Search

Joseph Chang

Examiner (ID: 8296, Phone: (571)272-1759 , Office: P/2842 )

Most Active Art Unit
2817
Art Unit(s)
2817, 2843, 2842, 2849
Total Applications
2170
Issued Applications
1916
Pending Applications
115
Abandoned Applications
170

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19201642 [patent_doc_number] => 20240173541 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-30 [patent_title] => NEXT GENERATION TOTAL ARTIFICIAL HEART [patent_app_type] => utility [patent_app_number] => 18/432598 [patent_app_country] => US [patent_app_date] => 2024-02-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19486 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 267 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18432598 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/432598
Next generation total artificial heart Feb 4, 2024 Issued
Array ( [id] => 19032770 [patent_doc_number] => 20240082585 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-14 [patent_title] => Implantable Medical Device for Stimulating a Human or Animal Heart [patent_app_type] => utility [patent_app_number] => 18/509588 [patent_app_country] => US [patent_app_date] => 2023-11-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6988 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [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] => 18509588 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/509588
Implantable medical device for stimulating a human or animal heart Nov 14, 2023 Issued
Array ( [id] => 18550383 [patent_doc_number] => 20230248383 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-10 [patent_title] => MANIPULATOR FOR GRASPING TISSUE [patent_app_type] => utility [patent_app_number] => 18/138515 [patent_app_country] => US [patent_app_date] => 2023-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8819 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 208 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18138515 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/138515
Manipulator for grasping tissue Apr 23, 2023 Issued
Array ( [id] => 19209693 [patent_doc_number] => 11998732 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-06-04 [patent_title] => Current generation architecture for an implantable medical device [patent_app_type] => utility [patent_app_number] => 18/171594 [patent_app_country] => US [patent_app_date] => 2023-02-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 30 [patent_no_of_words] => 14402 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18171594 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/171594
Current generation architecture for an implantable medical device Feb 19, 2023 Issued
Array ( [id] => 18963080 [patent_doc_number] => 11896820 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-02-13 [patent_title] => Apparatus and method for positioning, implanting and using a stimulation lead [patent_app_type] => utility [patent_app_number] => 17/875744 [patent_app_country] => US [patent_app_date] => 2022-07-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 24 [patent_figures_cnt] => 67 [patent_no_of_words] => 33787 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17875744 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/875744
Apparatus and method for positioning, implanting and using a stimulation lead Jul 27, 2022 Issued
Array ( [id] => 18603562 [patent_doc_number] => 11745004 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-09-05 [patent_title] => Ventricular assist devices and methods [patent_app_type] => utility [patent_app_number] => 17/865940 [patent_app_country] => US [patent_app_date] => 2022-07-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 17 [patent_no_of_words] => 11104 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 185 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17865940 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/865940
Ventricular assist devices and methods Jul 14, 2022 Issued
Array ( [id] => 18418797 [patent_doc_number] => 20230173257 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-08 [patent_title] => INDUCING NEUROGENESIS WITHIN A HUMAN BRAIN [patent_app_type] => utility [patent_app_number] => 17/863345 [patent_app_country] => US [patent_app_date] => 2022-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3414 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17863345 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/863345
INDUCING NEUROGENESIS WITHIN A HUMAN BRAIN Jul 11, 2022 Abandoned
Array ( [id] => 17895592 [patent_doc_number] => 20220305254 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-29 [patent_title] => NERVE CUFF ELECTRODES FABRICATED USING OVER-MOLDED LCP SUBSTRATES [patent_app_type] => utility [patent_app_number] => 17/807349 [patent_app_country] => US [patent_app_date] => 2022-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11889 [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] => 17807349 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/807349
Nerve cuff electrodes fabricated using over-molded LCP substrates Jun 15, 2022 Issued
Array ( [id] => 17928623 [patent_doc_number] => 20220323748 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-13 [patent_title] => NERVE CUFF ELECTRODES FABRICATED USING OVER-MOLDED LCP SUBSTRATES [patent_app_type] => utility [patent_app_number] => 17/807370 [patent_app_country] => US [patent_app_date] => 2022-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11889 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 17807370 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/807370
Nerve cuff electrodes fabricated using over-molded LCP substrates Jun 15, 2022 Issued
Array ( [id] => 17880820 [patent_doc_number] => 20220296297 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-22 [patent_title] => ABLATION SYSTEM WITH AUTOMATED ABLATION ENERGY ELEMENT [patent_app_type] => utility [patent_app_number] => 17/837734 [patent_app_country] => US [patent_app_date] => 2022-06-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 24730 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [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] => 17837734 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/837734
Ablation system with automated ablation energy element Jun 9, 2022 Issued
Array ( [id] => 17759653 [patent_doc_number] => 20220233265 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-28 [patent_title] => SYSTEMS AND METHODS FOR PLANNING MULTIPLE INTERVENTIONAL PROCEDURES [patent_app_type] => utility [patent_app_number] => 17/720151 [patent_app_country] => US [patent_app_date] => 2022-04-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10589 [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] => 17720151 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/720151
Systems and methods for planning multiple interventional procedures Apr 12, 2022 Issued
Array ( [id] => 18619312 [patent_doc_number] => 11752336 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-09-12 [patent_title] => Electrical device for providing pain relief [patent_app_type] => utility [patent_app_number] => 17/720168 [patent_app_country] => US [patent_app_date] => 2022-04-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 12 [patent_no_of_words] => 7863 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 176 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17720168 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/720168
Electrical device for providing pain relief Apr 12, 2022 Issued
Array ( [id] => 17593134 [patent_doc_number] => 20220142707 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-12 [patent_title] => FLEXIBLE MICROWAVE CATHETERS FOR NATURAL OR ARTIFICIAL LUMENS [patent_app_type] => utility [patent_app_number] => 17/581027 [patent_app_country] => US [patent_app_date] => 2022-01-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 31944 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17581027 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/581027
FLEXIBLE MICROWAVE CATHETERS FOR NATURAL OR ARTIFICIAL LUMENS Jan 20, 2022 Abandoned
Array ( [id] => 18635066 [patent_doc_number] => 11759638 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-09-19 [patent_title] => Spinal cord modulation for inducing paresthetic and anesthetic effects, and associated systems and methods [patent_app_type] => utility [patent_app_number] => 17/552005 [patent_app_country] => US [patent_app_date] => 2021-12-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 14 [patent_no_of_words] => 7800 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17552005 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/552005
Spinal cord modulation for inducing paresthetic and anesthetic effects, and associated systems and methods Dec 14, 2021 Issued
Array ( [id] => 18792419 [patent_doc_number] => 11826148 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-11-28 [patent_title] => Sensing zone for spatially relevant electrical information [patent_app_type] => utility [patent_app_number] => 17/543116 [patent_app_country] => US [patent_app_date] => 2021-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 16 [patent_no_of_words] => 13033 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17543116 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/543116
Sensing zone for spatially relevant electrical information Dec 5, 2021 Issued
Array ( [id] => 18642507 [patent_doc_number] => 11766562 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-09-26 [patent_title] => Nerve stimulator for use with a mobile device [patent_app_type] => utility [patent_app_number] => 17/542390 [patent_app_country] => US [patent_app_date] => 2021-12-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 20 [patent_no_of_words] => 29903 [patent_no_of_claims] => 11 [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] => 17542390 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/542390
Nerve stimulator for use with a mobile device Dec 3, 2021 Issued
Array ( [id] => 18412230 [patent_doc_number] => 11666758 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-06-06 [patent_title] => Systems and method for delivering pulsed electric current to living tissue [patent_app_type] => utility [patent_app_number] => 17/538379 [patent_app_country] => US [patent_app_date] => 2021-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 12 [patent_no_of_words] => 18302 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 210 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17538379 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/538379
Systems and method for delivering pulsed electric current to living tissue Nov 29, 2021 Issued
Array ( [id] => 18348424 [patent_doc_number] => 20230136535 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-04 [patent_title] => MULTI-DEVICE OBSTRUCTIVE SLEEP APNEA (OSA) TREATMENT [patent_app_type] => utility [patent_app_number] => 17/453474 [patent_app_country] => US [patent_app_date] => 2021-11-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12907 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17453474 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/453474
Multi-device obstructive sleep apnea (OSA) treatment Nov 2, 2021 Issued
Array ( [id] => 19324510 [patent_doc_number] => 12042162 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-23 [patent_title] => Scanning ureteroscope for maximizing efficiency in laser lithotripsy [patent_app_type] => utility [patent_app_number] => 17/500458 [patent_app_country] => US [patent_app_date] => 2021-10-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 3722 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 59 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17500458 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/500458
Scanning ureteroscope for maximizing efficiency in laser lithotripsy Oct 12, 2021 Issued
Array ( [id] => 18979009 [patent_doc_number] => 11904163 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-02-20 [patent_title] => Apparatus for providing pain relief therapy [patent_app_type] => utility [patent_app_number] => 17/500336 [patent_app_country] => US [patent_app_date] => 2021-10-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 8266 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 47 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17500336 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/500336
Apparatus for providing pain relief therapy Oct 12, 2021 Issued
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