Inventor

OOHASHI RYOJI

JP18 patents

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

OOHASHI RYOJI

CANON KK

Print element substrate, printhead, and printing apparatus

Print element substrate, liquid discharge head, and liquid discharge apparatus

Element substrate for liquid ejecting head and wafer

Recording-element substrate, recording head, and recording apparatus

Recording element board, liquid ejection apparatus and method of manufacturing recording element board

OOHASHI RYOJI

Liquid discharge head and ink jet recording apparatus including liquid discharge head

Printing head substrate, ink jet printing head and ink jet printing apparatus with substrate temperature detecting element

Substrate for inkjet head and inkjet head using the same

TAMURA HIDEO

Inkjet printhead substrate, method for manufacturing inkjet printhead substrate, inkjet print head, and inkjet recording apparatus

Recording element substrate, recording head, and ink jet recording apparatus having the recording head

OMATA KOICHI

Liquid-discharging recording head

Liquid-discharging recording head

TAMARU YUJI

Substrate including a detection feature for liquid discharge head and liquid discharge head

MURAKAMI SHUICHI

Liquid ejection head and liquid ejection method

TAMARU YUUJI

Liquid ejection head

ISHIDA YUZURU

Method for manufacturing substrate for liquid ejection head and method for manufacturing liquid ejection head

NEGISHI TOSHIO

Recording element substrate, recording head including the same, and recording head cartridge

KUBO KOUSUKE

Inkjet recording head and recording apparatus