Inventor · disambiguated record
Hirohisa Ohta
Also filed as: OHTA HIROHISA
23 granted patents·663 citations·filing 1989–2006
96Inventor score
Top patents by PatentIndex Score
23 records- 0196US6157103AStep motorMITSUBISHI ELECTRIC CORP·Filed 1998·Granted Dec 5, 2000·119 cites·12 claims
- 0295US6385497B1Remote maintenance systemCANON KK·Filed 1997·Granted May 7, 2002·195 cites·82 claims
- 0392US7062343B2Remote maintenance systemCANON KK·Filed 2005·Granted Jun 13, 2006·37 cites·13 claims
- 0488US5142156AAlignment method for printing a pattern of an original onto different surface areas of a substrateCANON KK·Filed 1990·Granted Aug 25, 1992·63 cites·6 claims
- 0583US6963786B2Remote maintenance systemCANON KK·Filed 2001·Granted Nov 8, 2005·23 cites·64 claims
- 0683US6892109B2Remote maintenance systemCANON KK·Filed 2001·Granted May 10, 2005·23 cites·10 claims
- 0781US5028797AAn alignment system for align first and second objects using alignment marksCANON KK·Filed 1989·Granted Jul 2, 1991·30 cites·14 claims
- 0880US7805279B2Remote maintenance systemCANON KK·Filed 2006·Granted Sep 28, 2010·10 cites·11 claims
- 0979US5979801AFuel injection valve with swirler for imparting swirling motion to fuelMITSUBISHI ELECTRIC CORP·Filed 1997·Granted Nov 9, 1999·35 cites·27 claims
- 1067US6018395AAlignment systemCANON KK·Filed 1996·Granted Jan 25, 2000·26 cites·9 claims
- 1162US6257202B1Throttle valve for an air flow control assemblyMITSUBISHI ELECTRIC CORP·Filed 2000·Granted Jul 10, 2001·4 cites·2 claims
- 1258US7348698B2Actuator for operating a transmission control valve of an automatic transmission apparatusMITSUBISHI ELECTRIC CORP·Filed 2003·Granted Mar 25, 2008·9 cites·5 claims
- 1356US6927507B2Electromagnetic deviceMITSUBISHI ELECTRIC CORP·Filed 2001·Granted Aug 9, 2005·8 cites·6 claims
- 1456US6628187B2Electromagnetic device structured to resist corrosionMITSUBISHI ELECTRIC CORP·Filed 2001·Granted Sep 30, 2003·7 cites·9 claims
- 1556US5443932AExposure methodCANON KK·Filed 1993·Granted Aug 22, 1995·13 cites·5 claims
- 1655US6024302ACylinder injection type fuel injection valveMITSUBISHI ELECTRIC CORP·Filed 1997·Granted Feb 15, 2000·15 cites·7 claims
- 1754US5887798ACylinder injection type fuel injection valveMITSUBISHI ELECTRIC CORP·Filed 1997·Granted Mar 30, 1999·15 cites·15 claims
- 1852US7187260B2Electromagnetic device with cover for prevention of damage to conductor of electromagnetic deviceMITSUBISHI ELECTRIC CORP·Filed 2001·Granted Mar 6, 2007·7 cites·13 claims
- 1949US6700234B2Electromagnetic deviceMITSUBISHI ELECTRIC CORP·Filed 2001·Granted Mar 2, 2004·5 cites·5 claims
- 2046US6960850B2Electromagnetic device in an automotive transmission with sulfur corrosion resistant insulating layerMITSUBISHI ELECTRIC CORP·Filed 2001·Granted Nov 1, 2005·3 cites·8 claims
- 2145US6500083B2Automatic transmissionMITSUBISHI ELECTRIC CORP·Filed 2001·Granted Dec 31, 2002·3 cites·8 claims
- 2241US5760561AMethod of controlling a stage and a system such as an exposing apparatus using the sameCANON KK·Filed 1996·Granted Jun 2, 1998·13 cites·15 claims
- 2339US6819212B2Electromagnetic deviceMITSUBISHI ELECTRIC CORP·Filed 2003·Granted Nov 16, 2004·0 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →