Inventor

KOIZUMI YUTAKA

JP135 patents

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

KOIZUMI YUTAKA

CANON KK

Printing head, printing method and apparatus using same, and apparatus and method for correcting said printing head

Ink jet apparatus provided with an improved recovery mechanism

Method of manufacturing an ink jet head

Ink jet head storing structure and liquid filling method

Recording apparatus, liquid container cartridge and liquid container

Ink-jet print head and production method of ink-jet print head

Ink jet recording method and apparatus beginning driving cycle with discharge elements other than at ends of substrates

Laser process for making a filter for an ink jet

Ink jet head and apparatus having an air chamber for improving performance

Ink jet recording apparatus for recovering recording head

Recovery device having a protruding portion providing reduced pressure for improved recovery and method using same

Ink jet recording apparatus and ink jet recording head with means reducing the amount of warp

Liquid ejection recording head including a symbol indicating information used for changing the operation of the head

Ink jet recording apparatus with efficient circulation recovery

Ink jet recording head in which the ejection elements are driven in blocks

Ink jet head with testing resistors

Ink jet recording apparatus

Recovery device having a protruding portion providing reduced pressure for improved recovery and method using same

Liquid discharge recording head, liquid discharge recording apparatus, and method for manufacturing liquid discharge head

Ink cartridge for printer

Ink cartridge for printer

Pressure adjustment chamber, ink-jet recording head having the same, and ink-jet recording device using the same

Ink-jet printing method and ink-jet printer

Liquid discharge recording head with orifice plate having extended portion fixed to recording head main body, liquid discharge recording apparatus having such head, and method for manufacturing such head

Ink jet recording apparatus

Method of forming an ink jet recording head having an orifice plate with positioning openings for precisely locating discharge ports in a recording apparatus

Ink jet recording apparatus, and method with control of ink drops and ink mist

Ink jet recording apparatus

Ink jet recording head in which the ejection elements are driven in blocks

Ink jet recording apparatus with a thermally stable ink jet recording head

Ink tank having a vent path opened and closed by a movable magnetic member

Recording head for an ink jet recording apparatus having a plurality of temperature detection elements

Liquid injection recording apparatus including recording liquid circulation control

Sealing member, connecting structure using sealing member, and liquid discharge recording head

Liquid supply system, ink jet recording head, ink jet recording apparatus and liquid filling method

Liquid supplying device and liquid discharge recording apparatus

Printing head, printing method and apparatus using same, and apparatus and method for correcting said printing head

Ink tank, production process of ink tank and ink-jet printing apparatus

Ink jet recording apparatus capable of performing liquid droplet diameter random variable recording and ink jet recording method using ink for liquid droplet random variable recording

Ink tank with ink container and waste ink container

Print head, and print pre-heat method and apparatus using the same

Ink cartridge for printer

Ink jet head having plural elemental substrates, apparatus having the ink jet head, and method for manufacturing the ink jet head

Ink cartridge for printer

RICOH KK

Color recording apparatus

Auto document feeder for use with duplex copying machine

Duplex copying machine

Electrophotographic apparatus

TOSHIBA KK

Nickel-base single-crystal superalloys, method of manufacturing same and gas turbine high temperature parts made thereof

RICON CO LTD

Electrostatic copying machine