Yokoyama; Kazuo

Patent Applications and Registrations

Patent applications and USPTO patent grants for Yokoyama; Kazuo.The latest application filed is for "optical microphone".

Company Profile

0.35.21

Yokoyama; Kazuo - Osaka JP
Yokoyama; Kazuo - Hirakata JP
Yokoyama; Kazuo - Hirakata-shi JP
Yokoyama; Kazuo - Hiroshima JP
Yokoyama; Kazuo - Kawasaki JP
Yokoyama; Kazuo - Iruma 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
Optical microphone Grant 9,197,969 - Iwamoto , et al. November 24, 2	2015-11-24
Optical Microphone App 20130308957 - IWAMOTO; Takuya ; et al.	2013-11-21
Polymer actuator Grant 8,487,505 - Ikushima , et al. July 16, 2	2013-07-16
Fluid transporting device using conductive polymer Grant 8,449,273 - Ikushima , et al. May 28, 2	2013-05-28
Fluid transporting device using conductive polymer Grant 8,062,007 - Ikushima , et al. November 22, 2	2011-11-22
Lens holder driving device and image pickup unit employing planary-driven polymer actuator Grant 8,000,044 - Ono , et al. August 16, 2	2011-08-16
Polymer Actuator App 20110121691 - Ikushima; Kimiya ; et al.	2011-05-26
Flat-plate lamination-type conductive polymer actuator and flat-plate lamination-type conductive polymer actuator device as well as operating method thereof Grant 7,839,055 - Nagamitsu , et al. November 23, 2	2010-11-23
Fluid Transporting Device Using Conductive Polymer App 20100260623 - Ikushima; Kimiya ; et al.	2010-10-14
Fluid Transporting Device Using Conductive Polymer App 20100221124 - Ikushima; Kimiya ; et al.	2010-09-02
Robot apparatus performing shielding operation of an object from workspace Grant 7,778,732 - Adachi , et al. August 17, 2	2010-08-17
Lens Holder Driving Device And Image Pickup Unit Employing Planary-driven Polymer Actuator App 20100110571 - Ono; Atsushi ; et al.	2010-05-06
Flat-plate Lamination-type Conductive Polymer Actuator And Flat-plate Lamination-type Conductive Polymer Actuator Device As Well As Operating Method Thereof App 20100096950 - Nagamitsu; Sachio ; et al.	2010-04-22
Actuator And Method For Manufacturing Planar Electrode Support For Actuator App 20100089524 - YOKOYAMA; Kazuo ; et al.	2010-04-15
Polymer actuator having active member layer that expands or contracts upon application of electric field Grant 7,679,268 - Yokoyama , et al. March 16, 2	2010-03-16
Articulated driving mechanism, method of manufacturing the mechanism, and holding hand and robot using the mechanism Grant 7,654,595 - Yokoyama , et al. February 2, 2	2010-02-02
Varifocal lens device Grant 7,643,217 - Yokoyama , et al. January 5, 2	2010-01-05
Actuator and method for manufacturing planar electrode support for actuator Grant 7,586,242 - Yokoyama , et al. September 8, 2	2009-09-08
Robot apparatus Grant 7,539,558 - Adachi , et al. May 26, 2	2009-05-26
Robot Apparatus App 20090125145 - Adachi; Yuji ; et al.	2009-05-14
Varifocal Lens Device App 20090002838 - Yokoyama; Kazuo ; et al.	2009-01-01
Robot apparatus App 20080161970 - Adachi; Yuji ; et al.	2008-07-03
Polymer actuator App 20070257582 - Yokoyama; Kazuo ; et al.	2007-11-08
Laminated-type multi-joint portion drive mechanism and manufacturing method therefor, grasping hand and robot arm provided with the same Grant 7,258,379 - Ono , et al. August 21, 2	2007-08-21
Conductive polymer actuator Grant 7,259,495 - Asai , et al. August 21, 2	2007-08-21
Actuator and method for manufacturing planar electrode support for actuator App 20070159031 - Yokoyama; Kazuo ; et al.	2007-07-12
Conductive polymer actuator App 20060219983 - Asai; Katsuhiko ; et al.	2006-10-05
Laminated-type multi-joint portion drive mechanism and manufacturing method therefor, grasping hand and robot arm provided with the same App 20060028041 - Ono; Atsushi ; et al.	2006-02-09
Recording/reproducing head and recording/reproducing apparatus incorporating the same Grant 6,982,932 - Sakakima , et al. January 3, 2	2006-01-03
Articulated driving mechanism, method of manufacturing the mechanism, and holding hand and robot using the mechanism App 20050218679 - Yokoyama, Kazuo ; et al.	2005-10-06
Head support mechanism, information recording/reproducing apparatus, and method of manufacturing head support mechanism Grant 6,943,990 - Yokoyama , et al. September 13, 2	2005-09-13
Piezoelectric element, actuator, and inkjet head Grant 6,903,491 - Irie , et al. June 7, 2	2005-06-07
Optical switch and production method therefor, information transmission device using it App 20050094931 - Yokoyama, Kazuo ; et al.	2005-05-05
Semiconductor device Grant 6,818,974 - Yokoyama , et al. November 16, 2	2004-11-16
Printer Having A Plurality Of Logical Printers Therein And Having A Control Unit Which Controls The Logical Printers So As To Print A Virtual Printing Process Of One Page At A Time, Thus Actually Printing Data For A Single Page Grant 6,775,019 - Sakurai , et al. August 10, 2	2004-08-10
Actuator with piezoelectric member Grant 6,724,580 - Irie , et al. April 20, 2	2004-04-20
Recording/reproducing head and recording/reproducing apparatus incorporating the same App 20040047080 - Sakakima, Hiroshi ; et al.	2004-03-11
Semiconductor device App 20040026777 - Yokoyama, Kazuo ; et al.	2004-02-12
Magnetic head having magnetoresistance device and recording/reproducing apparatus incorporating the same Grant 6,650,598 - Sakakima , et al. November 18, 2	2003-11-18
Recording/reproducing head and recording/reproducing apparatus incorporating the same App 20030072221 - Sakakima, Hiroshi ; et al.	2003-04-17
Magneto-optical head having thickness of the core same as a track width Grant 6,504,796 - Sakakima , et al. January 7, 2	2003-01-07
Piezoelectric element, actuator, and inkjet head App 20020180843 - Irie, Yousuke ; et al.	2002-12-05
Actuator, information recording/reproducing device, and method of manufacturing actuator App 20010046107 - Irie, Yousuke ; et al.	2001-11-29
High density recording by a conductive probe contact with phase change recording layer Grant 6,101,164 - Kado , et al. August 8, 2	2000-08-08
Output efficiency control device, projection-type display apparatus, infrared sensor, and non-contact thermometer Grant 6,072,620 - Shiono , et al. June 6, 2	2000-06-06
Diffractive optical modulator and method for producing the same, infrared sensor including such a diffractive optical modulator and method for producing the same, and display device including such a diffractive optical modulator Grant 5,949,570 - Shiono , et al. September 7, 1	1999-09-07
Diffractive optical modulator and method for producing the same, infrared sensor including such a diffractive optical modulator and method for producing the same, and display device including such a diffractive optical modulator Grant 5,920,418 - Shiono , et al. July 6, 1	1999-07-06
Magnetic head for use with a recording medium Grant 5,835,312 - Kuroe , et al. November 10, 1	1998-11-10
Positioning device Grant 5,438,206 - Yokoyama , et al. * August 1, 1	1995-08-01
Fabrication method of fine structures Grant 5,381,753 - Okajima , et al. January 17, 1	1995-01-17
Positioning device Grant 5,286,977 - Yokoyama , et al. February 15, 1	1994-02-15
Projection type liquid crystal display unit including orthogonal phase plates Grant 5,157,523 - Yamagishi , et al. October 20, 1	1992-10-20
Bonding wire Grant 4,752,442 - Asada , et al. June 21, 1	1988-06-21
Magnetic head and method for preparing the same Grant 4,170,032 - Yokoyama , et al. October 2, 1	1979-10-02

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