Inventor

Kazuyuki Hirata

Inventor
Toyota, JP

Overview

37→
Patents
1985–2020
Patent span
Performing operations
Primary field (CPC B)

Patents· 37 as inventor

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

B21Dprimary
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material29%
Y10TTechnical subjects covered by former us classification13%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy12%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution12%
H02KDynamo-electric machines9%
B41JTypewriters5%
B21KMaking forged or pressed metal products, e.g. horse-shoes, rivets, bolts or wheels3%
B26DCutting3%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form3%
B21JForging2%
PatentTitleYear
10,843,472Liquid housing container, liquid housing apparatus, and liquid ejecting apparatus202010,799,928Method and apparatus for forming metal sheet202010,737,315Press die202010,507,591Workpiece manufacturing apparatus201910,486,219Metal plate punching method and metal plate punching system201910,478,886Stamping method and stamping apparatus201910,464,331Liquid container201910,434,784Cartridge and connector201910,421,114Workpiece manufacturing apparatus201910,384,250Method for forming metal plate and apparatus for forming metal plate201910,381,660Separator for fuel cell201910,328,707Liquid container201910,328,482Method for manufacturing metal compact and apparatus for manufacturing metal compact201910,265,750Press die apparatus201910,150,152Sheet metal forming method and apparatus201810,071,411Press die20189,962,751Metal plate forming method and forming device20189,962,754Pressing method and pressing device for forming punched piece by punching metal plate with die and punch20189,809,034'Liquid supply unit having filter'20179,757,787'Metal plate stamping method and stamping apparatus'20179,735,436'Separator for fuel cell'20179,656,314'Press die'20179,630,229'Device for molding and method for molding metal plate'20179,587,679'Method and apparatus for manufacturing rolling-element bearing'20179,550,227'Press molding machine'20179,511,576'Rotary lamination apparatus'20169,440,281'Device and method for manufacturing work'20169,246,360'Laminate of metal plates, core for rotating electrical machine, and laminating method for laminate of metal plates'20169,233,409'Press die'20169,227,239'Forming die apparatus and die member'20169,017,506'Method for manufacturing core of rotating electrical machine'20159,016,345'Rotary lamination apparatus'20158,915,279'Rotary lamination apparatus'20148,844,600'Rotary lamination apparatus'20148,770,077'Punch press device'20148,485,238'Stamping-laminating apparatus and method'20134,542,934'Front body construction for motor vehicle'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985Based in Hiroshima, JP· patent location history
2013–2020Patents assigned to TOYOTA BOSHOKU KK (31)· patent assignee history
2013–2016Patents assigned to HIRATA KAZUYUKI (7)· patent assignee history
2013–2020Based in Toyota, JP· patent location history
2015Patents assigned to BANNO HAJIME (1)· patent assignee history
2015Patents assigned to FUJIMURA SHIROU (1)· patent assignee history
2017–2020Patents assigned to SEIKO EPSON CORP (5)· patent assignee history
2017Based in Nagano, JP· patent location history
2019–2020Based in Matsumoto, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOYOTA BOSHOKU KK312013–2020
HIRATA KAZUYUKIself72013–2016
SEIKO EPSON CORP52017–2020
BANNO HAJIME12015
FUJIMURA SHIROU12015
Locations
LocationPatentsSpan
Toyota, JP312013–2020
Matsumoto, JP42019–2020
Nagano, JP12017
Hiroshima, JP11985