Challener; William A.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Challener; William A..The latest application filed is for "near field transducer with shaped energy radiating end".

Company Profile

0.24.14

Challener; William A. - Eden Prairie MN
Challener; William A. - Schenectady NY
Challener; William A. - Sewickley PA US
Challener; William A. - Glenville NY
Challener; William A. - Grant MN
Challener; William A. - St. Paul MN

*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
Near field transducer with shaped energy radiating end Grant 8,773,959 - Gao , et al. July 8, 2	2014-07-08
Near-field transducers for focusing light Grant 8,711,662 - Lee , et al. April 29, 2	2014-04-29
Near Field Transducer With Shaped Energy Radiating End App 20130170332 - Gao; Kaizhong ; et al.	2013-07-04
Multilevel data structure Grant 8,395,984 - Karns , et al. March 12, 2	2013-03-12
Near field transducer with shaped energy radiating end Grant 8,385,159 - Gao , et al. February 26, 2	2013-02-26
Thin film structure with controlled lateral thermal spreading in the thin film Grant 8,149,539 - Lu , et al. April 3, 2	2012-04-03
Near Field Transducer With Shaped Energy Radiating End App 20110286127 - Gao; Kaizhong ; et al.	2011-11-24
Thin Film Structure With Controlled Lateral Thermal Spreading In The Thin Film App 20110096432 - Lu; Bin ; et al.	2011-04-28
Writeale Optical Recording Of Multi-level Oriented Nano-structure Discs App 20110044147 - Karns; Duane C. ; et al.	2011-02-24
Thin film structure with controlled lateral thermal spreading in the thin film Grant 7,869,162 - Lu , et al. January 11, 2	2011-01-11
Phase compensator for coupling an electromagnetic wave into an optical condenser Grant 7,839,497 - Rausch , et al. November 23, 2	2010-11-23
Phase Compensator For Coupling An Electromagnetic Wave Into An Optical Condenser App 20100290116 - Rausch; Tim ; et al.	2010-11-18
Writeable optical recording of multilevel oriented nano-structure discs Grant 7,830,775 - Karns , et al. November 9, 2	2010-11-09
Thin film structure with controlled lateral thermal spreading in the thin film App 20080198738 - Lu; Bin ; et al.	2008-08-21
Diffraction grating Grant 7,266,268 - Challener , et al. September 4, 2	2007-09-04
Writeable optical recording of multilevel oriented nano-structure discs App 20070195672 - Karns; Duane C. ; et al.	2007-08-23
Planar optical device for generating optical nanojets App 20070115787 - Itagi; Amit V. ; et al.	2007-05-24
Recording pole for delivering coincident heat and magnetic field Grant 6,944,101 - Johns , et al. September 13, 2	2005-09-13
Heat assisted magnetic recording head with a planar waveguide Grant 6,944,112 - Challener September 13, 2	2005-09-13
Diffraction grating App 20050135008 - Challener, William A. ; et al.	2005-06-23
Recording pole for delivering coincident heat and magnetic field App 20040008591 - Johns, Earl C. ; et al.	2004-01-15
Heat assisted magnetic recording head with a planar waveguide App 20040001420 - Challener, William A.	2004-01-01
Sensor disk having radial grooves and optical assaying method using same Grant 6,653,152 - Challener November 25, 2	2003-11-25
Optical sensor having dielectric film stack Grant 6,625,336 - Challener , et al. September 23, 2	2003-09-23
Heat assisted magnetic recording head with hybrid write pole App 20030128633 - Batra, Sharat ; et al.	2003-07-10
Optical sensor having dielectric film stack App 20020018610 - Challener, William A. ; et al.	2002-02-14
Diffraction anomaly sensor having grating coated with protective dielectric layer Grant RE37,473 - Challener December 18, 2	2001-12-18
Optical sensor having dielectric film stack Grant 6,320,991 - Challener , et al. November 20, 2	2001-11-20
Optical assaying method and system having movable sensor with multiple sensing regions App 20010031503 - Challener, William A. ; et al.	2001-10-18
Optical assaying method and system having movable sensor with multiple sensing regions Grant 6,277,653 - Challener , et al. August 21, 2	2001-08-21
Near normal incidence optical assaying method and system having wavelength and angle sensitivity Grant 6,100,991 - Challener August 8, 2	2000-08-08
Optical assaying method and system having rotatable sensor disk with multiple sensing regions Grant 5,994,150 - Challener , et al. November 30, 1	1999-11-30
Optical sensor having optimized surface profile Grant 5,986,762 - Challener November 16, 1	1999-11-16
Near normal incidence optical assaying method and system having wavelength and angle sensitivity Grant 5,955,378 - Challener September 21, 1	1999-09-21
Diffraction anomaly sensor having grating coated with protective dielectric layer Grant 5,925,878 - Challener July 20, 1	1999-07-20

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