Search

Tu T Nguyen

Examiner (ID: 9678, Phone: (571)272-2424 , Office: P/2453 )

Most Active Art Unit
2877
Art Unit(s)
2453, 3992, 2486, 2886, 2877
Total Applications
1811
Issued Applications
1578
Pending Applications
95
Abandoned Applications
142

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 674026 [patent_doc_number] => 07092092 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2006-08-15 [patent_title] => 'Hand-carried LED polariscope' [patent_app_type] => utility [patent_app_number] => 10/908647 [patent_app_country] => US [patent_app_date] => 2005-05-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1854 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/092/07092092.pdf [firstpage_image] =>[orig_patent_app_number] => 10908647 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/908647
Hand-carried LED polariscope May 19, 2005 Issued
Array ( [id] => 7601026 [patent_doc_number] => 07385683 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-06-10 [patent_title] => 'Method of characterizing fiber Bragg gratings using iterative processing' [patent_app_type] => utility [patent_app_number] => 11/130418 [patent_app_country] => US [patent_app_date] => 2005-05-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 38 [patent_figures_cnt] => 40 [patent_no_of_words] => 16195 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/385/07385683.pdf [firstpage_image] =>[orig_patent_app_number] => 11130418 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/130418
Method of characterizing fiber Bragg gratings using iterative processing May 15, 2005 Issued
Array ( [id] => 7109433 [patent_doc_number] => 20050206887 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-09-22 [patent_title] => 'Method and apparatus for analyzing the state of generation of foreign particles in semiconductor fabrication process' [patent_app_type] => utility [patent_app_number] => 11/128352 [patent_app_country] => US [patent_app_date] => 2005-05-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 35 [patent_figures_cnt] => 35 [patent_no_of_words] => 22492 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0206/20050206887.pdf [firstpage_image] =>[orig_patent_app_number] => 11128352 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/128352
Method and apparatus for analyzing the state of generation of foreign particles in semiconductor fabrication process May 12, 2005 Issued
Array ( [id] => 5833119 [patent_doc_number] => 20060244949 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-11-02 [patent_title] => 'Method of estimating and measuring longitudinal dispersion in optical fibers' [patent_app_type] => utility [patent_app_number] => 11/118302 [patent_app_country] => US [patent_app_date] => 2005-04-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 9727 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0244/20060244949.pdf [firstpage_image] =>[orig_patent_app_number] => 11118302 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/118302
Method of estimating and measuring longitudinal dispersion in optical fibers Apr 28, 2005 Issued
Array ( [id] => 394761 [patent_doc_number] => 07298464 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2007-11-20 [patent_title] => 'System and method for measuring the phase noise of very long fiber optic links' [patent_app_type] => utility [patent_app_number] => 11/115389 [patent_app_country] => US [patent_app_date] => 2005-04-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2457 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 43 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/298/07298464.pdf [firstpage_image] =>[orig_patent_app_number] => 11115389 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/115389
System and method for measuring the phase noise of very long fiber optic links Apr 26, 2005 Issued
Array ( [id] => 5918895 [patent_doc_number] => 20060238746 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-10-26 [patent_title] => 'Active wavelength converter for use with an optical time-domain reflectometer (OTDR) and method for increasing OTDR supervision distance range' [patent_app_type] => utility [patent_app_number] => 11/110857 [patent_app_country] => US [patent_app_date] => 2005-04-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 1997 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0238/20060238746.pdf [firstpage_image] =>[orig_patent_app_number] => 11110857 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/110857
Active wavelength converter for use with an optical time-domain reflectometer (OTDR) and method for increasing OTDR supervision distance range Apr 20, 2005 Issued
Array ( [id] => 5918895 [patent_doc_number] => 20060238746 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-10-26 [patent_title] => 'Active wavelength converter for use with an optical time-domain reflectometer (OTDR) and method for increasing OTDR supervision distance range' [patent_app_type] => utility [patent_app_number] => 11/110857 [patent_app_country] => US [patent_app_date] => 2005-04-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 1997 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0238/20060238746.pdf [firstpage_image] =>[orig_patent_app_number] => 11110857 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/110857
Active wavelength converter for use with an optical time-domain reflectometer (OTDR) and method for increasing OTDR supervision distance range Apr 20, 2005 Issued
Array ( [id] => 405376 [patent_doc_number] => 07289211 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2007-10-30 [patent_title] => 'System and method for imaging sub-surface polarization-sensitive material structures' [patent_app_type] => utility [patent_app_number] => 11/103726 [patent_app_country] => US [patent_app_date] => 2005-04-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 33 [patent_figures_cnt] => 33 [patent_no_of_words] => 17308 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/289/07289211.pdf [firstpage_image] =>[orig_patent_app_number] => 11103726 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/103726
System and method for imaging sub-surface polarization-sensitive material structures Apr 10, 2005 Issued
Array ( [id] => 7602792 [patent_doc_number] => 07236243 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-06-26 [patent_title] => 'Hand-held spectrometer' [patent_app_type] => utility [patent_app_number] => 11/103699 [patent_app_country] => US [patent_app_date] => 2005-04-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 8473 [patent_no_of_claims] => 41 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/236/07236243.pdf [firstpage_image] =>[orig_patent_app_number] => 11103699 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/103699
Hand-held spectrometer Apr 10, 2005 Issued
Array ( [id] => 7604525 [patent_doc_number] => 07116410 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-10-03 [patent_title] => 'Automated system and method for optical measurement and testing' [patent_app_type] => utility [patent_app_number] => 11/098711 [patent_app_country] => US [patent_app_date] => 2005-04-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 6376 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/116/07116410.pdf [firstpage_image] =>[orig_patent_app_number] => 11098711 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/098711
Automated system and method for optical measurement and testing Apr 3, 2005 Issued
Array ( [id] => 862202 [patent_doc_number] => 07372553 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-05-13 [patent_title] => 'Apparatus and method for detecting defect in optical fiber, and plastic optical fiber manufacturing apparatus' [patent_app_type] => utility [patent_app_number] => 10/594682 [patent_app_country] => US [patent_app_date] => 2005-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 13 [patent_no_of_words] => 4514 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 187 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/372/07372553.pdf [firstpage_image] =>[orig_patent_app_number] => 10594682 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/594682
Apparatus and method for detecting defect in optical fiber, and plastic optical fiber manufacturing apparatus Mar 28, 2005 Issued
Array ( [id] => 7017511 [patent_doc_number] => 20050219529 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-10-06 [patent_title] => 'Sample analysis method' [patent_app_type] => utility [patent_app_number] => 11/089783 [patent_app_country] => US [patent_app_date] => 2005-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 7423 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0219/20050219529.pdf [firstpage_image] =>[orig_patent_app_number] => 11089783 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/089783
Sample analysis method Mar 24, 2005 Issued
Array ( [id] => 5263318 [patent_doc_number] => 20090116003 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-05-07 [patent_title] => 'APPARATUS FOR DETECTING JOINTS IN RUBBER SHEETS' [patent_app_type] => utility [patent_app_number] => 10/594653 [patent_app_country] => US [patent_app_date] => 2005-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 7353 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 18 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0116/20090116003.pdf [firstpage_image] =>[orig_patent_app_number] => 10594653 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/594653
APPARATUS FOR DETECTING JOINTS IN RUBBER SHEETS Mar 23, 2005 Abandoned
Array ( [id] => 4661983 [patent_doc_number] => 20080252890 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-10-16 [patent_title] => 'Target Substance Sensor and Method Thereof Using a Photonic Crystal' [patent_app_type] => utility [patent_app_number] => 10/593646 [patent_app_country] => US [patent_app_date] => 2005-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 10187 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0252/20080252890.pdf [firstpage_image] =>[orig_patent_app_number] => 10593646 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/593646
Target substance sensor and method thereof using a photonic crystal Mar 22, 2005 Issued
Array ( [id] => 827613 [patent_doc_number] => 07403285 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-07-22 [patent_title] => 'Apparatus and method for measuring optical characteristics of an object' [patent_app_type] => utility [patent_app_number] => 11/085934 [patent_app_country] => US [patent_app_date] => 2005-03-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 63 [patent_figures_cnt] => 89 [patent_no_of_words] => 48530 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 244 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/403/07403285.pdf [firstpage_image] =>[orig_patent_app_number] => 11085934 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/085934
Apparatus and method for measuring optical characteristics of an object Mar 20, 2005 Issued
Array ( [id] => 391034 [patent_doc_number] => 07301631 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2007-11-27 [patent_title] => 'Control of uncertain angle of incidence of beam from Arc lamp' [patent_app_type] => utility [patent_app_number] => 11/084827 [patent_app_country] => US [patent_app_date] => 2005-03-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2284 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/301/07301631.pdf [firstpage_image] =>[orig_patent_app_number] => 11084827 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/084827
Control of uncertain angle of incidence of beam from Arc lamp Mar 20, 2005 Issued
Array ( [id] => 931779 [patent_doc_number] => 06980289 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-12-27 [patent_title] => 'System and method for measuring and compensating for the polarization mode dispersion of an optical signal' [patent_app_type] => utility [patent_app_number] => 11/085789 [patent_app_country] => US [patent_app_date] => 2005-03-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 5998 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/980/06980289.pdf [firstpage_image] =>[orig_patent_app_number] => 11085789 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/085789
System and method for measuring and compensating for the polarization mode dispersion of an optical signal Mar 20, 2005 Issued
Array ( [id] => 5767523 [patent_doc_number] => 20050264810 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-12-01 [patent_title] => 'Particle monitoring device and processing apparatus including same' [patent_app_type] => utility [patent_app_number] => 11/082652 [patent_app_country] => US [patent_app_date] => 2005-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3559 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0264/20050264810.pdf [firstpage_image] =>[orig_patent_app_number] => 11082652 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/082652
Particle monitoring device and processing apparatus including same Mar 17, 2005 Issued
Array ( [id] => 5758345 [patent_doc_number] => 20060209290 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-09-21 [patent_title] => 'SYSTEM AND INSTRUMENT TO VERIFY ROUTING AND MEASURE INSERTION LOSSES OF MULTIPLE FIBER OPTIC ASSEMBLIES' [patent_app_type] => utility [patent_app_number] => 11/081386 [patent_app_country] => US [patent_app_date] => 2005-03-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3030 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0209/20060209290.pdf [firstpage_image] =>[orig_patent_app_number] => 11081386 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/081386
System and instrument to verify routing and measure insertion losses of multiple fiber optic assemblies Mar 15, 2005 Issued
Array ( [id] => 635589 [patent_doc_number] => 07130032 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-10-31 [patent_title] => 'Alternate test method for RF cable testing to avoid long test cables' [patent_app_type] => utility [patent_app_number] => 11/078804 [patent_app_country] => US [patent_app_date] => 2005-03-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 6 [patent_no_of_words] => 3005 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/130/07130032.pdf [firstpage_image] =>[orig_patent_app_number] => 11078804 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/078804
Alternate test method for RF cable testing to avoid long test cables Mar 10, 2005 Issued
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