measuring viscosityCHICHIBU CEMENT KK·Filed 1989·Granted Feb 19, 1991·16 cites·26 claims
- 1650US4148588AForced kneading mixerCHICHIBU CEMENT KK·Filed 1978·Granted Apr 10, 1979·13 cites·5 claims
- 1749US5431124ARutile single crystals and their growth processesCHICHIBU CEMENT KK·Filed 1994·Granted Jul 11, 1995·8 cites·6 claims
- 1844US5045514ASol-gel method for making composite mullite/cordierite ceramicsCHICHIBU CEMENT KK·Filed 1990·Granted Sep 3, 1991·20 cites·5 claims
- 1943US4717337AMethod for producing white cement clinkerCHICHIBU CEMENT KK·Filed 1987·Granted Jan 5, 1988·8 cites·1 claims
- 2041US5458083AGrowth method for a rod form of single oxide crystalCHICHIBU CEMENT KK·Filed 1994·Granted Oct 17, 1995·5 cites·11 claims
- 2141US5330046ACeramic conveyor beltCHICHIBU CEMENT KK·Filed 1993·Granted Jul 19, 1994·12 cites·1 claims
- 2241US4573908AMethod and apparatus for producing white cement clinkerCHICHIBU CEMENT KK·Filed 1985·Granted Mar 4, 1986·7 cites·3 claims
- 2340US4344062AHumidity sensor elementCHICHIBU CEMENT KK·Filed 1980·Granted Aug 10, 1982·8 cites·2 claims
- 2431US5139602AApparatus for producing paving blocksCHICHIBU CEMENT KK·Filed 1991·Granted Aug 18, 1992·7 cites·10 claims
- 2529US4594209AProcess for the preparation of voltage non-linearity type resistorsCHICHIBU CEMENT KK·Filed 1984·Granted Jun 10, 1986·1 cites·12 claims
- 2628US5369067AComposite substrates and their productionCHICHIBU CEMENT KK·Filed 1993·Granted Nov 29, 1994·3 cites·9 claims
- 2727US5229093AMethod for making mullite whiskers using hydrofluoric acidCHICHIBU CEMENT KK·Filed 1992·Granted Jul 20, 1993·1 cites·5 claims
- 2826US5080750ASystem for making composite blocksCHICHIBU CEMENT KK·Filed 1990·Granted Jan 14, 1992·4 cites·12 claims
- 2924US5427302AMethod of bonding and metallizing for light polarizersCHICHIBU CEMENT KK·Filed 1994·Granted Jun 27, 1995·2 cites·4 claims
- 3024US5194420AOxide super conductorsCHICHIBU CEMENT KK·Filed 1990·Granted Mar 16, 1993·7 cites·6 claims
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