Inventor · disambiguated record
Tomohiko Kamatani
Also filed as: KAMATANI TOMOHIKO
31 granted patents·137 citations·filing 2006–2019
95Inventor score
Top patents by PatentIndex Score
31 records- 0194US8866421B2Motor drive controller and control methodKAMATANI TOMOHIKO·Filed 2012·Granted Oct 21, 2014·15 cites·20 claims
- 0293US7573922B2Semiconductor laser driving unit and image forming apparatus having the sameRICOH KK·Filed 2006·Granted Aug 11, 2009·25 cites·12 claims
- 0391US8872453B2Motor drive controller and control methodKAMATANI TOMOHIKO·Filed 2012·Granted Oct 28, 2014·10 cites·20 claims
- 0491US7592855B2Trimming circuit and semiconductor deviceRICOH KK·Filed 2007·Granted Sep 22, 2009·15 cites·13 claims
- 0588US7693196B2Semiconductor laser driving unit and image forming apparatus having the sameRICOH KK·Filed 2008·Granted Apr 6, 2010·11 cites·2 claims
- 0685US8860346B2Angle detection device, motor driving device, and image forming apparatusSHIMIZU FUMIHIRO·Filed 2012·Granted Oct 14, 2014·6 cites·9 claims
- 0783US8654166B2Receiving device, driving unit, and image forming apparatusKAMATANI TOMOHIKO·Filed 2010·Granted Feb 18, 2014·4 cites·12 claims
- 0881US8559476B2Semiconductor laser driver and image forming apparatus incorporating sameKAMATANI TOMOHIKO·Filed 2011·Granted Oct 15, 2013·3 cites·18 claims
- 0980US9281936B2Phase detector, motor drive controller, motor device, and method of detecting phase of rotorKAMATANI TOMOHIKO·Filed 2015·Granted Mar 8, 2016·2 cites·11 claims
- 1079US7679296B2Light emitting diode drive circuitRICOH KK·Filed 2008·Granted Mar 16, 2010·7 cites·16 claims
- 1175US7671564B2Integrated circuit for controlling charging, charging device using the integrated circuit, and method for detecting connection of secondary batteryRICOH KK·Filed 2008·Granted Mar 2, 2010·11 cites·13 claims
- 1274US8804784B2Semiconductor laser driving device and image forming apparatus having the semiconductor laser driving deviceKAMATANI TOMOHIKO·Filed 2010·Granted Aug 12, 2014·3 cites·9 claims
- 1370US8587346B2Driving circuit and electronic device using the sameKAMATANI TOMOHIKO·Filed 2006·Granted Nov 19, 2013·4 cites·20 claims
- 1468US7479765B2Integrated circuit for controlling charging, charging device using the integrated circuit, and method for detecting connection of secondary batteryRICOH KK·Filed 2007·Granted Jan 20, 2009·7 cites·11 claims
- 1564US8483250B2Semiconductor laser driving device and image forming apparatus having the sameKAMATANI TOMOHIKO·Filed 2008·Granted Jul 9, 2013·2 cites·19 claims
- 1664US7649343B2Charge control circuit, charging device, and connection checking methodRICOH KK·Filed 2007·Granted Jan 19, 2010·6 cites·20 claims
- 1760US7940036B2Voltage comparison circuit, and semiconductor integrated circuit and electronic device having the sameRICOH CO LTD·Filed 2009·Granted May 10, 2011·4 cites·15 claims
- 1859US8576887B2Semiconductor laser driving unit, optical scanner having semiconductor laser driving unit, and image forming apparatusFURUSE KATSUHISA·Filed 2011·Granted Nov 5, 2013·1 cites·10 claims
- 1955US8248140B2Semiconductor device for detecting power supply voltageKAMATANI TOMOHIKO·Filed 2010·Granted Aug 21, 2012·1 cites·10 claims
- 2050US9682835B2Phase detector, motor drive controller, motor apparatus, sheet feeder, and method of detecting phaseKAMATANI TOMOHIKO·Filed 2015·Granted Jun 20, 2017·0 cites·15 claims
- 2147US9983503B2Semiconductor laser driver and image forming apparatus incorporating sameKAMATANI TOMOHIKO·Filed 2017·Granted May 29, 2018·0 cites·12 claims
- 2246US9515587B2Phase detector, motor drive controller, motor device, and method of detecting phase of rotorKAMATANI TOMOHIKO·Filed 2015·Granted Dec 6, 2016·0 cites·13 claims
- 2344US10326387B2Phase detecting device, motor system, image forming apparatus, conveyance device, and sensor level obtaining methodKAMATANI TOMOHIKO·Filed 2017·Granted Jun 18, 2019·0 cites·9 claims
- 2443US7856039B2Semiconductor device and semiconductor laser driving deviceRICOH CO LTD·Filed 2008·Granted Dec 21, 2010·0 cites·8 claims
- 2542US11137595B2Light deflection device, image projector, laser head lamp, and mobile objectMOCHIDA AKITOSHI·Filed 2019·Granted Oct 5, 2021·0 cites·11 claims
- 2639US9882242B2Angle detecting device, motor drive controlling device, motor device and method of controlling an angle detecting deviceFURUSE KATSUHISA·Filed 2015·Granted Jan 30, 2018·0 cites·9 claims
- 2739US9515641B2Voltage level detector, motor drive controller, motor apparatus, and method of detecting voltage levelTANI HIRONOBU·Filed 2015·Granted Dec 6, 2016·0 cites·8 claims
- 2838US8755419B2Laser diode drive circuitKAMATANI TOMOHIKO·Filed 2010·Granted Jun 17, 2014·0 cites·12 claims
- 2938US8576886B2Laser diode drive circuit and image forming apparatus incorporating sameKAMATANI TOMOHIKO·Filed 2011·Granted Nov 5, 2013·0 cites·7 claims
- 3038US8526474B2Multi-beam laser power control circuit and image forming apparatus using the sameKAMATANI TOMOHIKO·Filed 2010·Granted Sep 3, 2013·0 cites·5 claims
- 3137US10401768B2Signal level, adjustment apparatus, phase detection apparatus, motor drive controller, conveyer, image forming apparatus, and signal level adjustment methodTATEBE TETSUROH·Filed 2016·Granted Sep 3, 2019·0 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →