Inventor
NAGATOMO TSUNEYASU
JP33 patents
⚠️ This page may combine multiple inventors who share the name “NAGATOMO TSUNEYASU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH CO LTD
5 patentsUS11796931B2Oct 24, 2023
Toner, method for manufacturing toner, developer, toner accommodating unit, image forming apparatus, and image forming method
RICOH CO LTD0 citations58
US8043778B2Oct 25, 2011
Toner, method for preparing the toner, and image forming apparatus using the toner
RICOH CO LTD1 citations52
US8029960B2Oct 4, 2011
Toner for developing electrostatic latent image, and image forming apparatus and process cartridge using the toner
RICOH CO LTD1 citations52
US9291931B2Mar 22, 2016
Electrostatic charge image developing toner
RICOH CO LTD0 citations51
US8377620B2Feb 19, 2013
Image forming apparatus, image forming method, and toner for image forming apparatus
RICOH CO LTD0 citations42
RICOH KK
4 patentsUS7455942B2Nov 25, 2008
Toner, developer, toner container, process cartridge, image forming apparatus, and image forming method using the same
RICOH KK41 citations92
US7803508B2Sep 28, 2010
Toner as well as developer and image forming method using the same
RICOH KK6 citations74
US7695878B2Apr 13, 2010
Image forming apparatus, process cartridge and toner for use in the image forming apparatus
RICOH KK7 citations74
US7817955B2Oct 19, 2010
Image forming apparatus for securing good cleaning performance without cleaning blade abrasion
RICOH KK0 citations42
KOJIMA SATOSHI
4 patentsUS9523931B2Dec 20, 2016
Toner, developer and image forming apparatus
KOJIMA SATOSHI8 citations82
US9069288B2Jun 30, 2015
Toner housing container and image forming apparatus
KOJIMA SATOSHI5 citations72
US8956795B2Feb 17, 2015
Toner for developing electrostatic image, two-component developer and image forming apparatus
KOJIMA SATOSHI3 citations61
US8748071B2Jun 10, 2014
Image forming method, toner and image forming apparatus
KOJIMA SATOSHI0 citations41
WATANABE MASAKI
3 patentsUS8614043B2Dec 24, 2013
Toner
WATANABE MASAKI3 citations63
US8293442B2Oct 23, 2012
Resin particle, toner, and image forming method and process cartridge using the same
WATANABE MASAKI2 citations60
US8435716B2May 7, 2013
Method for producing toner, toner, and image forming method using the same
WATANABE MASAKI0 citations51
MAKABE KEIJI
3 patentsUS9804516B2Oct 31, 2017
Toner, developer, image forming apparatus, and process cartridge
MAKABE KEIJI1 citations49
US11079700B2Aug 3, 2021
Image forming apparatus and image forming method
MAKABE KEIJI0 citations46
US10295919B2May 21, 2019
Toner, developer, toner storage unit, and image forming apparatus
MAKABE KEIJI0 citations39