Inventor
EZAKI NAOFUMI
JP12 patents
⚠️ This page may combine multiple inventors who share the name “EZAKI NAOFUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RISO KAGAKU CORP
8 patentsUS11021624B2Jun 1, 2021
Oil-based magnetic ink
RISO KAGAKU CORP0 citations62
US10920096B2Feb 16, 2021
Oil-based inkjet ink and method for producing oil-based inkjet ink
RISO KAGAKU CORP0 citations58
US10907062B2Feb 2, 2021
Oil-based inkjet ink and method for producing oil-based inkjet ink
RISO KAGAKU CORP0 citations58
US11542402B2Jan 3, 2023
Oil-based inkjet ink, method for producing oil-based inkjet ink and method for producing dispersant
RISO KAGAKU CORP0 citations56
US9643417B2May 9, 2017
Method for forming silicone-based cured film on ink discharge surface of nozzle plate for inkjet printer, and nozzle plate
RISO KAGAKU CORP0 citations50
US9593251B2Mar 14, 2017
Non-aqueous pigment ink
RISO KAGAKU CORP0 citations50
US9365736B2Jun 14, 2016
Non-aqueous pigment ink
RISO KAGAKU CORP0 citations50
US8795421B2Aug 5, 2014
W/O emulsion ink for inkjet
RISO KAGAKU CORP0 citations50