Inventor · disambiguated record
Toshihiko Takayama
Also filed as: TAKAYAMA TOSHIHIKO
39 granted patents·8 pending applications·224 citations·filing 2000–2025
96Inventor score
Top patents by PatentIndex Score
47 records- 0198US11526116B2Image forming apparatus with collectionCANON KK·Filed 2021·Granted Dec 13, 2022·6 cites·12 claims
- 0297US11841669B2Image forming apparatus with brush portion comprising threads and with control to perform rotation of and stop of image bearing member to change posture of brush portionCANON KK·Filed 2022·Granted Dec 12, 2023·4 cites·9 claims
- 0396US11703775B2Image forming apparatus capable of suppressing an improper charge resulting from toner being moved from a transfer member to a photosensitive memberCANON KK·Filed 2021·Granted Jul 18, 2023·3 cites·19 claims
- 0494US12099315B2Image forming apparatusCANON KK·Filed 2023·Granted Sep 24, 2024·2 cites·11 claims
- 0594US7849867B2Locking device for a tentSAN E PROTENT CO LTD·Filed 2008·Granted Dec 14, 2010·46 cites·3 claims
- 0693US12032322B2Image forming apparatusCANON KK·Filed 2022·Granted Jul 9, 2024·2 cites·12 claims
- 0791US6508262B1Folding tent frameSAN E PROTENT CO LTD·Filed 2000·Granted Jan 21, 2003·124 cites·18 claims
- 0889US12197160B2Image forming apparatusCANON KK·Filed 2023·Granted Jan 14, 2025·1 cites·15 claims
- 0983US12372912B2Image forming apparatus with fiber brushCANON KK·Filed 2024·Granted Jul 29, 2025·0 cites·9 claims
- 1083US10197940B2Image forming apparatus changing magnitude of control signal used for image formationCANON KK·Filed 2017·Granted Feb 5, 2019·2 cites·15 claims
- 1181US12411435B2Image forming apparatusCANON KK·Filed 2024·Granted Sep 9, 2025·0 cites·13 claims
- 1280US12204270B2Image forming apparatus with brush that collects material adhered to surface of image bearing member and that includes brush portion including threads having specified thread densityCANON KK·Filed 2023·Granted Jan 21, 2025·0 cites·8 claims
- 1380US12025944B2Image forming apparatusCANON KK·Filed 2023·Granted Jul 2, 2024·0 cites·7 claims
- 1478US10809655B2Image forming apparatus and control method thereof providing different speed control of driving developer carrying members using a common driveCANON KK·Filed 2019·Granted Oct 20, 2020·1 cites·10 claims
- 1578US9104132B2Apparatus to form latent image using dither matrices having minute and normal exposure areas controlling toner adhesionCANON KK·Filed 2014·Granted Aug 11, 2015·2 cites·18 claims
- 1678US2025189918A1Image forming apparatusCANON KK·Filed 2025·Application pending·0 cites
- 1777US12259677B2Image forming apparatusCANON KK·Filed 2024·Granted Mar 25, 2025·0 cites·13 claims
- 1877US11782377B2Image forming apparatusCANON KK·Filed 2023·Granted Oct 10, 2023·0 cites·12 claims
- 1975US11815827B2Image forming apparatusCANON KK·Filed 2022·Granted Nov 14, 2023·0 cites·11 claims
- 2075US2024302785A1Image forming apparatusCANON KK·Filed 2024·Application pending·0 cites
- 2174US12124183B2Image forming apparatus capable of suppressing an improper charge resulting from toner being moved from a transfer member to a photosensitive memberCANON KK·Filed 2023·Granted Oct 22, 2024·0 cites·12 claims
- 2273US12072654B2Image forming apparatusCANON KK·Filed 2023·Granted Aug 27, 2024·0 cites·12 claims
- 2373US11994823B2Image forming apparatusCANON KK·Filed 2023·Granted May 28, 2024·0 cites·14 claims
- 2473US6764277B2Fan guard of fan unitDAIKIN IND LTD·Filed 2002·Granted Jul 20, 2004·28 cites·11 claims
- 2572US2025264827A1Determination method and recovery methodCANON KK·Filed 2025·Application pending·0 cites
- 2672US2025291300A1Image forming apparatusCANON KK·Filed 2025·Application pending·0 cites
- 2771US8862039B2Image forming apparatusYOSHIDA TSUGUHIRO·Filed 2012·Granted Oct 14, 2014·2 cites·22 claims
- 2869US11669034B2Image forming apparatusCANON KK·Filed 2022·Granted Jun 6, 2023·0 cites·20 claims
- 2969US9182707B2Image forming apparatusCANON KK·Filed 2014·Granted Nov 10, 2015·1 cites·20 claims
- 3068US12411432B2Image forming apparatusCANON KK·Filed 2024·Granted Sep 9, 2025·0 cites·16 claims
- 3167US2022269206A1Image forming apparatusCANON KK·Filed 2022·Application pending·0 cites
- 3258US12455525B2Image forming apparatusCANON KK·Filed 2023·Granted Oct 28, 2025·0 cites·9 claims
- 3355US12366819B2Image forming apparatusCANON KK·Filed 2024·Granted Jul 22, 2025·0 cites·32 claims
- 3455US12276929B2Image forming apparatusCANON KK·Filed 2024·Granted Apr 15, 2025·0 cites·22 claims
- 3553US10459361B2Image forming apparatus with voltage adjustment memberCANON KK·Filed 2017·Granted Oct 29, 2019·0 cites·24 claims
- 3651US12124182B2Image-forming apparatus to control potential difference based on image-forming operationCANON KK·Filed 2023·Granted Oct 22, 2024·0 cites·12 claims
- 3751US2024385564A1Image forming apparatusCANON KK·Filed 2024·Application pending·0 cites
- 3848US12164238B2Controlling voltage in an image forming apparatus including a brush that comes into contact with an image bearing memberCANON KK·Filed 2023·Granted Dec 10, 2024·0 cites·16 claims
- 3948US11693351B2Image forming apparatus capable of reducing image defects caused by paper dustCANON KK·Filed 2022·Granted Jul 4, 2023·0 cites·27 claims
- 4048US10120323B2Image forming apparatusCANON KK·Filed 2017·Granted Nov 6, 2018·0 cites·21 claims
- 4148US9464830B2Refrigeration apparatus for executing a pump downDAIKIN IND LTD·Filed 2012·Granted Oct 11, 2016·0 cites·6 claims
- 4247US11112735B2Image forming apparatusCANON KK·Filed 2019·Granted Sep 7, 2021·0 cites·22 claims
- 4344US11385584B2Image forming apparatusCANON KK·Filed 2021·Granted Jul 12, 2022·0 cites·8 claims
- 4443US10216119B2Image forming apparatus with adjustment of potential for secondary transferCANON KK·Filed 2017·Granted Feb 26, 2019·0 cites·11 claims
- 4542US10281846B2Image forming apparatusCANON KK·Filed 2017·Granted May 7, 2019·0 cites·12 claims
- 4642US2014010568A1Image forming apparatusCANON KK·Filed 2013·Application pending·0 cites
- 4741US2018246451A1Image forming apparatusCANON KK·Filed 2018·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →