Search

David Yi

Supervisory Patent Examiner (ID: 6570, Phone: (571)270-7519 , Office: P/2132 )

Most Active Art Unit
2441
Art Unit(s)
2132, 2449, 2441, 2126
Total Applications
288
Issued Applications
198
Pending Applications
11
Abandoned Applications
83

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 7506785 [patent_doc_number] => 08035896 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-10-11 [patent_title] => 'Dispersive element, diffraction grating, color display device, demultiplexer, and diffraction grating manufacture' [patent_app_type] => utility [patent_app_number] => 12/553141 [patent_app_country] => US [patent_app_date] => 2009-09-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 10193 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/035/08035896.pdf [firstpage_image] =>[orig_patent_app_number] => 12553141 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/553141
Dispersive element, diffraction grating, color display device, demultiplexer, and diffraction grating manufacture Sep 2, 2009 Issued
Array ( [id] => 2498 [patent_doc_number] => 07810937 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-10-12 [patent_title] => 'Control of an automatic darkening filter' [patent_app_type] => utility [patent_app_number] => 12/540837 [patent_app_country] => US [patent_app_date] => 2009-08-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 3685 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/810/07810937.pdf [firstpage_image] =>[orig_patent_app_number] => 12540837 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/540837
Control of an automatic darkening filter Aug 12, 2009 Issued
Array ( [id] => 4558565 [patent_doc_number] => 07961394 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-06-14 [patent_title] => 'Polarizing glass, optical isolator, and method for producing polarizing glass' [patent_app_type] => utility [patent_app_number] => 12/669058 [patent_app_country] => US [patent_app_date] => 2009-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 6373 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/961/07961394.pdf [firstpage_image] =>[orig_patent_app_number] => 12669058 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/669058
Polarizing glass, optical isolator, and method for producing polarizing glass Mar 25, 2009 Issued
Array ( [id] => 4635611 [patent_doc_number] => 08014067 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-09-06 [patent_title] => 'High extinction ratio and low crosstalk compact optical switches' [patent_app_type] => utility [patent_app_number] => 12/364252 [patent_app_country] => US [patent_app_date] => 2009-02-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 14 [patent_no_of_words] => 3854 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 181 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/014/08014067.pdf [firstpage_image] =>[orig_patent_app_number] => 12364252 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/364252
High extinction ratio and low crosstalk compact optical switches Feb 1, 2009 Issued
Array ( [id] => 7599006 [patent_doc_number] => 07583443 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-09-01 [patent_title] => 'Reflective optical element for ultraviolet radiation, projection optical system and projection exposure system therewith, and method for forming the same' [patent_app_type] => utility [patent_app_number] => 12/321220 [patent_app_country] => US [patent_app_date] => 2009-01-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4761 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 200 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/583/07583443.pdf [firstpage_image] =>[orig_patent_app_number] => 12321220 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/321220
Reflective optical element for ultraviolet radiation, projection optical system and projection exposure system therewith, and method for forming the same Jan 19, 2009 Issued
Array ( [id] => 85615 [patent_doc_number] => 07742227 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-06-22 [patent_title] => 'Microscope apparatus' [patent_app_type] => utility [patent_app_number] => 12/343391 [patent_app_country] => US [patent_app_date] => 2008-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2236 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 247 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/742/07742227.pdf [firstpage_image] =>[orig_patent_app_number] => 12343391 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/343391
Microscope apparatus Dec 22, 2008 Issued
Array ( [id] => 5456955 [patent_doc_number] => 20090257107 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-10-15 [patent_title] => 'Device for controlling light radiation' [patent_app_type] => utility [patent_app_number] => 12/318287 [patent_app_country] => US [patent_app_date] => 2008-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 7263 [patent_no_of_claims] => 11 [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/A1/0257/20090257107.pdf [firstpage_image] =>[orig_patent_app_number] => 12318287 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/318287
Device for controlling light radiation Dec 22, 2008 Issued
Array ( [id] => 5583997 [patent_doc_number] => 20090103199 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-04-23 [patent_title] => 'HIGH POSITIONING REPRODUCIBLE LOW TORQUE MIRROR - ACTUATOR INTERFACE' [patent_app_type] => utility [patent_app_number] => 12/341597 [patent_app_country] => US [patent_app_date] => 2008-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 8664 [patent_no_of_claims] => 29 [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/A1/0103/20090103199.pdf [firstpage_image] =>[orig_patent_app_number] => 12341597 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/341597
High positioning reproducible low torque mirror-actuator interface Dec 21, 2008 Issued
Array ( [id] => 4491137 [patent_doc_number] => 07903334 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-03-08 [patent_title] => 'Refractive boundary elements, devices, and materials' [patent_app_type] => utility [patent_app_number] => 12/315759 [patent_app_country] => US [patent_app_date] => 2008-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 6493 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 39 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/903/07903334.pdf [firstpage_image] =>[orig_patent_app_number] => 12315759 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/315759
Refractive boundary elements, devices, and materials Dec 4, 2008 Issued
Array ( [id] => 7990167 [patent_doc_number] => 08077387 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-12-13 [patent_title] => 'Optical microscope' [patent_app_type] => utility [patent_app_number] => 12/256591 [patent_app_country] => US [patent_app_date] => 2008-10-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 1835 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/077/08077387.pdf [firstpage_image] =>[orig_patent_app_number] => 12256591 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/256591
Optical microscope Oct 22, 2008 Issued
Array ( [id] => 5440642 [patent_doc_number] => 20090092281 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-04-09 [patent_title] => 'METHOD FOR IMPROVED FORENSIC ANALYSIS' [patent_app_type] => utility [patent_app_number] => 12/243683 [patent_app_country] => US [patent_app_date] => 2008-10-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 31 [patent_figures_cnt] => 31 [patent_no_of_words] => 8093 [patent_no_of_claims] => 32 [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/A1/0092/20090092281.pdf [firstpage_image] =>[orig_patent_app_number] => 12243683 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/243683
METHOD FOR IMPROVED FORENSIC ANALYSIS Sep 30, 2008 Abandoned
Array ( [id] => 5329171 [patent_doc_number] => 20090109648 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-04-30 [patent_title] => 'Techniques For Controlling Observed Glare Using Polarized Optical Transmission And Reception Devices' [patent_app_type] => utility [patent_app_number] => 12/202153 [patent_app_country] => US [patent_app_date] => 2008-08-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 10382 [patent_no_of_claims] => 2 [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/A1/0109/20090109648.pdf [firstpage_image] =>[orig_patent_app_number] => 12202153 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/202153
Techniques For Controlling Observed Glare Using Polarized Optical Transmission And Reception Devices Aug 28, 2008 Abandoned
Array ( [id] => 5308670 [patent_doc_number] => 20090015951 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-01-15 [patent_title] => 'PROJECTION OBJECTIVE AND METHOD FOR ITS MANUFACTURE' [patent_app_type] => utility [patent_app_number] => 12/196618 [patent_app_country] => US [patent_app_date] => 2008-08-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3969 [patent_no_of_claims] => 16 [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/A1/0015/20090015951.pdf [firstpage_image] =>[orig_patent_app_number] => 12196618 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/196618
PROJECTION OBJECTIVE AND METHOD FOR ITS MANUFACTURE Aug 21, 2008 Abandoned
Array ( [id] => 4850829 [patent_doc_number] => 20080316571 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-12-25 [patent_title] => 'Apparatus And Methods Relating To Spatially Light Modulated Microscopy' [patent_app_type] => utility [patent_app_number] => 12/194513 [patent_app_country] => US [patent_app_date] => 2008-08-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 14567 [patent_no_of_claims] => 34 [patent_no_of_ind_claims] => 12 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0316/20080316571.pdf [firstpage_image] =>[orig_patent_app_number] => 12194513 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/194513
Apparatus and methods relating to spatially light modulated microscopy Aug 18, 2008 Issued
Array ( [id] => 5335575 [patent_doc_number] => 20090052039 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-02-26 [patent_title] => 'OPTICAL DEVICE' [patent_app_type] => utility [patent_app_number] => 12/192329 [patent_app_country] => US [patent_app_date] => 2008-08-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 2645 [patent_no_of_claims] => 3 [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/A1/0052/20090052039.pdf [firstpage_image] =>[orig_patent_app_number] => 12192329 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/192329
OPTICAL DEVICE Aug 14, 2008 Abandoned
Array ( [id] => 5347461 [patent_doc_number] => 20090002822 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-01-01 [patent_title] => 'Variable Reflectance Mirrors and Windows' [patent_app_type] => utility [patent_app_number] => 12/191804 [patent_app_country] => US [patent_app_date] => 2008-08-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 23 [patent_no_of_words] => 17264 [patent_no_of_claims] => 23 [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/A1/0002/20090002822.pdf [firstpage_image] =>[orig_patent_app_number] => 12191804 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/191804
Variable reflectance mirrors and windows Aug 13, 2008 Issued
Array ( [id] => 4850870 [patent_doc_number] => 20080316612 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-12-25 [patent_title] => 'Refractive boundary elements, devices, and materials' [patent_app_type] => utility [patent_app_number] => 12/228555 [patent_app_country] => US [patent_app_date] => 2008-08-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 6440 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0316/20080316612.pdf [firstpage_image] =>[orig_patent_app_number] => 12228555 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/228555
Refractive boundary elements, devices, and materials Aug 12, 2008 Issued
Array ( [id] => 4777111 [patent_doc_number] => 20080285109 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-11-20 [patent_title] => 'Micromirror unit with torsion connector having nonconstant width' [patent_app_type] => utility [patent_app_number] => 12/219010 [patent_app_country] => US [patent_app_date] => 2008-07-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 7616 [patent_no_of_claims] => 12 [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/A1/0285/20080285109.pdf [firstpage_image] =>[orig_patent_app_number] => 12219010 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/219010
Micromirror unit with torsion connector having nonconstant width Jul 14, 2008 Issued
Array ( [id] => 4630448 [patent_doc_number] => 08009353 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-08-30 [patent_title] => 'Comparison optical system' [patent_app_type] => utility [patent_app_number] => 12/169754 [patent_app_country] => US [patent_app_date] => 2008-07-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3639 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/009/08009353.pdf [firstpage_image] =>[orig_patent_app_number] => 12169754 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/169754
Comparison optical system Jul 8, 2008 Issued
Array ( [id] => 4503210 [patent_doc_number] => 07948677 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-05-24 [patent_title] => 'Structure for supporting an optical telescope' [patent_app_type] => utility [patent_app_number] => 12/217353 [patent_app_country] => US [patent_app_date] => 2008-07-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 8495 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 226 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/948/07948677.pdf [firstpage_image] =>[orig_patent_app_number] => 12217353 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/217353
Structure for supporting an optical telescope Jul 1, 2008 Issued
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