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Inventor

Takashi Hirakawa

Inventor
Kanagawa, JP

Overview

27→
Patents
2001–2018
Patent span
Physics
Primary field (CPC G)

Patents· 27 as inventor

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

G09Gprimary
G09GArrangements or circuits for control of indicating devices using static means to present variable information26%
B41JTypewriters23%
H04NPictorial communication, e.g. television16%
B41MPrinting, duplicating, marking, or copying processes9%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein7%
H05KPrinted circuits5%
C09DCoating compositions, e.g. paints, varnishes or lacquers2%
F16KValves2%
F25BRefrigeration machines, plants or systems2%
G03GElectrography2%
PatentTitleYear
9,899,000'Display, display control method, display control device, and electronic apparatus'20188,711,064'Digital signal processing apparatus, liquid crystal display apparatus, digital signal processing method and computer program'20148,502,810'Display device and display method'20138,451,200'Image processing apparatus, image processing method, display apparatus, and projection display apparatus'20138,432,418'Signal processing device, signal processing method, and display apparatus'20138,411,014'Signal processing circuit and method'20138,362,990'Video signal processing circuit, display apparatus, liquid crystal display apparatus, projection type display apparatus and video signal processing method'20138,157,184'Expansion valve, heat pump type refrigeration cycle apparatus, and air handling unit'20128,038,286'Liquid removal apparatus, image forming apparatus and liquid removal method'20117,951,854'Ink composition, ink set and inkjet recording method'20117,880,709'Display and projection type display'20117,872,625'Liquid-crystal display apparatus and three-panel liquid-crystal display projector'20117,845,760'Image forming apparatus'20107,719,503'Display device and driving method of display device'20107,645,019'Image forming method and image forming apparatus using treatment liquid'20107,604,319'Image forming apparatus'20097,533,983'Image forming apparatus'20097,527,369'Image forming apparatus and method for improving the fixing characteristics of ink'20097,506,974'Image forming apparatus'20097,458,672'Image forming apparatus'20087,377,610'Droplet discharge control method and liquid discharge apparatus'20087,370,928'Droplet discharge control method and liquid discharge apparatus'20087,204,271'Electrically operated switch-over valve'20077,116,320'Display device, method of controlling the same, and projection-type display apparatus'20066,879,730'Sensitivity correction method and image reading device'20056,556,316'Image reading device, image exposure device, and image recording device'20036,266,163'Image reading method and apparatus'2001

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2001–2005Patents assigned to FUJI PHOTO FILM CO LTD (3)· patent assignee history
2001–2013Based in Kanagawa, JP· patent location history
2006–2018Patents assigned to SONY CORP (11)· patent assignee history
2007Based in Saitama, JP· patent location history
2008–2011Patents assigned to FUJIFILM CORP (10)· patent assignee history
2011Based in Ashigarakami-gun, JP· patent location history
2012–2014Patents assigned to HIRAKAWA TAKASHI (7)· patent assignee history
2012Based in Sayama, JP· patent location history
2013–2014Patents assigned to OHASHI NAOKI (3)· patent assignee history
2013–2018Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SONY CORP112006–2018
FUJIFILM CORP102008–2011
HIRAKAWA TAKASHIself72012–2014
FUJI PHOTO FILM CO LTD32001–2005
OHASHI NAOKI32013–2014
Locations
LocationPatentsSpan
Kanagawa, JP192001–2013
Tokyo, JP52013–2018
Sayama, JP12012
Ashigarakami-gun, JP12011
Saitama, JP12007