Inventor
JONAI KAZUHIRO
JP25 patents
⚠️ This page may combine multiple inventors who share the name “JONAI KAZUHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOYO INK SC HOLDINGS CO LTD
16 patentsUS9884973B2Feb 6, 2018
Active energy ray-curable inkjet ink and ink set
TOYO INK SC HOLDINGS CO LTD8 citations83
US11427723B2Aug 30, 2022
Aqueous inkjet ink and method for producing printed item
TOYO INK SC HOLDINGS CO LTD2 citations72
US11359107B2Jun 14, 2022
Ink set and method for producing printed matter
TOYO INK SC HOLDINGS CO LTD2 citations72
US10501654B2Dec 10, 2019
Pretreatment solution, ink set and method for producing printed matter
TOYO INK SC HOLDINGS CO LTD2 citations71
US10000649B2Jun 19, 2018
Active energy ray-curable inkjet ink composition
TOYO INK SC HOLDINGS CO LTD4 citations71
US8691885B2Apr 8, 2014
Active energy ray-curable inkjet ink composition
TOYO INK SC HOLDINGS CO LTD4 citations69
US11453792B2Sep 27, 2022
Magenta ink for inkjet
TOYO INK SC HOLDINGS CO LTD0 citations62
US11453797B2Sep 27, 2022
Ink set and method for producing printed matter
TOYO INK SC HOLDINGS CO LTD0 citations61
US11352516B2Jun 7, 2022
Water-based inkjet ink and production method for printed matter
TOYO INK SC HOLDINGS CO LTD1 citations61
US10995227B2May 4, 2021
Water-based inkjet ink
TOYO INK SC HOLDINGS CO LTD1 citations61
US11613665B2Mar 28, 2023
Water-based ink for inkjet and method for producing printed matter
TOYO INK SC HOLDINGS CO LTD0 citations51
US10538723B2Jan 21, 2020
Maintenance liquid for active energy ray-curable inkjet ink
TOYO INK SC HOLDINGS CO LTD0 citations50
US9284466B2Mar 15, 2016
Active energy ray-curable inkjet ink set
TOYO INK SC HOLDINGS CO LTD1 citations50
US9809723B2Nov 7, 2017
Active energy ray-curable inkjet ink composition
TOYO INK SC HOLDINGS CO LTD0 citations48
US11541677B2Jan 3, 2023
Ink set and method for recording printed matter
TOYO INK SC HOLDINGS CO LTD0 citations47
US10647867B2May 12, 2020
Ink set for ink-jet recording
TOYO INK SC HOLDINGS CO LTD0 citations41
KAMEYAMA YUJI
3 patentsUS8137793B2Mar 20, 2012
Ink composition and hardened material using thereof
KAMEYAMA YUJI7 citations81
US8507573B2Aug 13, 2013
Active energy ray curable inkjet ink composition
KAMEYAMA YUJI1 citations49
US9040150B2May 26, 2015
Active energy ray-curable inkjet ink composition and printed material using same
KAMEYAMA YUJI1 citations48