Inventor · disambiguated record
Osamu Handa
Also filed as: HANDA OSAMU
22 granted patents·190 citations·filing 1996–2020
94Inventor score
Files withFUJI XEROX CO LTD12TEXAS INSTRUMENTS INC6AOSHIMA TAKU2FUJIFILM BUSINESS INNOVATION CORP1HANDA OSAMU1
Top patents by PatentIndex Score
22 records- 0187US7529498B2Image forming device having charging roller and cleaning memberFUJI XEROX CO LTD·Filed 2006·Granted May 5, 2009·10 cites·11 claims
- 0287US7454154B2Image forming device, charging device and cleaning deviceFUJI XEROX CO LTD·Filed 2006·Granted Nov 18, 2008·9 cites·20 claims
- 0385US7764888B2Image formation apparatus and charging control method of charging rollFUJI XEROX CO LTD·Filed 2006·Granted Jul 27, 2010·9 cites·7 claims
- 0484US6603328B2Semiconductor integrated circuitTEXAS INSTRUMENTS INC·Filed 2001·Granted Aug 5, 2003·31 cites·12 claims
- 0582US5742888ATransfer apparatus for an image forming apparatusFUJI XEROX CO LTD·Filed 1996·Granted Apr 21, 1998·35 cites·3 claims
- 0678US6741098B2High speed semiconductor circuit having low power consumptionTEXAS INSTRUMENTS INC·Filed 2001·Granted May 25, 2004·26 cites·15 claims
- 0772US7050323B2Ferroelectric memoryTEXAS INSTRUMENTS INC·Filed 2004·Granted May 23, 2006·19 cites·17 claims
- 0870US7426683B2Semiconductor memory device equipped with error correction circuitTEXAS INSTRUMENTS INC·Filed 2005·Granted Sep 16, 2008·5 cites·9 claims
- 0966US5893022AImage forming apparatusFUJI XEROX CO LTD·Filed 1998·Granted Apr 6, 1999·18 cites·5 claims
- 1065US7069493B2Semiconductor memory device equipped with error correction circuitTEXAS INSTRUMENTS INC·Filed 2002·Granted Jun 27, 2006·11 cites·12 claims
- 1163US7729638B2Image forming apparatus, charger, and image carrier unitFUJI XEROX CO LTD·Filed 2007·Granted Jun 1, 2010·2 cites·19 claims
- 1258US10705447B1Image forming system including a first transfer unit and a second transfer unit having a total resistance larger than that of the first transfer unitFUJI XEROX CO LTD·Filed 2019·Granted Jul 7, 2020·0 cites·13 claims
- 1356US7532832B2Image forming apparatus and charge control methodFUJI XEROX CO LTD·Filed 2007·Granted May 12, 2009·1 cites·13 claims
- 1455US7899354B2Cleaning device, process cartridge and image formation apparatusFUJI XEROX CO LTD·Filed 2007·Granted Mar 1, 2011·1 cites·15 claims
- 1552US6778422B2Ferroelectric memoryTEXAS INSTRUMENTS INC·Filed 2002·Granted Aug 17, 2004·7 cites·17 claims
- 1651US11143990B2Image forming apparatusFUJIFILM BUSINESS INNOVATION CORP·Filed 2020·Granted Oct 12, 2021·0 cites·17 claims
- 1751US8126344B2Image forming apparatus with variable amplitude alternating current to mitigate image defects and photoconductor wearHANDA OSAMU·Filed 2008·Granted Feb 28, 2012·1 cites·8 claims
- 1845US9904201B2Image forming apparatusFUJI XEROX CO LTD·Filed 2016·Granted Feb 27, 2018·0 cites·6 claims
- 1945US8346119B2Cleaning device, charging device, and image forming apparatusFUJI XEROX CO LTD·Filed 2010·Granted Jan 1, 2013·0 cites·16 claims
- 2040US8126368B2Charge device, image formation assembly using the same, and image formation apparatusAOSHIMA TAKU·Filed 2009·Granted Feb 28, 2012·0 cites·15 claims
- 2140US5778281ATransfer apparatusFUJI XEROX CO LTD·Filed 1997·Granted Jul 7, 1998·5 cites·20 claims
- 2239US8185000B2Electrostatic charging apparatus, and image forming assembly and image forming apparatus which employ the sameAOSHIMA TAKU·Filed 2008·Granted May 22, 2012·0 cites·9 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →