Inventor
TAMAKI SHINJI
JP70 patents
⚠️ This page may combine multiple inventors who share the name “TAMAKI SHINJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH CO LTD
21 patentsUS9581937B2Feb 28, 2017
Powder container and image forming apparatus
RICOH CO LTD11 citations92
US11209748B2Dec 28, 2021
Powder container including a nozzle receiving opening and scoop
RICOH CO LTD2 citations84
US11803134B2Oct 31, 2023
Powder container
RICOH CO LTD1 citations73
US10908532B2Feb 2, 2021
Nozzle insertion member, powder container, and image forming apparatus
RICOH CO LTD1 citations73
US10670990B2Jun 2, 2020
Nozzle insertion member, powder container, and image forming apparatus
RICOH CO LTD1 citations73
US10401760B2Sep 3, 2019
Nozzle insertion member, powder container, and image forming apparatus
RICOH CO LTD1 citations73
US9348259B2May 24, 2016
Toner housing container and image forming apparatus
RICOH CO LTD3 citations73
USD1035771SJul 16, 2024
Portion of a powder container
RICOH CO LTD0 citations63
US12313987B2May 27, 2025
Powder container with a nozzle receiver
RICOH CO LTD0 citations62
US11874613B2Jan 16, 2024
Powder container with a nozzle receiver
RICOH CO LTD0 citations62
US11662672B2May 30, 2023
Nozzle receiver for use with a toner container
RICOH CO LTD0 citations62
US11543761B2Jan 3, 2023
Powder container including an opening and a shutter with a front end including a surface with lower friction
RICOH CO LTD0 citations62
US11467516B2Oct 11, 2022
Powder container and image forming apparatus
RICOH CO LTD0 citations62
US11397391B2Jul 26, 2022
Powder container including a container body, nozzle receiver, and seal
RICOH CO LTD0 citations62
US11372347B2Jun 28, 2022
Powder container
RICOH CO LTD0 citations62
US11347163B2May 31, 2022
Powder container including a nozzle receiving opening and scoop
RICOH CO LTD0 citations62
US11231661B2Jan 25, 2022
Powder container including a container body, nozzle receiver, and seal
RICOH CO LTD0 citations62
US10948850B2Mar 16, 2021
Powder container and image forming apparatus
RICOH CO LTD0 citations62
US10935905B2Mar 2, 2021
Powder container
RICOH CO LTD0 citations62
US10915039B2Feb 9, 2021
Powder container and image forming apparatus
RICOH CO LTD0 citations62
US9261817B2Feb 16, 2016
Replenishing developer housing container and image forming apparatus
RICOH CO LTD2 citations62
KIKUCHI KENJI
10 patentsUSD879194SMar 24, 2020
Portion of a powder container
KIKUCHI KENJI25 citations94
USD753216SApr 5, 2016
Portion of a powder container
KIKUCHI KENJI25 citations94
USD740356SOct 6, 2015
Portion of a powder container
KIKUCHI KENJI22 citations93
USD736850SAug 18, 2015
Portion of a powder container
KIKUCHI KENJI21 citations93
USD734386SJul 14, 2015
Portion of a powder container
KIKUCHI KENJI15 citations93
USD718382SNov 25, 2014
Powder container
KIKUCHI KENJI23 citations93
US9465317B2Oct 11, 2016
Nozzle insertion member, powder container, and image forming apparatus
KIKUCHI KENJI12 citations92
US10048621B2Aug 14, 2018
Nozzle insertion member, powder container, and image forming apparatus
KIKUCHI KENJI1 citations63
US9857729B2Jan 2, 2018
Nozzle insertion member, powder container, and image forming apparatus
KIKUCHI KENJI1 citations63
US9513576B2Dec 6, 2016
Powder container
KIKUCHI KENJI2 citations62
RICOH KK
9 patentsUS6522855B1Feb 18, 2003
Image forming apparatus and developing apparatus preventing uneven image density
RICOH KK161 citations99
US6337957B1Jan 8, 2002
Image forming apparatus and developing device with improved self toner density control
RICOH KK191 citations99
US6198895B1Mar 6, 2001
Developing device with improved developer circulation and toner density control
RICOH KK133 citations98
US6553202B2Apr 22, 2003
Method and apparatus for image forming capable of performing an effective development process
RICOH KK30 citations93
US7493061B2Feb 17, 2009
Process cartridge including at least one replaceable member and image forming apparatus
RICOH KK22 citations92
US6141521AOct 31, 2000
Image forming device and method therefor
RICOH KK20 citations92
US7177555B2Feb 13, 2007
Image forming process and image forming apparatus
RICOH KK18 citations84
US7158730B2Jan 2, 2007
Image forming apparatus, process cartridge, developing unit, and image forming method
RICOH KK6 citations73
US6108511AAug 22, 2000
Toner collecting and reusing device for use in an image forming apparatus and a method thereof
RICOH KK11 citations73
HOSOKAWA HIROSHI
2 patentsTAKEMOTO OIL & FAT CO LTD
2 patentsKONO TAKAO
1 patentKOJIMA SATOSHI
1 patentYOSHIDA KEIICHI
1 patentSHIBA MASANA
1 patentMINEBEA CO LTD
1 patentYAMABE JUNJI
1 patentShowing the top 50 of 70 patents by PatentIndex Score.