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] => 5140707 [patent_doc_number] => 20070002923 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-01-04 [patent_title] => 'Metal reflector and process for producing it' [patent_app_type] => utility [patent_app_number] => 11/455050 [patent_app_country] => US [patent_app_date] => 2006-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 18 [patent_no_of_words] => 6535 [patent_no_of_claims] => 51 [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/A1/0002/20070002923.pdf [firstpage_image] =>[orig_patent_app_number] => 11455050 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/455050
Metal reflector and process for producing it Jun 15, 2006 Abandoned
Array ( [id] => 5055335 [patent_doc_number] => 20070058256 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-03-15 [patent_title] => 'Hybrid lens system' [patent_app_type] => utility [patent_app_number] => 11/454544 [patent_app_country] => US [patent_app_date] => 2006-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 1988 [patent_no_of_claims] => 20 [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/A1/0058/20070058256.pdf [firstpage_image] =>[orig_patent_app_number] => 11454544 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/454544
Hybrid lens system Jun 15, 2006 Issued
Array ( [id] => 5372653 [patent_doc_number] => 20090310213 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-12-17 [patent_title] => 'Microscope' [patent_app_type] => utility [patent_app_number] => 11/922088 [patent_app_country] => US [patent_app_date] => 2006-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5789 [patent_no_of_claims] => 39 [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/A1/0310/20090310213.pdf [firstpage_image] =>[orig_patent_app_number] => 11922088 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/922088
Microscope Jun 12, 2006 Abandoned
Array ( [id] => 4668262 [patent_doc_number] => 20080043322 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-02-21 [patent_title] => 'CLIP-ON NIGHT VISION DEVICE' [patent_app_type] => utility [patent_app_number] => 11/423897 [patent_app_country] => US [patent_app_date] => 2006-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 4282 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 15 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0043/20080043322.pdf [firstpage_image] =>[orig_patent_app_number] => 11423897 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/423897
Clip-on night vision device Jun 12, 2006 Issued
Array ( [id] => 5067586 [patent_doc_number] => 20070188687 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-08-16 [patent_title] => 'PROTECTIVE DEVICE FOR A LIQUID CRYSTAL DISPLAY' [patent_app_type] => utility [patent_app_number] => 11/422683 [patent_app_country] => US [patent_app_date] => 2006-06-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 1591 [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/A1/0188/20070188687.pdf [firstpage_image] =>[orig_patent_app_number] => 11422683 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/422683
PROTECTIVE DEVICE FOR A LIQUID CRYSTAL DISPLAY Jun 6, 2006 Abandoned
Array ( [id] => 5009270 [patent_doc_number] => 20070279748 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-12-06 [patent_title] => 'Multiple Band Reflector with Metal and Dielectric Layers' [patent_app_type] => utility [patent_app_number] => 11/422597 [patent_app_country] => US [patent_app_date] => 2006-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3280 [patent_no_of_claims] => 21 [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/A1/0279/20070279748.pdf [firstpage_image] =>[orig_patent_app_number] => 11422597 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/422597
Multiple band reflector with metal and dielectric layers Jun 5, 2006 Issued
Array ( [id] => 5170065 [patent_doc_number] => 20070070496 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-03-29 [patent_title] => 'Confocal self-interference microscopy from which side lobe has been removed' [patent_app_type] => utility [patent_app_number] => 11/444686 [patent_app_country] => US [patent_app_date] => 2006-06-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 18 [patent_no_of_words] => 8286 [patent_no_of_claims] => 13 [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/A1/0070/20070070496.pdf [firstpage_image] =>[orig_patent_app_number] => 11444686 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/444686
Confocal self-interference microscopy from which side lobe has been removed May 31, 2006 Issued
Array ( [id] => 850155 [patent_doc_number] => 07382533 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2008-06-03 [patent_title] => 'Disc based alt-azimuth telescope mount' [patent_app_type] => utility [patent_app_number] => 11/440306 [patent_app_country] => US [patent_app_date] => 2006-05-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 14 [patent_no_of_words] => 4762 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/382/07382533.pdf [firstpage_image] =>[orig_patent_app_number] => 11440306 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/440306
Disc based alt-azimuth telescope mount May 23, 2006 Issued
Array ( [id] => 206153 [patent_doc_number] => 07630132 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-12-08 [patent_title] => 'Polarization control device' [patent_app_type] => utility [patent_app_number] => 11/438716 [patent_app_country] => US [patent_app_date] => 2006-05-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 41 [patent_no_of_words] => 15100 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/630/07630132.pdf [firstpage_image] =>[orig_patent_app_number] => 11438716 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/438716
Polarization control device May 21, 2006 Issued
Array ( [id] => 5027130 [patent_doc_number] => 20070268576 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-11-22 [patent_title] => 'Waterproof zoom binocular telescope' [patent_app_type] => utility [patent_app_number] => 11/437685 [patent_app_country] => US [patent_app_date] => 2006-05-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2836 [patent_no_of_claims] => 14 [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/A1/0268/20070268576.pdf [firstpage_image] =>[orig_patent_app_number] => 11437685 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/437685
Waterproof zoom binocular telescope May 21, 2006 Abandoned
Array ( [id] => 5886005 [patent_doc_number] => 20060274420 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-12-07 [patent_title] => 'Optical element and method for making the same' [patent_app_type] => utility [patent_app_number] => 11/437938 [patent_app_country] => US [patent_app_date] => 2006-05-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2402 [patent_no_of_claims] => 10 [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/A1/0274/20060274420.pdf [firstpage_image] =>[orig_patent_app_number] => 11437938 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/437938
Optical element and method for making the same May 18, 2006 Abandoned
Array ( [id] => 5623745 [patent_doc_number] => 20060262250 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-11-23 [patent_title] => 'Microstructured optical device for polarization and wavelength filtering' [patent_app_type] => utility [patent_app_number] => 11/436707 [patent_app_country] => US [patent_app_date] => 2006-05-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 35 [patent_figures_cnt] => 35 [patent_no_of_words] => 13275 [patent_no_of_claims] => 15 [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/A1/0262/20060262250.pdf [firstpage_image] =>[orig_patent_app_number] => 11436707 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/436707
Microstructured optical device for polarization and wavelength filtering May 17, 2006 Abandoned
Array ( [id] => 4450339 [patent_doc_number] => 07963660 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-06-21 [patent_title] => 'Antiglare hard-coated film' [patent_app_type] => utility [patent_app_number] => 11/994293 [patent_app_country] => US [patent_app_date] => 2006-05-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 16472 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 200 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/963/07963660.pdf [firstpage_image] =>[orig_patent_app_number] => 11994293 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/994293
Antiglare hard-coated film May 17, 2006 Issued
Array ( [id] => 5414714 [patent_doc_number] => 20090040601 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-02-12 [patent_title] => 'POLARIZATION MICROSCOPE' [patent_app_type] => utility [patent_app_number] => 11/913941 [patent_app_country] => US [patent_app_date] => 2006-05-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 6371 [patent_no_of_claims] => 9 [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/A1/0040/20090040601.pdf [firstpage_image] =>[orig_patent_app_number] => 11913941 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/913941
POLARIZATION MICROSCOPE May 16, 2006 Abandoned
Array ( [id] => 5731314 [patent_doc_number] => 20060256428 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-11-16 [patent_title] => 'LONG WAVE PASS INFRARED FILTER BASED ON POROUS SEMICONDUCTOR MATERIAL AND THE METHOD OF MANUFACTURING THE SAME' [patent_app_type] => utility [patent_app_number] => 11/383553 [patent_app_country] => US [patent_app_date] => 2006-05-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4526 [patent_no_of_claims] => 24 [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/A1/0256/20060256428.pdf [firstpage_image] =>[orig_patent_app_number] => 11383553 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/383553
LONG WAVE PASS INFRARED FILTER BASED ON POROUS SEMICONDUCTOR MATERIAL AND THE METHOD OF MANUFACTURING THE SAME May 15, 2006 Abandoned
Array ( [id] => 5623884 [patent_doc_number] => 20060262389 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-11-23 [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] => 11/434439 [patent_app_country] => US [patent_app_date] => 2006-05-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4737 [patent_no_of_claims] => 20 [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/A1/0262/20060262389.pdf [firstpage_image] =>[orig_patent_app_number] => 11434439 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/434439
Reflective optical element for ultraviolet radiation, projection optical system and projection exposure system therewith, and method for forming the same May 14, 2006 Abandoned
Array ( [id] => 459281 [patent_doc_number] => 07245426 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-07-17 [patent_title] => 'Total internal reflection illumination apparatus and microscope using this total internal reflection illumination apparatus' [patent_app_type] => utility [patent_app_number] => 11/432811 [patent_app_country] => US [patent_app_date] => 2006-05-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 20 [patent_no_of_words] => 12527 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 328 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/245/07245426.pdf [firstpage_image] =>[orig_patent_app_number] => 11432811 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/432811
Total internal reflection illumination apparatus and microscope using this total internal reflection illumination apparatus May 10, 2006 Issued
Array ( [id] => 5074026 [patent_doc_number] => 20070014001 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-01-18 [patent_title] => 'Confocal microscope' [patent_app_type] => utility [patent_app_number] => 11/429998 [patent_app_country] => US [patent_app_date] => 2006-05-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 6745 [patent_no_of_claims] => 6 [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/A1/0014/20070014001.pdf [firstpage_image] =>[orig_patent_app_number] => 11429998 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/429998
Confocal microscope May 8, 2006 Issued
Array ( [id] => 4674541 [patent_doc_number] => 20080212169 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-09-04 [patent_title] => 'Reflector for an Infrared Radiating Element' [patent_app_type] => utility [patent_app_number] => 11/913893 [patent_app_country] => US [patent_app_date] => 2006-05-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1222 [patent_no_of_claims] => 20 [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/A1/0212/20080212169.pdf [firstpage_image] =>[orig_patent_app_number] => 11913893 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/913893
Reflector for an infrared radiating element May 7, 2006 Issued
Array ( [id] => 5240701 [patent_doc_number] => 20070019192 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-01-25 [patent_title] => 'Laser scanning microscope' [patent_app_type] => utility [patent_app_number] => 11/416396 [patent_app_country] => US [patent_app_date] => 2006-05-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2519 [patent_no_of_claims] => 6 [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/A1/0019/20070019192.pdf [firstpage_image] =>[orig_patent_app_number] => 11416396 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/416396
Laser scanning microscope May 2, 2006 Abandoned
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