Inventor
TOKUNAGA HIROSHI
JP62 patents
⚠️ This page may combine multiple inventors who share the name “TOKUNAGA HIROSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CORP
24 patentsUS6109740AAug 29, 2000
Method and apparatus for supplying ink to a printer
SONY CORP66 citations96
US6095630AAug 1, 2000
Ink-jet printer and drive method of recording head for ink-jet printer
SONY CORP76 citations95
US6631963B1Oct 14, 2003
Method of driving print head in ink jet printer and ink jet printer
SONY CORP26 citations93
US6431691B1Aug 13, 2002
Piezoelectric actuator
SONY CORP37 citations93
US6871941B2Mar 29, 2005
Print head, manufacturing method therefor, and printer
SONY CORP23 citations92
US6817699B2Nov 16, 2004
Printer
SONY CORP24 citations92
US6663223B2Dec 16, 2003
Print head, manufacturing method therefor and printer
SONY CORP16 citations92
US6637856B2Oct 28, 2003
Inkjet head and inkjet printer
SONY CORP40 citations92
US6494554B1Dec 17, 2002
Apparatus and method for driving recording head for ink-jet printer
SONY CORP23 citations92
US6283568B1Sep 4, 2001
Ink-jet printer and apparatus and method of recording head for ink-jet printer
SONY CORP46 citations91
US7251883B2Aug 7, 2007
Electronic-component alignment method and apparatus therefor
SONY CORP17 citations89
US7216111B2May 8, 2007
Accounting apparatus, accounting method, and computer-readable program storage medium for storing program having accounting function
SONY CORP11 citations84
US6938980B2Sep 6, 2005
Image forming apparatus and its control method
SONY CORP12 citations84
US7594319B2Sep 29, 2009
Electronic-component alignment method
SONY CORP10 citations81
US7373305B2May 13, 2008
Accounting apparatus, accounting method, and computer-readable program storage medium for storing program having accounting function
SONY CORP7 citations74
US6932464B2Aug 23, 2005
Piezoelectric actuator and its manufacturing method and ink-jet printhead
SONY CORP5 citations73
US6672714B2Jan 6, 2004
Ink-jet printhead
SONY CORP7 citations73
US5689786ANov 18, 1997
Image forming apparatus having endless belt photosensitive member in which the solidified developer becomes molten
SONY CORP9 citations73
US7997679B2Aug 16, 2011
Image forming apparatus and controlling method therefor
SONY CORP2 citations63
US7474435B2Jan 6, 2009
Connection apparatus, connecting method, and storage medium for storing computer-readable program having connecting functions
SONY CORP2 citations63
US7156485B2Jan 2, 2007
Liquid discharge head, cleaning method thereof, and liquid discharge apparatus
SONY CORP3 citations63
US5826149AOct 20, 1998
Developing device employing a liquid developer and picture forming device having such developing device
SONY CORP5 citations63
US7150514B2Dec 19, 2006
Print head, manufacturing method therefor, and printer
SONY CORP2 citations62
US7100254B2Sep 5, 2006
Method of manufacturing an ink-jet printhead
SONY CORP3 citations62
KONISHIROKU PHOTO IND
14 patentsUS5357354AOct 18, 1994
Color image processing apparatus capable of discriminating between a monochromatic document and a color document
KONISHIROKU PHOTO IND49 citations92
US4974030ANov 27, 1990
Cleaning device for electrostatic recording apparatus
KONISHIROKU PHOTO IND33 citations92
US4674860AJun 23, 1987
Image transfer device
KONISHIROKU PHOTO IND35 citations90
US4439462AMar 27, 1984
Method for transferring and fixing a toner image
KONISHIROKU PHOTO IND20 citations82
US5220416AJun 15, 1993
Color image processing apparatus
KONISHIROKU PHOTO IND10 citations74
US4562447ADec 31, 1985
Ion modulating electrode
KONISHIROKU PHOTO IND13 citations74
US4495508AJan 22, 1985
Electrostatic reproducing apparatus
KONISHIROKU PHOTO IND11 citations74
US4435066AMar 6, 1984
Ion modulating electrode with improved transmission factor
KONISHIROKU PHOTO IND14 citations74
US4426654AJan 17, 1984
Ion modulating electrode
KONISHIROKU PHOTO IND14 citations74
US4425035AJan 10, 1984
Image reproducing apparatus
KONISHIROKU PHOTO IND8 citations74
US4435723AMar 6, 1984
Recording apparatus with editing capability
KONISHIROKU PHOTO IND14 citations73
US4933721AJun 12, 1990
Image forming apparatus with preconditioning exposure selectively forming a multi-color and mono-color image
KONISHIROKU PHOTO IND11 citations69
US4488160ADec 11, 1984
Electrostatic apparatus
KONISHIROKU PHOTO IND3 citations63
US4430661AFeb 7, 1984
Method and apparatus for image reproduction
KONISHIROKU PHOTO IND5 citations63
FUJITSU LTD
6 patentsUS4600685AJul 15, 1986
Patterning process using ladder-type organosiloxane resin and process for production of electronic devices utilizing said patterning process
FUJITSU LTD60 citations96
US7019231B2Mar 28, 2006
Inertial sensor
FUJITSU LTD47 citations93
US7472611B2Jan 6, 2009
Stress detection method for force sensor device with multiple axis sensor and force sensor device employing this method
FUJITSU LTD9 citations84
US7069789B2Jul 4, 2006
Inertial sensor
FUJITSU LTD15 citations84
US4349395ASep 14, 1982
Method for producing MOS semiconductor device
FUJITSU LTD6 citations73
US4270136AMay 26, 1981
MIS Device having a metal and insulating layer containing at least one cation-trapping element
FUJITSU LTD8 citations73
TOKYO JUKI INDUSTRIAL CO LTD
2 patentsHITACHI LTD
1 patentNIPPON TELEGRAPH & TELEPHONE
1 patentFUJITSU MEDIA DEVICES LTD
1 patentGRAPHTEC KK
1 patentShowing the top 50 of 62 patents by PatentIndex Score.