Inventor
SABU AKIYOSHI
JP39 patents
⚠️ This page may combine multiple inventors who share the name “SABU AKIYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH CO LTD
5 patentsUS8017292B2Sep 13, 2011
Toner, as well as image forming apparatus and image forming method using the same
RICOH CO LTD3 citations63
US7960083B2Jun 14, 2011
Image forming apparatus, image forming method, and process cartridge
RICOH CO LTD2 citations63
US10844235B2Nov 24, 2020
Ink, method of manufacturing ink, and ink cartridge
RICOH CO LTD0 citations52
US9850335B2Dec 26, 2017
Copolymer, aqueous ink, and ink cartridge
RICOH CO LTD0 citations52
US8383307B2Feb 26, 2013
Toner, developer, and image forming method and apparatus using the toner
RICOH CO LTD1 citations52
MORIYA YOSHIHIRO
4 patentsUS9141013B2Sep 22, 2015
Electrophotographic toner, developer containing the toner, and image forming apparatus
MORIYA YOSHIHIRO5 citations72
US8263302B2Sep 11, 2012
Carrier for electrophotography and two-component developer
MORIYA YOSHIHIRO6 citations72
US8828635B2Sep 9, 2014
Toner, developer, process cartridge, and image forming apparatus
MORIYA YOSHIHIRO1 citations51
US8685604B2Apr 1, 2014
Toner, developer, and image forming apparatus
MORIYA YOSHIHIRO1 citations51
HARADA SHIGEYUKI
4 patentsUS10370548B2Aug 6, 2019
Copolymer, ink including copolymer, and ink-stored container
HARADA SHIGEYUKI0 citations51
US10035869B2Jul 31, 2018
Copolymer, aqueous ink, and ink cartridge
HARADA SHIGEYUKI0 citations51
US9896530B2Feb 20, 2018
Copolymer, coloring material dispersion, ink, and ink store container
HARADA SHIGEYUKI0 citations51
US9365670B2Jun 14, 2016
Copolymer, aqueous ink, and ink cartridge
HARADA SHIGEYUKI0 citations51
FUKUOKA MASAYUKI
2 patentsKOIZUKA YUUSUKE
2 patentsNAKAYAMA SHINYA
2 patentsINOUE RYOTA
2 patentsMATSUYAMA AKIHIKO
2 patentsNAKAJIMA YUKIKO
2 patentsUS9128397B2Sep 8, 2015
Resin for use in toner, toner using the resin, developer using the toner, image forming apparatus and method using the toner, and method of manufacturing resin
NAKAJIMA YUKIKO1 citations47
US8623580B2Jan 7, 2014
Toner, developer, image forming method and image forming apparatus
NAKAJIMA YUKIKO0 citations36