Inventor · disambiguated record
Tatsuomi Murayama
Also filed as: MURAYAMA TATSUOMI
23 granted patents·5 pending applications·54 citations·filing 2006–2025
93Inventor score
Top patents by PatentIndex Score
28 records- 0195US10990051B2Image forming apparatus outputting plural test toner images for use in adjusting transfer voltageCANON KK·Filed 2019·Granted Apr 27, 2021·9 cites·13 claims
- 0294US7890034B2Image forming apparatusCANON KK·Filed 2010·Granted Feb 15, 2011·10 cites·12 claims
- 0390US10585376B2Image forming apparatus using test chart for adjusting transfer voltageCANON KK·Filed 2018·Granted Mar 10, 2020·4 cites·7 claims
- 0490US9696666B2Transfer apparatus having pressing member for transfer beltCANON KK·Filed 2015·Granted Jul 4, 2017·4 cites·14 claims
- 0583US2025278593A1Information processing apparatus with automatic detection and interruption of defective image forming operationsCANON KK·Filed 2025·Application pending·0 cites
- 0682US7769328B2Image forming apparatus including one or more transfer members for transferring color toner and transparent toner imagesCANON KK·Filed 2006·Granted Aug 3, 2010·6 cites·16 claims
- 0781US9766574B2Image forming apparatusCANON KK·Filed 2015·Granted Sep 19, 2017·2 cites·14 claims
- 0880US12333359B2Information processing apparatus with automatic detection and interruption of defective image forming operationsCANON KK·Filed 2024·Granted Jun 17, 2025·0 cites·21 claims
- 0980US8165484B2Image forming apparatus with control of transfer voltageMURAYAMA TATSUOMI·Filed 2008·Granted Apr 24, 2012·6 cites·26 claims
- 1077US11972314B2Information processing apparatus with automatic detection and interruption of defective image forming operationsCANON KK·Filed 2023·Granted Apr 30, 2024·0 cites·19 claims
- 1173US7826772B2Image forming apparatus using color toner and transparent tonerCANON KK·Filed 2009·Granted Nov 2, 2010·3 cites·6 claims
- 1273US2025291294A1Method and apparatus for converting luminance information into density informationCANON KK·Filed 2025·Application pending·0 cites
- 1370US9927741B2Image forming apparatusCANON KK·Filed 2016·Granted Mar 27, 2018·1 cites·6 claims
- 1470US9760041B2Image forming apparatusCANON KK·Filed 2016·Granted Sep 12, 2017·1 cites·9 claims
- 1570US8218990B2Image formation system, image formation method, and image quality improvement method twice heating and pressing a toner image on a recording materialTOYOHARA YUICHIRO·Filed 2006·Granted Jul 10, 2012·4 cites·15 claims
- 1669US11841660B2Image forming apparatusCANON KK·Filed 2022·Granted Dec 12, 2023·0 cites·18 claims
- 1769US8019264B2Image-forming apparatus having flexible sheet guideCANON KK·Filed 2007·Granted Sep 13, 2011·3 cites·8 claims
- 1868US11727235B2Information processing apparatus with automatic detection and interruption of defective image forming operationsCANON KK·Filed 2021·Granted Aug 15, 2023·0 cites·18 claims
- 1965US11567440B2Image forming apparatusCANON KK·Filed 2022·Granted Jan 31, 2023·0 cites·14 claims
- 2060US10073385B2Image forming apparatus having deviation suppression mechanism for intermediate transfer beltCANON KK·Filed 2017·Granted Sep 11, 2018·0 cites·12 claims
- 2158US7596345B2Image forming apparatus with a developer comprising at least a toner and a first external additiveCANON KK·Filed 2006·Granted Sep 29, 2009·1 cites·6 claims
- 2255US2025119506A1Image-forming apparatus for suppressing image unevennessCANON KK·Filed 2024·Application pending·0 cites
- 2353US8463149B2Image forming apparatusMURAYAMA TATSUOMI·Filed 2012·Granted Jun 11, 2013·0 cites·8 claims
- 2449US2023400804A1Image forming apparatus that forms image on sheet using tone correction condition corresponding to process speedCANON KK·Filed 2023·Application pending·0 cites
- 2543US8909082B2Image forming apparatusCANON KK·Filed 2012·Granted Dec 9, 2014·0 cites·4 claims
- 2639US9389544B2Image forming apparatusCANON KK·Filed 2015·Granted Jul 12, 2016·0 cites·5 claims
- 2738US9417563B2Image forming apparatusCANON KK·Filed 2015·Granted Aug 16, 2016·0 cites·19 claims
- 2838US2007059056A1Image-forming apparatusCANON KK·Filed 2006·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →