Inventor
SAKAGUCHI HIROMI
JP22 patents
⚠️ This page may combine multiple inventors who share the name “SAKAGUCHI HIROMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH CO LTD
7 patentsUS11603478B2Mar 14, 2023
Ink, method of manufacturing ink, printing method, and printing device
RICOH CO LTD0 citations62
US11267255B2Mar 8, 2022
Image forming method, image forming apparatus, and method for manufacturing printed matter
RICOH CO LTD0 citations60
US11130349B2Sep 28, 2021
Ink, method for producing ink, method for printing, and printer
RICOH CO LTD0 citations59
US11964495B2Apr 23, 2024
Ink set, printer, and printing method
RICOH CO LTD0 citations58
US9938421B2Apr 10, 2018
Set of ink and print medium, inkjet printing method, inkjet printing apparatus, printed matter, ink, and ink stored container
RICOH CO LTD0 citations51
US10457079B2Oct 29, 2019
Ink, inkjet recording method, ink cartridge, and image recording device
RICOH CO LTD0 citations50
US10301492B2May 28, 2019
Method of using recorded matter, recorded matter, and method of manufacturing recorded matter
RICOH CO LTD0 citations50
SAKAGUCHI HIROMI
5 patentsUS9395676B2Jul 19, 2016
Cleaning blade having an elastic body of segmented hardnesses, and image forming apparatus and process cartridge including the cleaning blade
SAKAGUCHI HIROMI3 citations71
US8530124B2Sep 10, 2013
Hydroxygallium phthalocyanine composite pigment, electrophotographic photoconductor containing the same, and image forming device and process cartridge for image forming device using the same
SAKAGUCHI HIROMI2 citations61
US8557489B2Oct 15, 2013
Gallium phthalocyanine compound, gallium phthalocyanine composite pigment, method for preparing gallium phthalocyanine composite pigment, and electrophotographic photoconductor
SAKAGUCHI HIROMI0 citations51
US9342031B2May 17, 2016
Cleaning blade, image forming apparatus and process cartridge
SAKAGUCHI HIROMI1 citations50
US9244424B1Jan 26, 2016
Cleaning blade, image forming apparatus and process cartridge
SAKAGUCHI HIROMI1 citations50
TOYAMA KAORI
3 patentsUS10195885B2Feb 5, 2019
Ink, inkjet recording method, ink cartridge, and image recording device
TOYAMA KAORI2 citations69
US9207624B2Dec 8, 2015
Cleaning blade, method for preparing the cleaning blade, and image forming apparatus and process cartridge using the cleaning blade
TOYAMA KAORI1 citations50
US10012944B2Jul 3, 2018
Method for manufacturing cleaning blade, cleaning blade, image formation device, and process cartridge
TOYAMA KAORI0 citations39