Johnson; Frederick G.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Johnson; Frederick G..The latest application filed is for "coupled optical waveguide resonators with heaters for thermo-optic control of wavelength and compound filter shape".

Company Profile

0.13.12

Johnson; Frederick G. - Ellicott City MD
Johnson; Frederick G. - Lanham MD
Johnson; Frederick G - Lanham MD
Johnson; Frederick G. - Annapolis Junction MD

*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
Coupled optical waveguide resonators with heaters for thermo-optic control of wavelength and compound filter shape Grant 7,973,265 - Chu , et al. July 5, 2	2011-07-05
Coupled optical waveguide resonators with heaters for thermo-optic control of wavelength and compound filter shape Grant 7,903,910 - Chu , et al. March 8, 2	2011-03-08
Coupled Optical Waveguide Resonators With Heaters For Thermo-optic Control Of Wavelength And Compound Filter Shape App 20090314763 - Chu; Sai ; et al.	2009-12-24
Coupled optical waveguide resonators with heaters for thermo-optic control of wavelength and compound filter shape Grant 7,583,879 - Chu , et al. September 1, 2	2009-09-01
Microresonator-based high-performance high-pressure sensor and system Grant 7,435,944 - Ja , et al. October 14, 2	2008-10-14
Coupled Optical Waveguide Resonators With Heaters For Thermo-optic Control Of Wavelength And Compound Filter Shape App 20080175538 - Chu; Sai ; et al.	2008-07-24
Coupled optical waveguide resonators with heaters for thermo-optic control of wavelength and compound filter shape Grant 7,356,221 - Chu , et al. April 8, 2	2008-04-08
Coupled optical waveguide resonators with heaters for thermo-optic control of wavelength and compound filter shape App 20070211992 - chu; Sai ; et al.	2007-09-13
Coupled optical waveguide resonators with heaters for thermo-optic control of wavelength and compound filter shape App 20070206899 - Chu; Sai ; et al.	2007-09-06
Microresonator-based high-performance high-pressure sensor and system Grant 7,244,926 - Ja , et al. July 17, 2	2007-07-17
Microresonator-based high-performance high-pressure sensor and system App 20070152142 - Ja; Shiou-jyh ; et al.	2007-07-05
Coupled optical waveguide resonators with heaters for thermo-optic control of wavelength and compound filter shape Grant 7,231,113 - Chu , et al. June 12, 2	2007-06-12
Silicon-oxycarbide high index contrast, low-loss optical waveguides and integrated thermo-optic devices Grant 7,043,133 - Johnson , et al. May 9, 2	2006-05-09
Coupled optical waveguide resonators with heaters for thermo-optic control of wavelength and compound filter shape App 20060051010 - Chu; Sai ; et al.	2006-03-09
Integrated optical circuit with dense planarized cladding layer Grant 6,949,392 - Gill , et al. September 27, 2	2005-09-27
Silicon-oxycarbide high index contrast, low-loss optical waveguides and integrated thermo-optic devices App 20040240820 - Johnson, Frederick G. ; et al.	2004-12-02
Integrated optical circuit with dense planarized cladding layer App 20040201026 - Gill, David M. ; et al.	2004-10-14
Use of deuterated gases for the vapor deposition of thin films for low-loss optical devices and waveguides Grant 6,771,868 - Johnson , et al. August 3, 2	2004-08-03
Integrated optical circuit with dense planarized cladding layer Grant 6,768,828 - Gill , et al. July 27, 2	2004-07-27
Integrated optical circuit with dense planarized cladding layer App 20040087049 - Gill, David M. ; et al.	2004-05-06
Use of deuterated gases for the vapor deposition of thin films for low-loss optical devices and waveguides App 20030210880 - Johnson, Frederick G. ; et al.	2003-11-13
Use of deuterated gases for the vapor deposition of thin films for low-loss optical devices and waveguides Grant 6,614,977 - Johnson , et al. September 2, 2	2003-09-02
Method of efficient controllable and repeatable wet oxidation in a phosphorous-rich III-V material system Grant 6,610,612 - Dagenais , et al. August 26, 2	2003-08-26
Use of deuterated gases for the vapor deposition of thin films for low-loss optical devices and waveguides App 20030012538 - Johnson, Frederick G. ; et al.	2003-01-16
Method of efficient controllable and repeatable wet oxidation in a phosphorous-rich III-V material system App 20020127758 - Dagenais, Mario ; et al.	2002-09-12

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