Inventor

YAMAGUCHI TAKAAKI

JP79 patents

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

YAMAGUCHI TAKAAKI

CANON KK

Ink tank and ink jet recording apparatus provided with the same

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

Inkjet printhead, driving method of inkjet printhead, and substrate for inkjet printhead

Ink jet recording apparatus utilizing solid semiconductor element

Solid semiconductor element, ink tank, ink jet recording apparatus provided with ink tank, liquid information acquiring method and liquid physical property change discriminating method

Solid semiconductor element, ink tank, ink jet recording apparatus provided with ink tank, liquid information acquiring method and liquid physical property change discriminating method

Semiconductor device, ink tank provided with such semiconductor device, ink jet cartridge, ink jet recording apparatus, method for manufacturing such semiconductor device, and communication system, method for controlling pressure, memory element, security system of ink jet recording apparatus

Liquid discharge recording head and liquid discharge recording head cartridge including the same

Printing apparatus, printhead, and driving method therefor

Liquid discharge head

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

Solid semiconductor element, ink tank, ink jet recording apparatus provided with ink tank, liquid information acquiring method and liquid physical property change discriminating method

Ink jet recording head with multiple recording elements, electrical circuit elements and protecting sections

Substrate for ink jet recording head, ink jet recording head and ink jet recording apparatus using ink jet recording head

Substrate for ink jet head, ink jet head, and ink jet recording apparatus having ink jet head

Substrate for recording head, recording head, recording apparatus, and method of inspecting substrate for recording head

Element substrate, printhead, head cartridge, and printing apparatus

Board for inkjet printing head and inkjet printing head using the same

Inkjet printhead, driving method of inkjet printhead, and substrate for inkjet printhead

Solid semiconductor element, ink tank, ink jet recording apparatus provided with ink tank, liquid information acquiring method and liquid physical property change discriminating method

Base plate for use of recording head, recording head, recording apparatus, and method for manufacturing recording head

Ink tank and ink jet recording apparatus provided with the same

Recording apparatus and liquid discharge method

Ink-jet printhead board, ink-jet printhead, and ink-jet printing apparatus

Element board, liquid ejection head, and printing apparatus

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

Ink jet recording head substrate, and ink jet recording head including the substrate

Printhead substrate having electrothermal transducers arranged at high density, printhead, and printing apparatus

Element substrate, printhead, and head cartridge

Element substrate, and printhead, head cartridge, and printing apparatus using the element substrate

Inkjet printhead board and inkjet printhead using same

Element substrate, printhead, head cartridge, and printing apparatus

Element substrate, and printhead, head cartridge, and printing apparatus using the element substrate

Element substrate, and printhead, head cartridge, and printing apparatus using the element substrate

Substrate for ink jet head, ink jet head, and ink jet recording apparatus having ink jet head

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

Recording head, head cartridge and recording apparatus

Substrate having a plurality of common power supply wires and a plurality of common ground wires for inkjet recording head and inkjet recording head using the same

Print element substrate, printhead, and printing apparatus

MITSUBISHI GAS CHEMICAL CO

Oxygen absorbent composition

Sodium hydrosulfite composition

TAKEUCHI SOUTA

Ink jet recording head and production process thereof

OMATA KOICHI

Element substrate, and printhead, head cartridge, and printing apparatus using the element substrate

OOHASHI RYOJI

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

YAMAGUCHI TAKAAKI

Print element substrate, printhead, and printing apparatus

HAYASAKI KIMIYUKI

Liquid discharge head and circuit board

TAMURA HIDEO

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

KUBO KOUSUKE

Print element substrate, printhead, and printing apparatus

IMANAKA YOSHIYUKI

Element substrate, printhead, head cartridge, and printing apparatus

TAMARU YUUJI

Liquid ejection head