Search

Don P. Le

Examiner (ID: 5300, Phone: (571)272-1806 , Office: P/2844 )

Most Active Art Unit
2819
Art Unit(s)
2844, 2819
Total Applications
2669
Issued Applications
2528
Pending Applications
46
Abandoned Applications
99

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 18844770 [patent_doc_number] => 20230407174 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-21 [patent_title] => ETCHING COMPOSITION, METHOD OF ETCHING METAL-CONTAINING FILM BY USING THE SAME, AND METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE BY USING THE SAME [patent_app_type] => utility [patent_app_number] => 18/194875 [patent_app_country] => US [patent_app_date] => 2023-04-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7229 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 369 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18194875 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/194875
Etching composition, method of etching metal-containing film by using the same, and method of preparing semiconductor device by using the same Apr 2, 2023 Issued
Array ( [id] => 20622748 [patent_doc_number] => 12590247 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-31 [patent_title] => Etching composition, method of etching metal-containing film by using the same, and method of preparing semiconductor device by using the same [patent_app_type] => utility [patent_app_number] => 18/194908 [patent_app_country] => US [patent_app_date] => 2023-04-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 4684 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 379 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18194908 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/194908
Etching composition, method of etching metal-containing film by using the same, and method of preparing semiconductor device by using the same Apr 2, 2023 Issued
Array ( [id] => 20360109 [patent_doc_number] => 12476114 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-18 [patent_title] => Chemical mechanical polishing method and method for fabricating semiconductor device using the same [patent_app_type] => utility [patent_app_number] => 18/190300 [patent_app_country] => US [patent_app_date] => 2023-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 18 [patent_no_of_words] => 2123 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18190300 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/190300
Chemical mechanical polishing method and method for fabricating semiconductor device using the same Mar 26, 2023 Issued
Array ( [id] => 20550075 [patent_doc_number] => 12560863 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-02-24 [patent_title] => Etching method and plasma processing system [patent_app_type] => utility [patent_app_number] => 18/121700 [patent_app_country] => US [patent_app_date] => 2023-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 13 [patent_no_of_words] => 6656 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 207 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18121700 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/121700
Etching method and plasma processing system Mar 14, 2023 Issued
Array ( [id] => 18514586 [patent_doc_number] => 20230230844 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-20 [patent_title] => ETCHING METHOD AND PLASMA PROCESSING SYSTEM [patent_app_type] => utility [patent_app_number] => 18/121029 [patent_app_country] => US [patent_app_date] => 2023-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13257 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18121029 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/121029
Etching method and plasma processing system Mar 13, 2023 Issued
Array ( [id] => 20033436 [patent_doc_number] => 20250171658 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-29 [patent_title] => Stable Chemical Mechanical Planarization Polishing Compositions And Methods For High Rate Silicon Oxide Removal [patent_app_type] => utility [patent_app_number] => 18/842609 [patent_app_country] => US [patent_app_date] => 2023-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1276 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18842609 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/842609
Stable Chemical Mechanical Planarization Polishing Compositions And Methods For High Rate Silicon Oxide Removal Mar 7, 2023 Pending
Array ( [id] => 20025100 [patent_doc_number] => 20250163322 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-22 [patent_title] => ETCHING COMPOSITION AND METHOD FOR PRODUCING WIRING BOARD USING SAME [patent_app_type] => utility [patent_app_number] => 18/840565 [patent_app_country] => US [patent_app_date] => 2023-02-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5734 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18840565 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/840565
ETCHING COMPOSITION AND METHOD FOR PRODUCING WIRING BOARD USING SAME Feb 21, 2023 Pending
Array ( [id] => 20044829 [patent_doc_number] => 20250183051 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-05 [patent_title] => SELECTIVE PRECISION ETCHING OF SEMICONDUCTOR MATERIALS [patent_app_type] => utility [patent_app_number] => 18/839177 [patent_app_country] => US [patent_app_date] => 2023-02-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 25183 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -27 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18839177 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/839177
SELECTIVE PRECISION ETCHING OF SEMICONDUCTOR MATERIALS Feb 16, 2023 Pending
Array ( [id] => 18600145 [patent_doc_number] => 20230274946 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-31 [patent_title] => ETCHING COMPOSITIONS [patent_app_type] => utility [patent_app_number] => 18/109905 [patent_app_country] => US [patent_app_date] => 2023-02-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4868 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [patent_words_short_claim] => 50 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18109905 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/109905
ETCHING COMPOSITIONS Feb 14, 2023 Pending
Array ( [id] => 19567707 [patent_doc_number] => 12142485 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-12 [patent_title] => Semiconductor structure and manufacturing method thereof [patent_app_type] => utility [patent_app_number] => 18/167888 [patent_app_country] => US [patent_app_date] => 2023-02-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 7942 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18167888 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/167888
Semiconductor structure and manufacturing method thereof Feb 12, 2023 Issued
Array ( [id] => 18585922 [patent_doc_number] => 20230268186 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-24 [patent_title] => SYSTEMS AND METHODS FOR PRODUCING EPITAXIAL WAFERS [patent_app_type] => utility [patent_app_number] => 18/168199 [patent_app_country] => US [patent_app_date] => 2023-02-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9511 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18168199 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/168199
Systems and methods for producing epitaxial wafers Feb 12, 2023 Issued
Array ( [id] => 18442151 [patent_doc_number] => 20230189447 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-15 [patent_title] => METHODS FOR PRODUCING AN ETCH RESIST PATTERN ON A METALLIC SURFACE [patent_app_type] => utility [patent_app_number] => 18/164798 [patent_app_country] => US [patent_app_date] => 2023-02-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5958 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18164798 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/164798
Methods for producing an etch resist pattern on a metallic surface Feb 5, 2023 Issued
Array ( [id] => 18469387 [patent_doc_number] => 20230203671 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-29 [patent_title] => SUS SURFACE TREATMENT METHOD [patent_app_type] => utility [patent_app_number] => 18/146033 [patent_app_country] => US [patent_app_date] => 2022-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3619 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18146033 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/146033
SUS surface treatment method Dec 22, 2022 Issued
Array ( [id] => 18325471 [patent_doc_number] => 20230123599 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-20 [patent_title] => Method and Device for Preferential Etching of Dislocation of Silicon Carbide Wafer [patent_app_type] => utility [patent_app_number] => 18/085600 [patent_app_country] => US [patent_app_date] => 2022-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3508 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 221 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18085600 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/085600
Method and device for preferential etching of dislocation of silicon carbide wafer Dec 20, 2022 Issued
Array ( [id] => 19428157 [patent_doc_number] => 12087590 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-09-10 [patent_title] => Self-healing polishing pad [patent_app_type] => utility [patent_app_number] => 18/066934 [patent_app_country] => US [patent_app_date] => 2022-12-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 11 [patent_no_of_words] => 5819 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 54 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18066934 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/066934
Self-healing polishing pad Dec 14, 2022 Issued
Array ( [id] => 20096277 [patent_doc_number] => 20250226213 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-10 [patent_title] => ISOTROPIC THERMAL ATOMIC LAYER ETCH OF ZIRCONIUM AND HAFNIUM OXIDES [patent_app_type] => utility [patent_app_number] => 18/703127 [patent_app_country] => US [patent_app_date] => 2022-12-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12357 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18703127 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/703127
ISOTROPIC THERMAL ATOMIC LAYER ETCH OF ZIRCONIUM AND HAFNIUM OXIDES Dec 14, 2022 Pending
Array ( [id] => 19745865 [patent_doc_number] => 20250034430 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-30 [patent_title] => METHOD FOR PREPARING ORGANIC-INORGANIC NANOCOMPOSITE PARTICLE DISPERSION LIQUID, ORGANIC-INORGANIC NANOCOMPOSITE PARTICLE DISPERSION LIQUID, AND CHEMICAL MECHANICAL POLISHING SOLUTION [patent_app_type] => utility [patent_app_number] => 18/713122 [patent_app_country] => US [patent_app_date] => 2022-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2525 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18713122 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/713122
METHOD FOR PREPARING ORGANIC-INORGANIC NANOCOMPOSITE PARTICLE DISPERSION LIQUID, ORGANIC-INORGANIC NANOCOMPOSITE PARTICLE DISPERSION LIQUID, AND CHEMICAL MECHANICAL POLISHING SOLUTION Nov 29, 2022 Pending
Array ( [id] => 18419255 [patent_doc_number] => 20230173715 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-08 [patent_title] => PRESS ELEMENT AND METHOD FOR MANUFACTURING PRESS ELEMENTS [patent_app_type] => utility [patent_app_number] => 18/060336 [patent_app_country] => US [patent_app_date] => 2022-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11796 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 54 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18060336 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/060336
Press element and method for manufacturing press elements Nov 29, 2022 Issued
Array ( [id] => 19709426 [patent_doc_number] => 20250019568 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-16 [patent_title] => Tungsten Chemical Mechanical Polishing Slurries [patent_app_type] => utility [patent_app_number] => 18/713260 [patent_app_country] => US [patent_app_date] => 2022-11-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11612 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18713260 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/713260
Tungsten Chemical Mechanical Polishing Slurries Nov 28, 2022 Pending
Array ( [id] => 19693395 [patent_doc_number] => 20250011940 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-09 [patent_title] => ROUGHENING SOLUTION FOR ROLLED COPPER FOIL AND METHOD FOR PRODUCING ROUGHENED COPPER FOIL [patent_app_type] => utility [patent_app_number] => 18/709609 [patent_app_country] => US [patent_app_date] => 2022-11-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10876 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 166 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18709609 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/709609
Roughening solution for rolled copper foil and method for producing roughened copper foil Nov 14, 2022 Issued
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