Inventor

SAKUMA SADAYOSHI

JP24 patents

⚠️ This page may combine multiple inventors who share the name “SAKUMA SADAYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SAKUMA SADAYOSHI

CANON KK

Element substrate, manufacturing method thereof, printhead, and printing apparatus

Element substrate and liquid ejection head

Liquid ejection head and liquid ejection apparatus

Manufacturing method of substrate for liquid ejection head

Ink jet recording head substrate, method for manufacturing the same, and ink jet recording head

Liquid ejecting head, substrate for liquid ejecting head, and printing apparatus

Liquid ejection head, method for producing liquid ejection head, and liquid ejection apparatus

Element substrate, liquid discharge head, and printing apparatus

Element substrate and liquid ejection head

Semiconductor device, liquid discharge head, and liquid discharge apparatus

Inkjet printhead substrate, method of manufacturing the same, and inkjet printhead

Element substrate

Element substrate, liquid discharge head, and printing apparatus

Reproduction method of liquid ejecting head

Method of manufacturing liquid ejection head

Liquid discharge device and cleaning method for liquid discharge head

Recording-element substrate and liquid ejection apparatus

SAKUMA SADAYOSHI

Liquid discharge head substrate and manufacturing method thereof, and liquid discharge head using liquid discharge head substrate and manufacturing method thereof

Liquid discharge head and method for manufacturing the same

Liquid ejection head having substrate with nickel-containing layer

KOMIYAMA HIROTO

Method for manufacturing liquid discharge head

IBE SATOSHI

Method of manufacturing liquid ejection head

HATSUI TAKUYA

Liquid ejection head

TAKEUCHI SOUTA

Method for manufacturing ejection element substrate