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Kanagawa, Japan

Sunao Ishizaki

USPTO Granted Patents = 15

Average Co-Inventor Count = 1.1

ph-index = 8

Forward Citations = 209(Granted Patents)

Location History:

Tokyo, JP (1995 - 2005)
Ebina, JP (2007 - 2009)
Kanagawa, JP (2008 - 2014)

Company Filing History:

13 out of 11,665

Fuji Xerox Co., Ltd.

2 out of 35,734

Nec Corporation

Years Active: 1995-2014

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15 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8913292 - Image reading apparatus and method, and image forming apparatus (2014-12-16),

2. 8109587 - Capacitive load driving circuit and liquid droplet jetting apparatus (2012-02-07),

3. 7997675 - Piezoelectric head inspection device and droplet jetting device (2011-08-16),

4. 7997671 - Capacitive load driving circuit and method, liquid droplet ejection device, and piezoelectric speaker driving device (2011-08-16),

5. 7850265 - Capacitive load driving circuit and method, liquid droplet ejection device, and piezoelectric speaker driving device (2010-12-14),

6. 7798596 - Inkjet recording apparatus (2010-09-21),

7. 7798591 - Capacitive load driving circuit and droplet ejection apparatus (2010-09-21),

8. 7600845 - Piezoelectric head inspection device and droplet jetting device (2009-10-13),

9. 7571989 - Droplet ejection head driving circuit and method, and droplet ejection device (2009-08-11),

10. 7452049 - Inkjet recording apparatus (2008-11-18),

11. 7244007 - Capacitive load driving circuit, droplet ejection device, droplet ejection unit and inkjet head driving circuit (2007-07-17),

12. 6929340 - Drive circuit of ink jet head and driving method of ink jet head (2005-08-16),

13. 6582043 - Driving device and driving method for ink jet printing head (2003-06-24),

14. 6454377 - Driving circuit for ink jet printing head (2002-09-24),

15. 5433541 - Control device for controlling movement of a printing head carriage and (1995-07-18),

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