Inventor

SAKAI TOSHIYASU

JP61 patents

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

SAKAI TOSHIYASU

CANON KK

Circuit board for ink jet head, ink jet head having the same, method for cleaning the head and ink jet printing apparatus using the head

Method of driving a printhead using a constant current and operating MOS transistor in saturation region

Manufacturing Method of Semiconductive Element and Ink Jet Head Substrate

Method of manufacturing ink jet circuit board with heaters and electrodes constructed to reduce corrosion

Ink jet head circuit board, method of manufacturing the same and ink jet head using the same

Manufacturing method of substrate for ink jet head and manufacturing method of ink jet recording head

Circuit board for ink jet head, method of manufacturing the same, and ink jet head using the same

Ink jet head circuit board, method of manufacturing the same and ink jet head using the same

Ink jet head circuit board, method of manufacturing the same and ink jet head using the same

Ink jet head circuit board with heaters and electrodes constructed to reduce corrosion, method of manufacturing the same and ink jet head using the same

Printhead driving method, printhead substrate, printhead, head cartridge and printing apparatus

Substrate for ink jet head, ink jet head using the same, and manufacturing method thereof

Substrate for liquid discharge head, liquid discharge head using substrate for liquid discharge head and method of manufacturing the same

Ink jet recording head and manufacturing method of ink jet recording head

Liquid discharge head, liquid discharge apparatus, and method of manufacturing liquid discharge head

Method for producing liquid-ejection head

Printhead driving method, printhead substrate, printhead, head cartridge, and printing apparatus

Manufacturing method for ink jet recording head chip, and manufacturing method for ink jet recording head

Printhead substrate, printhead using the substrate, head cartridge including the printhead, method of driving the printhead, and printing apparatus using the printhead

Ink jet print head substrate, ink jet print head, ink jet printing apparatus, and method of manufacturing ink jet print head substrate

Substrate for liquid discharge head, liquid discharge head using substrate for liquid discharge head and method of manufacturing the same

Heat generating resistant element film, substrate for ink jet head utilizing the same, ink jet head and ink jet apparatus

Liquid-ejection head and method for manufacturing liquid-ejection head substrate

Method for manufacturing liquid discharge head and liquid discharge head

Method for producing liquid-ejection head

Method of manufacturing semiconductor chips for liquid discharge head

Manufacturing method for ink jet recording head chip, and manfuacturing method for ink jet recording head

Ink jet print head substrate, ink jet print head, ink jet printing apparatus, and method of manufacturing ink jet print head substrate

Substrate for ink jet head with TaCr alloy protective layer, ink jet head utilizing the same and producing method therefor

Method for manufacturing structure

Dry etching method

Ink jet recording head and method for manufacturing the same

Processes for producing substrate for liquid ejection head

Liquid supply substrate, method of producing the same, and liquid ejecting head

NIPPON DENSO CO

Optical reading apparatus having a reading sensor of electronic scanning type

Optical reading apparatus with automatic gain control circuit

Bar code scanner

Apparatus for optically reading printed information

High-sensitive optical reading apparatus and method of reading optical information

Method and apparatus for reading a bar code

Bar code scanner

Bar code label

Apparatus and method for recognizing optical information

DC Motor driving apparatus

SAKAI TOSHIYASU

Circuit board for ink jet head, ink jet head having the same, method for cleaning the head and ink jet printing apparatus using the head

Circuit board for ink jet head, ink jet head having the same, method for cleaning the head and ink jet printing apparatus using the head

Process for producing a substrate for a liquid ejection head

Ink jet recording head with ink supply ports having a cross-section with varying width

KISHIMOTO KEISUKE

Method for processing substrate and method for producing liquid ejection head and substrate for liquid ejection head

OZAKI TERUO

Ink jet recording head and manufacturing method of ink jet recording head