Chang; Byung J.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Chang; Byung J..The latest application filed is for "head-mountable illuminators with user-selectable color temperature".

Company Profile

2.41.24

Chang; Byung J. - Ann Arbor MI

*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
Head-mountable Illuminators With User-selectable Color Temperature App 20220268426 - Chang; Byung J. ; et al.	2022-08-25
Removable, adjustable wire arms for nose pads Grant 11,402,658 - Chang August 2, 2	2022-08-02
Pair of removable, adjustable wire arms for nose pads Grant D924,407 - Chang July 6, 2	2021-07-06
Head-mounted illuminator with capacitive proximity control Grant 11,013,573 - Chang May 25, 2	2021-05-25
Multifunctional Mounting Assembly For Wrap-around Eyeglass Frames App 20210124191 - Chang; Byung J.	2021-04-29
Removable, Adjustable Wire Arms For Nose Pads App 20210033883 - Chang; Byung J.	2021-02-04
Head-mounted Medical/dental Accessories With Voice-controlled Operation App 20210029804 - Chang; Byung J.	2021-01-28
Pair of removable, adjustable wire arms for nose pads Grant D908,219 - Chang January 19, 2	2021-01-19
Pair of removable, adjustable wire arms for nose pads Grant D908,220 - Chang January 19, 2	2021-01-19
Head-mounted medical/dental accessories with voice-controlled operation Grant 10,842,002 - Chang November 17, 2	2020-11-17
Head-mounted Illuminator With Capacitive Proximity Control App 20190125482 - Chang; Byung J.	2019-05-02
Head-mounted Medical/dental Accessories With Voice-controlled Operation App 20180310384 - Chang; Byung J.	2018-10-25
Medical/dental headlamp with adjustable proximity on/off sensor Grant 10,066,816 - Chang September 4, 2	2018-09-04
Custom Fit Nose Pads For Spectacle Frames App 20180239165 - Chang; Byung J.	2018-08-23
Neck Posture Recording And Warning Device App 20170345274 - Chang; Byung J.	2017-11-30
High-efficiency LED illuminator with improved beam quality and ventilated housing Grant 9,494,299 - Chang November 15, 2	2016-11-15
Through-the-lens (TTL) loupes with improved declination angle Grant 9,465,235 - Chang October 11, 2	2016-10-11
Medical/dental Headlamp With Adjustable Proximity On/off Sensor App 20160238220 - Chang; Byung J.	2016-08-18
High-efficiency LED illuminator with improved beam quality Grant 9,383,077 - Chang July 5, 2	2016-07-05
Medical/dental headlight system with interchangeable beam-forming optics Grant 9,273,836 - Chang March 1, 2	2016-03-01
Through-the-lens loupes with improved declination angle Grant D746,354 - Chang December 29, 2	2015-12-29
Head-worn illuminators and magnifiers with optical rejection coatings to assist medical and dental professionals Grant 9,052,455 - Chang June 9, 2	2015-06-09
Through-the-lens (ttl) Loupes With Improved Declination Angle App 20150146290 - Chang; Byung J.	2015-05-28
Mechanically stabilized optical mounting assembly Grant 8,964,291 - Chang February 24, 2	2015-02-24
Motion-activated Medical/dental Headlamp App 20150003048 - Chang; Byung J.	2015-01-01
Medical/dental Headlamp With Adjustable Proximity On/off Sensor App 20150003049 - Chang; Byung J.	2015-01-01
Low profile optical mounting assembly Grant 8,913,318 - Cummings , et al. December 16, 2	2014-12-16
High-efficiency Led Illuminator With Improved Beam Quality And Ventilated Housing App 20140293588 - Chang; Byung J.	2014-10-02
High-efficiency Led Illuminator With Improved Beam Quality App 20140247582 - Chang; Byung J.	2014-09-04
LED illuminator with improved beam quality Grant 8,662,709 - Chang March 4, 2	2014-03-04
Head-mountable LED illuminator Grant D682,450 - Chang May 14, 2	2013-05-14
Mechanically Stabilized Optical Mounting Assembly App 20130094081 - Chang; Byung J.	2013-04-18
Medical/dental Headlight System With Improved Color Rendition App 20120320568 - Chang; Byung J.	2012-12-20
Head-worn Illuminators And Magnifiers With Optical Rejection Coatings To Assist Medical And Dental Professionals App 20120320454 - Chang; Byung J.	2012-12-20
Through-the-lens loupe assembly with interpupillary distance adjustment Grant 8,120,847 - Chang February 21, 2	2012-02-21
Led Illuminator With Improved Beam Quality App 20110305007 - Chang; Byung J.	2011-12-15
Low-profile optical mounting assembly Grant D649,571 - Cummings , et al. November 29, 2	2011-11-29
LED illuminator with improved beam quality Grant 8,047,684 - Chang November 1, 2	2011-11-01
Led Illuminator With Improved Beam Quality App 20110122598 - Chang; Byung J.	2011-05-26
Spectacle frames Grant D636,011 - Chang April 12, 2	2011-04-12
Medical/dental Headlight System With Interchangeable Beam-forming Optics App 20110026258 - Chang; Byung J.	2011-02-03
Through-the-lens Loupe Assembly With Interpupillary Distance Adjustment App 20100290115 - Chang; Byung J.	2010-11-18
Pair of through-the-lens medical/dental loupes Grant D617,825 - Chang June 15, 2	2010-06-15
Belt-worn control unit for LED headlight Grant D601,975 - Chang October 13, 2	2009-10-13
Clip-on head-mounted LED light for medical and dental professionals Grant D602,185 - Chang October 13, 2	2009-10-13
Through-the-lens medical/dental loupes Grant D592,693 - Chang May 19, 2	2009-05-19
Through-the-lens medical/dental loupes Grant D592,691 - Chang May 19, 2	2009-05-19
Through-the-lens medical/dental loupes Grant D592,692 - Chang May 19, 2	2009-05-19
Heat-dissipating Head-mounted Led Lamp App 20080101081 - Chang; Byung J.	2008-05-01
Laser protection window using holographic optical element and channel plates Grant 5,587,847 - Chang , et al. December 24, 1	1996-12-24
Spectacle frame for telemicroscopes and the like Grant 5,446,507 - Chang August 29, 1	1995-08-29
Laser protection window with tilted modulated index of refraction filter elements Grant 5,179,630 - Chang , et al. January 12, 1	1993-01-12
Method for forming holographic optical elements free of secondary fringes Grant 5,124,815 - Chang * June 23, 1	1992-06-23
Two beam method for forming holographic optical elements free of secondary fringes Grant 5,071,208 - Chang December 10, 1	1991-12-10
Detection system for Raman scattering employing holographic diffraction Grant 5,011,284 - Tedesco , et al. April 30, 1	1991-04-30
Real time holographic filter using nonlinear optical materials Grant 4,879,167 - Chang November 7, 1	1989-11-07
Doubly modulated on-axis thick hologram optical element Grant 4,245,882 - Chang January 20, 1	1981-01-20

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