Inventor · disambiguated record
Masatomo Tsuzuki
Also filed as: TSUZUKI MASATOMO
13 granted patents·502 citations·filing 2004–2014
94Inventor score
Top patents by PatentIndex Score
13 records- 0199US7890012B2Process cartridge having a drum, a developing roller, and first and second frames, and electrophotographic image forming apparatus on which such process cartridge is mountableCANON KK·Filed 2007·Granted Feb 15, 2011·60 cites·15 claims
- 0298US8139979B2Process cartridge and electrophotographic image forming apparatusKOISHI ISAO·Filed 2010·Granted Mar 20, 2012·44 cites·10 claims
- 0398US7856192B2Process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2007·Granted Dec 21, 2010·44 cites·12 claims
- 0498US7272339B2Process cartridge including first and second frames and separating member moving the second frame to a separated position and image forming apparatus detachably mounting the cartridgeCANON KK·Filed 2005·Granted Sep 18, 2007·58 cites·11 claims
- 0598US7072603B2Process cartridge and holding memberCANON KK·Filed 2004·Granted Jul 4, 2006·106 cites·28 claims
- 0697US8862015B2Image forming apparatus with urging member that establishes electrical connection with a cartridgeCANON KK·Filed 2013·Granted Oct 14, 2014·18 cites·13 claims
- 0797US8526841B2Process cartridge and electrophotographic image forming apparatusKOISHI ISAO·Filed 2010·Granted Sep 3, 2013·32 cites·13 claims
- 0897US7088939B2Process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2004·Granted Aug 8, 2006·80 cites·8 claims
- 0996US7778570B2Image forming apparatusCANON KK·Filed 2008·Granted Aug 17, 2010·21 cites·17 claims
- 1094US8417144B2Image forming apparatusNUMAGAMI ATSUSHI·Filed 2012·Granted Apr 9, 2013·11 cites·9 claims
- 1194US8150293B2Image forming apparatusNUMAGAMI ATSUSHI·Filed 2010·Granted Apr 3, 2012·13 cites·16 claims
- 1268USD631092SProcess cartridgeCANON KK·Filed 2008·Granted Jan 18, 2011·15 cites·1 claims
- 1353US9832895B2Display deviceSATURN LICENSING LLC·Filed 2014·Granted Nov 28, 2017·0 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →