Inventor · disambiguated record
Kenji Utsunomiya
Also filed as: UTSUNOMIYA KENJI
13 granted patents·7 pending applications·112 citations·filing 2000–2025
90Inventor score
Top patents by PatentIndex Score
20 records- 0186US6474449B1Elevator and guide device for elevatorMITSUBISHI ELECTRIC CORP·Filed 2000·Granted Nov 5, 2002·29 cites·15 claims
- 0285US8011478B2Elevator vibration damping system having damping controlMITSUBISHI ELECTRIC CORP·Filed 2011·Granted Sep 6, 2011·9 cites·6 claims
- 0385US7909141B2Elevator vibration damping system having damping controlMITSUBISHI ELECTRIC CORP·Filed 2005·Granted Mar 22, 2011·15 cites·10 claims
- 0484US8141685B2Elevator apparatus having vibration damping controlUTSUNOMIYA KENJI·Filed 2006·Granted Mar 27, 2012·17 cites·6 claims
- 0573US9056749B2Control device of elevator door including obstruction detection using equivalent stiffness determinationUTSUNOMIYA KENJI·Filed 2010·Granted Jun 16, 2015·5 cites·10 claims
- 0670US7007774B2Active horizontal vibration reducing device for elevatorMITSUBISHI ELECTRIC CORP·Filed 2003·Granted Mar 7, 2006·15 cites·7 claims
- 0760US2025304439A1Hydrogen generation apparatusCANON KK·Filed 2025·Application pending·0 cites
- 0859US6786304B2Guide for elevatorMITSUBISHI ELECTRIC CORP·Filed 2001·Granted Sep 7, 2004·10 cites·6 claims
- 0958US6763917B2Elevator vibration reduction apparatus including a dead band filterMITSUBISHI ELECTRIC CORP·Filed 2002·Granted Jul 20, 2004·9 cites·18 claims
- 1058US2025312756A1Hydrogen generation apparatus and reaction caseCANON KK·Filed 2025·Application pending·0 cites
- 1158US2025303383A1Hydrogen generation apparatusCANON KK·Filed 2025·Application pending·0 cites
- 1258US2025312759A1Hydrogen generation apparatusCANON KK·Filed 2025·Application pending·0 cites
- 1358US2025312758A1Hydrogen generation apparatusCANON KK·Filed 2025·Application pending·0 cites
- 1453US11383754B2Steering systemJTEKT CORP·Filed 2021·Granted Jul 12, 2022·0 cites·7 claims
- 1552US7828122B2Vibration damping device for an elevatorMITSUBISHI ELECTRIC CORP·Filed 2005·Granted Nov 9, 2010·2 cites·4 claims
- 1650US8973714B2Door engagement device for elevatorUTSUNOMIYA KENJI·Filed 2010·Granted Mar 10, 2015·1 cites·9 claims
- 1746US11325636B2Steering column deviceJTEKT CORP·Filed 2021·Granted May 10, 2022·0 cites·8 claims
- 1845US2006114779A1Optical disk apparatusWADA YASUHIRO·Filed 2006·Application pending·0 cites
- 1940US7992688B2Door device for an elevatorMITSUBISHI ELECTRIC CORP·Filed 2006·Granted Aug 9, 2011·0 cites·10 claims
- 2038US2003016602A1Optical disk apparatusFiled 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →