Inventor · disambiguated record
Ryozo Okumura
Also filed as: OKUMURA RYOZO
28 granted patents·1 pending application·570 citations·filing 1990–2009
97Inventor score
Top patents by PatentIndex Score
29 records- 0197US5451632APolycarbonate-polyorganosiloxane copolymer and a resin compositionIDEMITSU PETROCHEMICAL CO·Filed 1993·Granted Sep 19, 1995·123 cites·18 claims
- 0296US6885293B2Tire air pressure monitoring systemDENSO CORP·Filed 2003·Granted Apr 26, 2005·69 cites·6 claims
- 0395US7515040B2Wheel identifying apparatus and tire inflation pressure detecting apparatus with function of wheel identificationDENSO CORP·Filed 2006·Granted Apr 7, 2009·19 cites·35 claims
- 0492US7202777B2Tire condition monitoring systemDENSO CORP·Filed 2004·Granted Apr 10, 2007·41 cites·15 claims
- 0591US7227458B2Tire inflation pressure sensing apparatus with high reliability and power-saving capabilityDENSO CORP·Filed 2005·Granted Jun 5, 2007·14 cites·14 claims
- 0687US5982295AAnti-theft device having excellent identification code overwriting capabilitiesDENSO CORP·Filed 1996·Granted Nov 9, 1999·77 cites·20 claims
- 0786US6915229B2Method and system for registering identification of tire air pressure sensor deviceDENSO CORP·Filed 2003·Granted Jul 5, 2005·25 cites·30 claims
- 0885US6967570B2ID registration method for tire air pressure sensor, ID registration system, tire air pressure monitoring system, tire air pressure sensor, and smart control systemDENSO CORP·Filed 2003·Granted Nov 22, 2005·23 cites·43 claims
- 0984US6927679B2ID registration method, ID collation system incorporated in a vehicle control system, embodied as a pneumatic tire pressure monitoring apparatus associated with pneumatic pressure sensors, and an ID registration tool combined with pneumatic tire pressure monitoring apparatusDENSO CORP·Filed 2003·Granted Aug 9, 2005·23 cites·23 claims
- 1083US7647031B2Vehicle receiver system in which a single receiver circuit is controlled to receive signals transmitted from a plurality of remote devices having respectively different transmission frequenciesDENSO CORP·Filed 2006·Granted Jan 12, 2010·7 cites·24 claims
- 1182US6954687B2Method and system for registering id information for each transmitter, and method and system for identifying respective transmitters, applicable to a pneumatic tire pressure monitoring system, a pneumatic tire pressure monitoring apparatus, and relevant pneumatic tire pressure monitoring programDENSO CORP·Filed 2003·Granted Oct 11, 2005·20 cites·40 claims
- 1276US5625027ABranched polycarbonateIDEMITSU PETROCHEMICAL CO·Filed 1995·Granted Apr 29, 1997·24 cites·5 claims
- 1375US6965305B2Sensor ID registration method for tire air pressure monitoring apparatusDENSO CORP·Filed 2003·Granted Nov 15, 2005·13 cites·8 claims
- 1473US6897769B2Tire pressure monitoring system and method for registering identification code in the sameDENSO CORP·Filed 2003·Granted May 24, 2005·12 cites·10 claims
- 1570US7639124B2Wheel identifying apparatus and tire inflation pressure detecting apparatus with function of wheel identificationDENSO CORP·Filed 2009·Granted Dec 29, 2009·2 cites·16 claims
- 1668US7373228B2Sensor ID registration method of tire air pressure monitoring apparatusDENSO CORP·Filed 2004·Granted May 13, 2008·10 cites·12 claims
- 1762US7109843B2Remote control system for controlling a vehicle with priority of control access being assigned to the most recent user of the vehicleDENSO CORP·Filed 2003·Granted Sep 19, 2006·13 cites·14 claims
- 1860US7129816B2Remote control systemDENSO CORP·Filed 2003·Granted Oct 31, 2006·6 cites·12 claims
- 1958US5191040AProcess for producing styrenic polymerIDEMITSU PETROCHEMICAL CO·Filed 1992·Granted Mar 2, 1993·15 cites·14 claims
- 2054US2006094821A1Aromatic vinyl polymer resin composition and its moldingIDEMITSU KOSAN CO·Filed 2005·Application pending·0 cites
- 2148US5349043APolycarbonate and process for producing the sameIDEMITSU PETROCHEMICAL CO·Filed 1993·Granted Sep 20, 1994·6 cites·19 claims
- 2247US5306802APolycarbonate copolymer and method for production thereofIDEMITSU PETROCHEMICAL CO·Filed 1993·Granted Apr 26, 1994·6 cites·18 claims
- 2345US7026396B2Aromatic vinyl polymer resin composition and its moldingIDEMITSU KOSAN CO·Filed 2002·Granted Apr 11, 2006·0 cites·10 claims
- 2443US5459225AProcess for producing polycarbonate having reduced residual chloroformate thereinIDEMITSU PETROCHEMICAL CO·Filed 1994·Granted Oct 17, 1995·6 cites·19 claims
- 2541US5835010AAutomatic answering system using transponderNIPPON SOKEN·Filed 1996·Granted Nov 10, 1998·10 cites·18 claims
- 2638US5473046AProcess for producing a branched polycarbonateIDEMITSU PETROCHEMICAL CO·Filed 1994·Granted Dec 5, 1995·2 cites·8 claims
- 2734US5650480AProcess for preparing polycarbonateIDEMITSU PETROCHEMICAL CO·Filed 1994·Granted Jul 22, 1997·1 cites·15 claims
- 2830US5349042AProcess for producing polycarbonateIDEMITSU PETROCHEMICAL CO·Filed 1993·Granted Sep 20, 1994·1 cites·13 claims
- 2929US4957964AThermoplastic resin compositionIDEMITSU PETROCHEMICAL CO·Filed 1990·Granted Sep 18, 1990·2 cites·6 claims
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