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Inventor

Toshiaki Hirosawa

Inventor
Hiratsuka, JP

Overview

81→
Patents
1987–2020
Patent span
Performing operations
Primary field (CPC B)

Patents· 81 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B41Jprimary
B41JTypewriters66%
Y10TTechnical subjects covered by former us classification9%
B29CShaping or joining of plastics5%
B29LIndexing scheme associated with subclass b29c, relating to particular articles4%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h104%
LOC184%
H05KPrinted circuits2%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry1%
B01LChemical or physical laboratory apparatus for general use1%
B44CProducing decorative effects1%
PatentTitleYear
10,870,279Method of manufacturing liquid supply unit202010,654,269Liquid ejection head202010,618,327Liquid ejection head unit and liquid ejection apparatus202010,618,280Liquid ejection head202010,532,574Method of manufacturing liquid ejecting head, and liquid ejecting head202010,525,711Method of manufacturing liquid ejecting head202010,507,644Liquid ejecting head201910,471,728Liquid ejection head, liquid ejection apparatus, and method of attaching liquid ejection head201910,391,767Liquid ejection head201910,384,457Liquid ejection head unit and liquid ejecting apparatus20199,358,779'Apparatus and method for driving the same'20169,266,328'Liquid ejection head and liquid ejection apparatus'20169,114,624'Liquid discharge head, liquid discharge apparatus, and liquid filling method'20158,894,182'Liquid discharge head'20148,840,226'Liquid discharge head and method of producing liquid discharge head'20148,801,156'Flow passage assembly and method for manufacturing flow passage assembly, inkjet recording head, and recording apparatus'20148,746,849'Liquid discharge head and method for manufacturing the same'20148,573,748'Recording head'20138,517,517'Liquid discharge head and method for manufacturing the same'20138,419,167'Liquid discharge head and liquid discharge apparatus'20138,353,576'Liquid discharge head and electric wiring substrate'20138,177,330'Liquid discharge head, ink jet recording head and ink jet recording apparatus'20128,157,356'Ink jet printing head'20128,141,988'Liquid ejection head, recording apparatus having the same, and recording method'20127,980,676'Liquid ejection head including member supporting liquid ejection substrate'20117,871,151'Liquid discharge head'20117,789,499'Ink jet print head and method of manufacturing ink jet print head'20107,775,638'Ink jet recording head and recording apparatus'20107,771,020'Ink jet recording head'20107,690,767'Ink jet recording head and ink jet recording apparatus'20107,686,423'Liquid discharge head and manufacturing method thereof'20107,625,072'Ink jet recording head and recording apparatus'20097,533,960'Liquid discharge head, and method of manufacturing liquid discharge head'20096,910,759'Liquid discharge recording head cartridge and liquid discharge recording apparatus'20056,896,359'Ink jet recording head and method for manufacturing ink jet recording head'20056,877,839'METHOD FOR MANUFACTURING AN INK JET RECORDING HEAD, AN INK JET RECORDING HEAD MANUFACTURED BY SUCH METHOD OF MANUFACTURE, AND AN INK JET RECORDING APPARATUS HAVING SUCH INK JET RECORDING HEAD MOUNTED THEREON'20056,830,621'Liquid discharge apparatus for producing probe carrier, apparatus for producing probe carrier and method for producing probe carrier'20046,752,492'Print head and ink jet printing apparatus'20046,652,702'Ink jet recording head and method for manufacturing ink jet recording head'20036,637,865'Liquid discharge head, driving method therefor, and cartridge, and image forming apparatus'20036,592,215'Liquid ejection recording head'20036,557,989'Print head and ink jet printing apparatus'20036,536,868'Liquid ejection type print head, printing apparatus provided with same and a method for producing a liquid ejection type print head'20036,471,901'Method for manufacturing ink jet recording head using thermohardening filler'20026,464,338'Ink jet head with separable tank holding member and recording unit'20026,371,604'INK JET RECORDING HEAD ASSEMBLY HAVING AN URGING MEMBER FOR CONTACTING COMPONENTS THEREOF, THE URGING MEMBER HAVING AN INK SUPPLY MECHANISM, AND INK JET HEAD CARTRIDGE AND INK JET APPARATUS HAVING THE SAME'20026,338,552'Ink refilling method and apparatus, ink container refilled therewith and ink jet apparatus comprising ink refilling apparatus'2002D0451541'Ink cartridge with printing head for printer'20016,257,703'Ink jet recording head'2001D0443892'Ink cartridge with printing head for printer'20016,120,140'Ink supplying apparatus and ink recording apparatus having same'20006,113,214'Ink jet recording head having components made from the same material, recording apparatus using the head, and method for manufacturing such head and ink jet recording apparatus'20006,084,611'Recording head, having pressure-bonding member for binding recording element substrate and driving element substrate, head cartridge and recording apparatus having same'20006,062,675'Recording head, recording apparatus and manufacturing method of recording head'20006,024,442'Ink refilling method and apparatus, ink container refilled therewith and ink jet apparatus comprising ink refilling apparatus'20006,024,439'Ink-jet head having projecting portion'20006,007,185'Recording head, head cartridge and recording apparatus with flexible substrate coupling'19996,000,792'Ink jet apparatus provided with an improved recovery mechanism'19995,997,122'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'19995,916,452'Process for the production of an ink jet head'1999D0395916'Combined ink tank holder and printing head for printer'1998D0395670'Combined ink tank holder and printing head for printer'19985,745,129'Ink jet head, ink jet apparatus and driving method therefor'1998D0392672'Combined ink tank holder and printing head for printer'19985,682,190'Ink jet head and apparatus having an air chamber for improving performance'19975,670,998'Ink jet head having plural terminals electrically connected in common during storage'19975,646,659'Ink jet recording apparatus, and method with control of ink drops and ink mist'19975,561,448'Ink jet recording apparatus for recovering recording head'19965,523,780'Ink jet recording apparatus and ink cartridge mountable on said apparatus'19965,457,485'Ink jet recording apparatus'19955,398,053'Liquid jet recording apparatus having auxiliary recording head'19955,357,268'Ink jet recording head in which the ejection elements are driven in blocks'19945,343,227'Ink jet recording apparatus and ink jet recording head with means reducing the amount of warp'19945,264,865'Ink jet recording method and apparatus utilizing temperature dependent, pre-discharge, meniscus retraction'19935,231,424'Ink jet recording apparatus with efficient circulation recovery'19935,220,345'Ink jet recording apparatus'19935,173,717'Ink jet recording head in which the ejection elements are driven in blocks'19925,164,747'Ink jet head with testing resistors'19924,980,699'Liquid injection recording method for accurately producing an image regardless of ambient temperature'19904,775,871'Ink jet recording apparatus having a flexible ink supply connection'19884,684,962'Ink tube connecting system in a liquid jet recording apparatus'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–2020Patents assigned to CANON KK (80)· patent assignee history
1987–2020Based in Hiratsuka, JP· patent location history
2003–2010Based in Kanagawa, JP· patent location history
2012–2015Patents assigned to HIROSAWA TOSHIAKI (11)· patent assignee history
2012–2015Patents assigned to YAMAMOTO AKIRA (8)· patent assignee history
2013–2014Patents assigned to TAJIMA HIROKI (4)· patent assignee history
2013–2014Patents assigned to MIYAZAKI KYOTA (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CANON KK801987–2020
HIROSAWA TOSHIAKIself112012–2015
YAMAMOTO AKIRA82012–2015
TAJIMA HIROKI42013–2014
MIYAZAKI KYOTA32013–2014
Locations
LocationPatentsSpan
Hiratsuka, JP731987–2020
Kanagawa, JP82003–2010