Search

Nizal S. Chandrakumar

Examiner (ID: 111, Phone: (571)272-6202 , Office: P/1625 )

Most Active Art Unit
1625
Art Unit(s)
1625
Total Applications
2819
Issued Applications
1922
Pending Applications
209
Abandoned Applications
730

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19943785 [patent_doc_number] => 12315923 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-27 [patent_title] => Positive electrode active material, method for manufacturing positive electrode active material, and secondary battery [patent_app_type] => utility [patent_app_number] => 17/729170 [patent_app_country] => US [patent_app_date] => 2022-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 43 [patent_figures_cnt] => 89 [patent_no_of_words] => 29403 [patent_no_of_claims] => 49 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17729170 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/729170
Positive electrode active material, method for manufacturing positive electrode active material, and secondary battery Apr 25, 2022 Issued
Array ( [id] => 19943785 [patent_doc_number] => 12315923 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-27 [patent_title] => Positive electrode active material, method for manufacturing positive electrode active material, and secondary battery [patent_app_type] => utility [patent_app_number] => 17/729170 [patent_app_country] => US [patent_app_date] => 2022-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 43 [patent_figures_cnt] => 89 [patent_no_of_words] => 29403 [patent_no_of_claims] => 49 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17729170 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/729170
Positive electrode active material, method for manufacturing positive electrode active material, and secondary battery Apr 25, 2022 Issued
Array ( [id] => 19943785 [patent_doc_number] => 12315923 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-27 [patent_title] => Positive electrode active material, method for manufacturing positive electrode active material, and secondary battery [patent_app_type] => utility [patent_app_number] => 17/729170 [patent_app_country] => US [patent_app_date] => 2022-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 43 [patent_figures_cnt] => 89 [patent_no_of_words] => 29403 [patent_no_of_claims] => 49 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17729170 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/729170
Positive electrode active material, method for manufacturing positive electrode active material, and secondary battery Apr 25, 2022 Issued
Array ( [id] => 19943785 [patent_doc_number] => 12315923 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-27 [patent_title] => Positive electrode active material, method for manufacturing positive electrode active material, and secondary battery [patent_app_type] => utility [patent_app_number] => 17/729170 [patent_app_country] => US [patent_app_date] => 2022-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 43 [patent_figures_cnt] => 89 [patent_no_of_words] => 29403 [patent_no_of_claims] => 49 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17729170 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/729170
Positive electrode active material, method for manufacturing positive electrode active material, and secondary battery Apr 25, 2022 Issued
Array ( [id] => 20818433 [patent_doc_number] => 12673894 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-07-07 [patent_title] => Graphene oxide fine aggregate in cement composites [patent_app_type] => utility [patent_app_number] => 18/555340 [patent_app_country] => US [patent_app_date] => 2022-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 24 [patent_figures_cnt] => 73 [patent_no_of_words] => 7343 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18555340 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/555340
GRAPHENE OXIDE FINE AGGREGATE IN CEMENT COMPOSITES Apr 17, 2022 Issued
Array ( [id] => 20803810 [patent_doc_number] => 12668707 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-06-30 [patent_title] => Electrostatic dissipative coatings [patent_app_type] => utility [patent_app_number] => 18/853456 [patent_app_country] => US [patent_app_date] => 2022-04-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4202 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18853456 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/853456
Electrostatic dissipative coatings Apr 7, 2022 Issued
Array ( [id] => 20207363 [patent_doc_number] => 20250277083 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-04 [patent_title] => CONDUCTIVE POLYMER MATERIALS AND METHODS OF MAKING THE SAME [patent_app_type] => utility [patent_app_number] => 18/277240 [patent_app_country] => US [patent_app_date] => 2022-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10202 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -25 [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] => 18277240 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/277240
CONDUCTIVE POLYMER MATERIALS AND METHODS OF MAKING THE SAME Mar 30, 2022 Pending
Array ( [id] => 18910412 [patent_doc_number] => 11873382 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-16 [patent_title] => 3D printable polymeric lightning strike protection system for fiber reinforced composites [patent_app_type] => utility [patent_app_number] => 17/708210 [patent_app_country] => US [patent_app_date] => 2022-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2589 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17708210 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/708210
3D printable polymeric lightning strike protection system for fiber reinforced composites Mar 29, 2022 Issued
Array ( [id] => 18509135 [patent_doc_number] => 11706971 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-07-18 [patent_title] => Fullerene derivative blends, methods of making and uses thereof [patent_app_type] => utility [patent_app_number] => 17/708503 [patent_app_country] => US [patent_app_date] => 2022-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 13 [patent_no_of_words] => 5831 [patent_no_of_claims] => 45 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 40 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17708503 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/708503
Fullerene derivative blends, methods of making and uses thereof Mar 29, 2022 Issued
Array ( [id] => 19176441 [patent_doc_number] => 20240162415 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-16 [patent_title] => POSITIVE ELECTRODE FOR NONAQUEOUS-ELECTROLYTE SECONDARY BATTERY AND NONAQUEOUS-ELECTROLYTE SECONDARY BATTERY USING SAME [patent_app_type] => utility [patent_app_number] => 18/284686 [patent_app_country] => US [patent_app_date] => 2022-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8848 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [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] => 18284686 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/284686
Positive electrode for nonaqueous-electrolyte secondary battery and nonaqueous-electrolyte secondary battery using same Mar 29, 2022 Issued
Array ( [id] => 19206497 [patent_doc_number] => 20240178396 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-30 [patent_title] => CONDUCTIVE MATERIAL LIQUID DISPERSION, POSITIVE ELECTRODE SLURRY FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, POSITIVE ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY [patent_app_type] => utility [patent_app_number] => 18/284205 [patent_app_country] => US [patent_app_date] => 2022-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5165 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 30 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18284205 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/284205
Conductive material liquid dispersion, positive electrode slurry for nonaqueous electrolyte secondary battery, positive electrode for nonaqueous electrolyte secondary battery, and nonaqueous electrolyte secondary battery Mar 29, 2022 Issued
Array ( [id] => 19371769 [patent_doc_number] => 12063874 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-08-13 [patent_title] => Electrical, mechanical, computing, and/or other devices formed of extremely low resistance materials [patent_app_type] => utility [patent_app_number] => 17/705847 [patent_app_country] => US [patent_app_date] => 2022-03-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 283 [patent_figures_cnt] => 368 [patent_no_of_words] => 161957 [patent_no_of_claims] => 17 [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] =>[firstpage_image] =>[orig_patent_app_number] => 17705847 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/705847
Electrical, mechanical, computing, and/or other devices formed of extremely low resistance materials Mar 27, 2022 Issued
Array ( [id] => 18354948 [patent_doc_number] => 11643336 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-05-09 [patent_title] => Precursor materials for Li-ion battery cathode synthesis [patent_app_type] => utility [patent_app_number] => 17/688296 [patent_app_country] => US [patent_app_date] => 2022-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 8103 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17688296 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/688296
Precursor materials for Li-ion battery cathode synthesis Mar 6, 2022 Issued
Array ( [id] => 20077630 [patent_doc_number] => 12351680 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-08 [patent_title] => Polycarbonate resin composition [patent_app_type] => utility [patent_app_number] => 18/279102 [patent_app_country] => US [patent_app_date] => 2022-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6389 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 408 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18279102 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/279102
Polycarbonate resin composition Mar 1, 2022 Issued
Array ( [id] => 17661168 [patent_doc_number] => 20220181633 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-09 [patent_title] => BINDER FOR ELECTRICITY STORAGE DEVICES [patent_app_type] => utility [patent_app_number] => 17/677964 [patent_app_country] => US [patent_app_date] => 2022-02-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 24213 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17677964 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/677964
BINDER FOR ELECTRICITY STORAGE DEVICES Feb 21, 2022 Abandoned
Array ( [id] => 17657249 [patent_doc_number] => 20220177714 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-09 [patent_title] => Impregnate with Antistatic Properties [patent_app_type] => utility [patent_app_number] => 17/675451 [patent_app_country] => US [patent_app_date] => 2022-02-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4709 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 170 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17675451 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/675451
Impregnate with antistatic properties Feb 17, 2022 Issued
Array ( [id] => 20671810 [patent_doc_number] => 12612310 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-04-28 [patent_title] => Blended graphene dispersions [patent_app_type] => utility [patent_app_number] => 18/554825 [patent_app_country] => US [patent_app_date] => 2022-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 2215 [patent_no_of_claims] => 19 [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] =>[firstpage_image] =>[orig_patent_app_number] => 18554825 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/554825
Blended graphene dispersions Feb 13, 2022 Issued
Array ( [id] => 19127693 [patent_doc_number] => 20240133046 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-25 [patent_title] => REDUCING AGENT COMPOSITION FOR IRON OXIDE AND/OR IRON HYDROXIDE [patent_app_type] => utility [patent_app_number] => 18/275866 [patent_app_country] => US [patent_app_date] => 2022-02-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3996 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18275866 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/275866
REDUCING AGENT COMPOSITION FOR IRON OXIDE AND/OR IRON HYDROXIDE Feb 9, 2022 Pending
Array ( [id] => 17615254 [patent_doc_number] => 20220157534 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-19 [patent_title] => CONDUCTIVE MATERIAL, CONDUCTIVE FILM, ELECTROCHEMICAL CAPACITOR, CONDUCTIVE MATERIAL PRODUCTION METHOD, AND CONDUCTIVE FILM PRODUCTION METHOD [patent_app_type] => utility [patent_app_number] => 17/589251 [patent_app_country] => US [patent_app_date] => 2022-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9532 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17589251 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/589251
Conductive material, conductive film, electrochemical capacitor, conductive material production method, and conductive film production method Jan 30, 2022 Issued
Array ( [id] => 20213556 [patent_doc_number] => 12410198 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-09 [patent_title] => Derivatives of pyrrolopyrrole cyanines and uses thereof [patent_app_type] => utility [patent_app_number] => 18/259567 [patent_app_country] => US [patent_app_date] => 2021-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 8756 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 316 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18259567 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/259567
Derivatives of pyrrolopyrrole cyanines and uses thereof Dec 20, 2021 Issued
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