Inventor
TAKAYAMA TOSHIHIKO
JP41 patents
⚠️ This page may combine multiple inventors who share the name “TAKAYAMA TOSHIHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
36 patentsUS11526116B2Dec 13, 2022
Image forming apparatus with collection
CANON KK6 citations86
US11841669B2Dec 12, 2023
Image 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 portion
CANON KK4 citations75
US11703775B2Jul 18, 2023
Image forming apparatus capable of suppressing an improper charge resulting from toner being moved from a transfer member to a photosensitive member
CANON KK3 citations73
US10197940B2Feb 5, 2019
Image forming apparatus changing magnitude of control signal used for image formation
CANON KK2 citations73
US12099315B2Sep 24, 2024
Image forming apparatus
CANON KK2 citations72
US12032322B2Jul 9, 2024
Image forming apparatus
CANON KK2 citations72
US12411435B2Sep 9, 2025
Image forming apparatus
CANON KK0 citations62
US12372912B2Jul 29, 2025
Image forming apparatus with fiber brush
CANON KK0 citations62
US12259677B2Mar 25, 2025
Image forming apparatus
CANON KK0 citations62
US12204270B2Jan 21, 2025
Image forming apparatus with brush that collects material adhered to surface of image bearing member and that includes brush portion including threads having specified thread density
CANON KK0 citations62
US12197160B2Jan 14, 2025
Image forming apparatus
CANON KK1 citations62
US12124183B2Oct 22, 2024
Image forming apparatus capable of suppressing an improper charge resulting from toner being moved from a transfer member to a photosensitive member
CANON KK0 citations62
US12072654B2Aug 27, 2024
Image forming apparatus
CANON KK0 citations62
US12025944B2Jul 2, 2024
Image forming apparatus
CANON KK0 citations62
US11994823B2May 28, 2024
Image forming apparatus
CANON KK0 citations62
US11815827B2Nov 14, 2023
Image forming apparatus
CANON KK0 citations62
US11782377B2Oct 10, 2023
Image forming apparatus
CANON KK0 citations62
US11669034B2Jun 6, 2023
Image forming apparatus
CANON KK0 citations62
US10809655B2Oct 20, 2020
Image forming apparatus and control method thereof providing different speed control of driving developer carrying members using a common drive
CANON KK1 citations62
US9104132B2Aug 11, 2015
Apparatus to form latent image using dither matrices having minute and normal exposure areas controlling toner adhesion
CANON KK2 citations62
US12566400B2Mar 3, 2026
Image forming apparatus
CANON KK0 citations61
US12455525B2Oct 28, 2025
Image forming apparatus
CANON KK0 citations52
US12276929B2Apr 15, 2025
Image forming apparatus
CANON KK0 citations52
US11693351B2Jul 4, 2023
Image forming apparatus capable of reducing image defects caused by paper dust
CANON KK0 citations52
US12411432B2Sep 9, 2025
Image forming apparatus
CANON KK0 citations51
US12366819B2Jul 22, 2025
Image forming apparatus
CANON KK0 citations51
US11385584B2Jul 12, 2022
Image forming apparatus
CANON KK0 citations51
US11112735B2Sep 7, 2021
Image forming apparatus
CANON KK0 citations51
US10459361B2Oct 29, 2019
Image forming apparatus with voltage adjustment member
CANON KK0 citations51
US9182707B2Nov 10, 2015
Image forming apparatus
CANON KK1 citations51
US12585211B2Mar 24, 2026
Image forming apparatus
CANON KK0 citations50
US12164238B2Dec 10, 2024
Controlling voltage in an image forming apparatus including a brush that comes into contact with an image bearing member
CANON KK0 citations50
US12124182B2Oct 22, 2024
Image-forming apparatus to control potential difference based on image-forming operation
CANON KK0 citations50
US10281846B2May 7, 2019
Image forming apparatus
CANON KK0 citations42
US10120323B2Nov 6, 2018
Image forming apparatus
CANON KK0 citations42
US10216119B2Feb 26, 2019
Image forming apparatus with adjustment of potential for secondary transfer
CANON KK0 citations41