Inventor
HASEGAWA KOUJI
JP16 patents
⚠️ This page may combine multiple inventors who share the name “HASEGAWA KOUJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
9 patentsUS10882318B2Jan 5, 2021
Method of manufacturing semiconductor substrate and method of manufacturing substrate for liquid ejection head
CANON KK1 citations62
US9085141B2Jul 21, 2015
Liquid ejection head and printing apparatus
CANON KK2 citations60
US12090739B2Sep 17, 2024
Method for manufacturing laminated structure and method for manufacturing liquid ejection head substrate
CANON KK0 citations51
US8968584B2Mar 3, 2015
Method for manufacturing liquid ejection head
CANON KK1 citations51
US9610773B2Apr 4, 2017
Method for producing liquid-ejection-head substrate and liquid-ejection-head substrate produced by the same
CANON KK1 citations49
US9108406B2Aug 18, 2015
Device substrate, liquid ejection head, and method for manufacturing device substrate and liquid ejection head
CANON KK0 citations49
US9174439B2Nov 3, 2015
Liquid ejection head and method for manufacturing liquid ejection head
CANON KK0 citations41
US8945957B2Feb 3, 2015
Method of manufacturing liquid ejection head
CANON KK0 citations41
US10166779B2Jan 1, 2019
Method for manufacturing liquid-discharge-head substrate
CANON KK0 citations39