Inventor
NEGISHI TOSHIO
JP35 patents
⚠️ This page may combine multiple inventors who share the name “NEGISHI TOSHIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
20 patentsUS10566069B2Feb 18, 2020
Semiconductor apparatus, liquid discharge head substrate, liquid discharge head, and liquid discharge apparatus
CANON KK2 citations73
US10894403B2Jan 19, 2021
Semiconductor apparatus, liquid discharge head substrate, liquid discharge head, and liquid discharge apparatus
CANON KK3 citations72
US10201969B2Feb 12, 2019
Recording element substrate, liquid discharge head, and recording apparatus
CANON KK3 citations72
US11845274B2Dec 19, 2023
Recording element substrate, liquid ejection head and recording apparatus
CANON KK0 citations62
US11837301B2Dec 5, 2023
Substrate, printing apparatus, and manufacturing method
CANON KK0 citations62
US11607881B2Mar 21, 2023
Element substrate, liquid discharge head, and printing apparatus
CANON KK0 citations62
US11247461B2Feb 15, 2022
Recording element substrate, liquid ejection head and recording apparatus
CANON KK0 citations62
US10500851B2Dec 10, 2019
Print element substrate, printhead, and printing apparatus
CANON KK1 citations62
US12499955B2Dec 16, 2025
Element substrate
CANON KK0 citations61
US12263676B2Apr 1, 2025
Printing element board and printing apparatus including printing element board
CANON KK0 citations61
US12046309B2Jul 23, 2024
Element substrate
CANON KK0 citations61
US11981129B2May 14, 2024
Element substrate, liquid discharge head, and printing apparatus
CANON KK1 citations61
US10147720B2Dec 4, 2018
Semiconductor device, liquid-discharge head substrate, liquid-discharge head, and liquid-discharge device
CANON KK0 citations52
US9895879B2Feb 20, 2018
Semiconductor device and recording device
CANON KK1 citations52
US12374414B2Jul 29, 2025
Semiconductor device, liquid discharge head, and liquid discharge apparatus
CANON KK0 citations51
US11975536B2May 7, 2024
Element substrate, liquid discharge head, and liquid discharge apparatus
CANON KK0 citations51
US10189249B2Jan 29, 2019
Recording element substrate, liquid discharge head, and recording apparatus
CANON KK0 citations51
US9950525B2Apr 24, 2018
Element substrate for liquid ejecting head and wafer
CANON KK0 citations51
US9833992B2Dec 5, 2017
Recording-element substrate, recording head, and recording apparatus
CANON KK1 citations51
US9522529B2Dec 20, 2016
Substrate for liquid ejection head, liquid ejection head, and apparatus and method for ejecting liquid
CANON KK0 citations42
NEGISHI TOSHIO
6 patentsUS8308866B2Nov 13, 2012
Vapor deposition apparatus for an organic vapor deposition material and a method for producing an organic film
NEGISHI TOSHIO6 citations72
US8147287B2Apr 3, 2012
Organic EL element and a method for manufacturing the organic EL element
NEGISHI TOSHIO3 citations61
US8181666B2May 22, 2012
Switch valve
NEGISHI TOSHIO2 citations52
US8420169B2Apr 16, 2013
Method of manufacturing organic thin film
NEGISHI TOSHIO1 citations51
US8235486B2Aug 7, 2012
Recording element substrate, recording head including the same, and recording head cartridge
NEGISHI TOSHIO0 citations51
US8334647B2Dec 18, 2012
Organic EL device and an organic EL device producing method
NEGISHI TOSHIO0 citations40
ULVAC CORP
4 patentsUS6275649B1Aug 14, 2001
Evaporation apparatus
ULVAC CORP73 citations95
US6101316AAug 8, 2000
Evaporation apparatus, organic material evaporation source, and method of manufacturing thin organic film
ULVAC CORP62 citations92
US6473564B1Oct 29, 2002
Method of manufacturing thin organic film
ULVAC CORP23 citations91
US6507698B2Jan 14, 2003
Evaporation apparatus, organic material evaporation source, and method of manufacturing thin organic film
ULVAC CORP10 citations72