LexDanaLexDanabeta
Inventor

Masataka Sakurai

Inventor
Kawasaki, JP

Overview

61→
Patents
2002–2020
Patent span
Performing operations
Primary field (CPC B)

Patents· 61 as inventor

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

B41Jprimary
B41JTypewriters91%
G06FElectric digital data processing3%
G06KGraphical data reading2%
H01LSemiconductor devices2%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h102%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h102%
PatentTitleYear
10,814,623Element substrate and liquid ejection head202010,668,719Recording element substrate, liquid ejection head, and liquid ejection apparatus202010,596,815Liquid ejection head and inkjet printing apparatus202010,532,565Print element substrate, printhead, and printing apparatus202010,479,075Print head substrate and method of manufacturing the same, and semiconductor substrate201910,427,400Printhead and printing apparatus201910,350,884Liquid ejecting head and inkjet printing apparatus201910,322,578Liquid ejection head and liquid ejection apparatus201910,300,698Liquid ejection head201910,286,661Liquid discharge method and liquid discharge apparatus for heating a liquid through a surface to generate a bubble201910,286,660Liquid discharge head and liquid discharge apparatus201910,105,949Recording element substrate, liquid ejection head, and liquid ejection apparatus201810,035,346Element substrate and liquid ejection head20189,731,504'Liquid ejection head and liquid ejection apparatus'20179,597,870'Inkjet print head'20179,168,742'Liquid ejection head'20159,102,145'Liquid ejecting head and method for producing the same'20159,096,063'Liquid ejection head and method of manufacturing same'20158,991,980'Ink jet print head'20158,926,066'Liquid ejection head'20158,820,892'Inkjet printing head substrate, inkjet printing head and inkjet printing apparatus'20148,783,833'Ink jet print head'20148,757,771'Liquid ejection head and liquid ejecting apparatus'20148,746,847'Ink jet print head'20148,740,350'Inkjet recording head substrate and drive control method, inkjet recording head, inkjet recording head cartridge and inkjet recording apparatus'20148,721,047'Liquid ejection head and ink jet printing apparatus'20148,714,704'Liquid ejection head and liquid ejecting apparatus'20148,573,758'Liquid jet recording head and liquid supply method'20138,529,003'Print head'20138,523,325'Liquid ejection head and ink jet printing apparatus'20138,342,651'Inkjet recording head'20138,342,658'Ink jet print head'20138,282,180'Element substrate, recording head using the element substrate, and recording apparatus'20128,226,190'Recording element substrate and recording head having the same'20128,205,968'Liquid discharge head and liquid discharge method'20128,177,333'Element board for printhead, and printhead having the same'20128,147,039'Head substrate, printhead, head cartridge, and printing apparatus'20128,083,318'Liquid ejection head'20118,083,325'Liquid ejection recording head having element substrate with plural supply ports'20118,075,103'Ink jet print head substrate and ink jet print head'20118,038,238'Printhead substrate, inkjet printhead, and inkjet printing apparatus'20117,959,243'Printhead, head cartridge, and printing apparatus employing either of same'20117,918,538'Printhead formed of element substrates having function circuits'20117,909,432'Liquid ejection head'20117,896,474'Liquid ejection head and recording apparatus'20117,866,798'Head cartridge, printhead, and substrate having downsized level conversion elements that suppress power consumption'20117,850,262'Head substrate, printhead, head cartridge, and printing apparatus'20107,819,493'Element board for printhead, and printhead having the same'20107,815,272'Element body for recording head and recording head having element body'20107,806,496'Printhead substrate, inkjet printhead, and inkjet printing apparatus'20107,762,646'Head substrate, printhead, head cartridge, and printing apparatus using the printhead or head cartridge'20107,758,141'Printing apparatus for selectively driving heaters using a reduced number of data signal lines'20107,681,972'Element substrate, recording head using the element substrate, and recording apparatus'20107,591,531'Liquid ejection head'20097,588,304'Liquid discharge head substrate, liquid discharge head, and liquid discharge apparatus'20097,559,626'Inkjet recording head substrate and drive control method, inkjet recording head, inkjet recording head cartridge and inkjet recording apparatus'20097,559,628'Head substrate, recording head, head cartridge and recording apparatus therewith'20097,452,050'Head substrate, printhead, head cartridge, and printing apparatus using the printhead or head cartridge'20087,354,125'Element board for printhead, and printhead having the same'20086,945,622'Printhead having protection circuit, and printing apparatus using the printhead'20056,467,883'Printhead, printing apparatus using the same, and printhead control method'2002

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2002–2020Patents assigned to CANON KK (60)· patent assignee history
2002–2010Based in Kanagawa, JP· patent location history
2008–2020Based in Kawasaki, JP· patent location history
2011–2015Patents assigned to SAKURAI MASATAKA (18)· patent assignee history
2011–2015Patents assigned to TSUCHII KEN (10)· patent assignee history
2011–2014Patents assigned to SAITO AKIKO (8)· patent assignee history
2011–2014Patents assigned to HIRAYAMA NOBUYUKI (5)· patent assignee history
2015Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CANON KK602002–2020
SAKURAI MASATAKAself182011–2015
TSUCHII KEN102011–2015
SAITO AKIKO82011–2014
HIRAYAMA NOBUYUKI52011–2014
Locations
LocationPatentsSpan
Kawasaki, JP552008–2020
Kanagawa, JP52002–2010
Tokyo, JP12015