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Inventor

Hiroyuki Maru

Inventor
Atsugi, JP

Overview

28→
Patents
1997–2014
Patent span
Performing operations
Primary field (CPC B)

Patents· 28 as inventor

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

B41Jprimary
B41JTypewriters73%
G06FElectric digital data processing7%
G09GArrangements or circuits for control of indicating devices using static means to present variable information7%
H10KOrganic electric solid-state devices7%
G06KGraphical data reading3%
H04NPictorial communication, e.g. television3%
PatentTitleYear
RE044825'Print head substrate, print head using the same, and printing apparatus'20148,436,841'Display apparatus'20138,395,570'Active matrix type display apparatus'20138,183,767'Display apparatus and imaging system using the same'20128,076,845'Display apparatus'20117,364,272'Printing head, head cartridge having printing head, printing apparatus using printing head, and printing head substrate'20087,101,099'Printing head, head cartridge having printing head, printing apparatus using printing head, and printing head substrate'20066,963,615'Pixel modulation apparatus and method thereof'20056,860,576'Drive circuit, printhead and printing apparatus'20056,755,580'Ink-jet printing head'20046,520,611'Print head and printer apparatus using the same'20036,471,339'Substrate for thermal recording head, ink jet recording head using the substrate, recording apparatus with the recording head, and method of driving recording head'20026,471,324'Printhead with malfunction prevention function and printing apparatus using it'20026,464,320'Recording head and recording apparatus using the same'20026,439,690'Element substrate having connecting wiring between heat generating resistor elements and ink jet recording apparatus'20026,409,300'Printing head, printing method and apparatus using same, and apparatus and method for correcting said printing head'20026,257,695'Substrate for thermal recording head, ink jet recording head using the substrate, recording apparatus with the recording head, and method of driving record head'20016,243,111'Print head substrate, print head using the same, and printing apparatus'20016,243,109'Print head with driving, transmission and control devices on single substrate'20016,224,195'Recording head and recording apparatus using the same'20016,116,713'Recording apparatus having temperature detecting element and a temperature detection correction method'20006,116,714'Printing head, printing method and apparatus using same, and apparatus and method for correcting said printing head'20006,054,689'Printing head and printing apparatus using same'20005,943,070'Substrate for thermal recording head, ink jet recording head using the substrate, recording apparatus with the recording head, and method of driving recording head'19995,880,762'Ink jet head with preliminary heater element'19995,877,784'Printhead, printing apparatus and printing method using printhead'19995,731,828'Ink jet head, ink jet head cartridge and ink jet apparatus'19985,602,576'Ink-jet type recording head and monolithic integrated circuit suitable therfor'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997–2014Patents assigned to CANON KK (28)· patent assignee history
1997–2014Based in Atsugi, JP· patent location history
2004–2008Based in Kanagawa, JP· patent location history
2011–2014Patents assigned to MARU HIROYUKI (5)· patent assignee history
2011–2013Based in Kawasaki, JP· patent location history
2013Patents assigned to GODEN TATSUHITO (2)· patent assignee history
2013Patents assigned to IKEDA KOUJI (2)· patent assignee history
2013Patents assigned to KAWANO FUJIO (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CANON KK281997–2014
MARU HIROYUKIself52011–2014
GODEN TATSUHITO22013
IKEDA KOUJI22013
KAWANO FUJIO22013
Locations
LocationPatentsSpan
Atsugi, JP201997–2014
Kawasaki, JP42011–2013
Kanagawa, JP42004–2008