Ishizaki; Sunao

Patent Applications and Registrations

Patent applications and USPTO patent grants for Ishizaki; Sunao.The latest application filed is for "image reading apparatus and method, and image forming apparatus".

Company Profile

0.15.13

Ishizaki; Sunao - Kanagawa JP
Ishizaki; Sunao - Ebina JP
Ishizaki; Sunao - Tokyo JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Image reading apparatus and method, and image forming apparatus Grant 8,913,292 - Ishizaki , et al. December 16, 2	2014-12-16
Image Reading Apparatus And Method, And Image Forming Apparatus App 20140022571 - ISHIZAKI; Sunao ; et al.	2014-01-23
Capacitive load driving circuit and liquid droplet jetting apparatus Grant 8,109,587 - Ishizaki February 7, 2	2012-02-07
Capacitive load driving circuit and method, liquid droplet ejection device, and piezoelectric speaker driving device Grant 7,997,671 - Ishizaki August 16, 2	2011-08-16
Piezoelectric head inspection device and droplet jetting device Grant 7,997,675 - Ishizaki August 16, 2	2011-08-16
Capacitive Load Driving Circuit And Method, Liquid Droplet Ejection Device, And Piezoelectric Speaker Driving Device App 20110002486 - Ishizaki; Sunao	2011-01-06
Capacitive load driving circuit and method, liquid droplet ejection device, and piezoelectric speaker driving device Grant 7,850,265 - Ishizaki December 14, 2	2010-12-14
Inkjet recording apparatus Grant 7,798,596 - Ishizaki September 21, 2	2010-09-21
Capacitive load driving circuit and droplet ejection apparatus Grant 7,798,591 - Ishizaki September 21, 2	2010-09-21
Capacitive Load Driving Circuit And Liquid Droplet Jetting Apparatus App 20100045714 - Ishizaki; Sunao	2010-02-25
Piezoelectric head inspection device and droplet jetting device Grant 7,600,845 - Ishizaki October 13, 2	2009-10-13
Piezoelectric Head Inspection Device And Droplet Jetting Device App 20090244152 - Ishizaki; Sunao	2009-10-01
Droplet ejection head driving circuit and method, and droplet ejection device Grant 7,571,989 - Ishizaki August 11, 2	2009-08-11
Capacitive Load Driving Circuit And Droplet Ejection Apparatus App 20090160891 - Ishizaki; Sunao	2009-06-25
Inkjet Recording Apparatus App 20090046121 - Ishizaki; Sunao	2009-02-19
Inkjet recording apparatus Grant 7,452,049 - Ishizaki November 18, 2	2008-11-18
Piezoelectric head inspection device and droplet jetting device App 20070279446 - Ishizaki; Sunao	2007-12-06
Droplet ejection head driving circuit and method, and droplet ejection device App 20070165074 - Ishizaki; Sunao	2007-07-19
Capacitive load driving circuit, droplet ejection device, droplet ejection unit and inkjet head driving circuit Grant 7,244,007 - Ishizaki July 17, 2	2007-07-17
Capacitive load driving circuit and method, liquid droplet ejection device, and piezoelectric speaker driving device App 20070079710 - Ishizaki; Sunao	2007-04-12
Inkjet recording apparatus App 20060038858 - Ishizaki; Sunao	2006-02-23
Capacitive load driving circuit, droplet ejection device, droplet ejection unit and inkjet head driving circuit App 20050231179 - Ishizaki, Sunao	2005-10-20
Drive circuit of ink jet head and driving method of ink jet head Grant 6,929,340 - Ishizaki August 16, 2	2005-08-16
Driving device and driving method for ink jet printing head Grant 6,582,043 - Ishizaki June 24, 2	2003-06-24
Driving circuit for ink jet printing head Grant 6,454,377 - Ishizaki September 24, 2	2002-09-24
Drive circuit of ink jet head and driving method of ink jet head App 20020097285 - Ishizaki, Sunao	2002-07-25
Driving device and driving method for ink jet printing head App 20010026292 - Ishizaki, Sunao	2001-10-04
Control device for controlling movement of a printing head carriage and control method for controlling the same Grant 5,433,541 - Hieda , et al. July 18, 1	1995-07-18

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