Search

David H. Malzahn

Examiner (ID: 13885, Phone: (571)272-3727 , Office: P/2182 )

Most Active Art Unit
2193
Art Unit(s)
2302, 2301, 2121, 2182, 2193, 2787, 2183, 2786, 2124, 2306, 2307
Total Applications
3174
Issued Applications
2743
Pending Applications
60
Abandoned Applications
371

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19879556 [patent_doc_number] => 20250111813 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-03 [patent_title] => DIGITAL-TO-ANALOG CONVERSION DEVICE, DISPLAY DRIVER, AND DISPLAY DEVICE [patent_app_type] => utility [patent_app_number] => 18/896795 [patent_app_country] => US [patent_app_date] => 2024-09-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7158 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 157 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18896795 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/896795
DIGITAL-TO-ANALOG CONVERSION DEVICE, DISPLAY DRIVER, AND DISPLAY DEVICE Sep 24, 2024 Abandoned
Array ( [id] => 20035965 [patent_doc_number] => 20250174187 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-29 [patent_title] => DISPLAY PANEL [patent_app_type] => utility [patent_app_number] => 18/882188 [patent_app_country] => US [patent_app_date] => 2024-09-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17535 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -26 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18882188 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/882188
Display panel having a plurality of light-emitting elements with separators Sep 10, 2024 Issued
Array ( [id] => 19661673 [patent_doc_number] => 20240428738 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-26 [patent_title] => PIXEL CIRCUIT AND DRIVING METHOD THEREOF, DISPLAY PANEL AND DISPLAY APPARATUS [patent_app_type] => utility [patent_app_number] => 18/824517 [patent_app_country] => US [patent_app_date] => 2024-09-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 22032 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 339 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18824517 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/824517
Pixel circuit having control circuit for controlling a light emitting element and driving method thereof, display panel and display apparatus Sep 3, 2024 Issued
Array ( [id] => 20579792 [patent_doc_number] => 12572040 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-10 [patent_title] => Touch display device having insulating layer with different thickness [patent_app_type] => utility [patent_app_number] => 18/811800 [patent_app_country] => US [patent_app_date] => 2024-08-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 25 [patent_figures_cnt] => 27 [patent_no_of_words] => 5695 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 181 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18811800 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/811800
Touch display device having insulating layer with different thickness Aug 21, 2024 Issued
Array ( [id] => 20494113 [patent_doc_number] => 12535982 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-01-27 [patent_title] => Accessing functions of external devices using reality interfaces [patent_app_type] => utility [patent_app_number] => 18/811647 [patent_app_country] => US [patent_app_date] => 2024-08-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 17 [patent_no_of_words] => 8910 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 219 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18811647 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/811647
Accessing functions of external devices using reality interfaces Aug 20, 2024 Issued
Array ( [id] => 19618798 [patent_doc_number] => 20240404478 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-05 [patent_title] => DISPLAY DEVICE [patent_app_type] => utility [patent_app_number] => 18/804631 [patent_app_country] => US [patent_app_date] => 2024-08-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16586 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 330 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18804631 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/804631
DISPLAY DEVICE Aug 13, 2024 Pending
Array ( [id] => 20071772 [patent_doc_number] => 20250209994 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-26 [patent_title] => DISPLAY PANEL AND DISPLAY DEVICE [patent_app_type] => utility [patent_app_number] => 18/803082 [patent_app_country] => US [patent_app_date] => 2024-08-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1067 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18803082 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/803082
DISPLAY PANEL AND DISPLAY DEVICE Aug 12, 2024 Pending
Array ( [id] => 19865863 [patent_doc_number] => 20250104649 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-27 [patent_title] => DISPLAY DEVICE [patent_app_type] => utility [patent_app_number] => 18/797035 [patent_app_country] => US [patent_app_date] => 2024-08-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19380 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18797035 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/797035
Display device having pixel circuits and gate driver with different transistor characteristics Aug 6, 2024 Issued
Array ( [id] => 20521088 [patent_doc_number] => 20260045197 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-02-12 [patent_title] => Source driver with digital-to-analog converter structure for various parts of gamma curve [patent_app_type] => utility [patent_app_number] => 18/797444 [patent_app_country] => US [patent_app_date] => 2024-08-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18797444 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/797444
Source driver with digital-to-analog converter structure for various parts of gamma curve Aug 6, 2024 Pending
Array ( [id] => 19604338 [patent_doc_number] => 20240395218 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-28 [patent_title] => DISPLAY PANEL AND DISPLAY DEVICE [patent_app_type] => utility [patent_app_number] => 18/795787 [patent_app_country] => US [patent_app_date] => 2024-08-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 22621 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18795787 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/795787
DISPLAY PANEL AND DISPLAY DEVICE Aug 5, 2024 Issued
Array ( [id] => 19576679 [patent_doc_number] => 20240380971 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-14 [patent_title] => IMAGE DISPLAY APPARATUS HAVING A PLURALITY OF DISPLAY MODES [patent_app_type] => utility [patent_app_number] => 18/780682 [patent_app_country] => US [patent_app_date] => 2024-07-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7274 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18780682 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/780682
IMAGE DISPLAY APPARATUS HAVING A PLURALITY OF DISPLAY MODES Jul 22, 2024 Pending
Array ( [id] => 19749099 [patent_doc_number] => 20250037664 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-30 [patent_title] => DISPLAY DEVICE AND DRIVING METHOD [patent_app_type] => utility [patent_app_number] => 18/774096 [patent_app_country] => US [patent_app_date] => 2024-07-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15865 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 18774096 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/774096
DISPLAY DEVICE AND DRIVING METHOD Jul 15, 2024 Pending
Array ( [id] => 20010778 [patent_doc_number] => 20250149000 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-08 [patent_title] => DISPLAY DEVICE [patent_app_type] => utility [patent_app_number] => 18/770664 [patent_app_country] => US [patent_app_date] => 2024-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8920 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [patent_words_short_claim] => 212 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18770664 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/770664
Display device including data driving circuit having comparison circuit for outputting bias current control signal Jul 11, 2024 Issued
Array ( [id] => 19712284 [patent_doc_number] => 20250022426 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-16 [patent_title] => SOURCE DRIVER AND CONTROL METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 18/760643 [patent_app_country] => US [patent_app_date] => 2024-07-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10601 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 37 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18760643 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/760643
Source driver for outputting black grayscale voltage selected depending on voltage of pin and control method thereof Jun 30, 2024 Issued
Array ( [id] => 19865856 [patent_doc_number] => 20250104642 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-27 [patent_title] => DISPLAY DEVICE INCLUDING A SWITCHING CIRCUIT [patent_app_type] => utility [patent_app_number] => 18/750003 [patent_app_country] => US [patent_app_date] => 2024-06-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5025 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 18750003 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/750003
DISPLAY DEVICE INCLUDING A SWITCHING CIRCUIT Jun 20, 2024 Pending
Array ( [id] => 19466165 [patent_doc_number] => 20240319835 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-26 [patent_title] => DETECTION DEVICE [patent_app_type] => utility [patent_app_number] => 18/735470 [patent_app_country] => US [patent_app_date] => 2024-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12490 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18735470 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/735470
Detection device having peripheral region detection electrodes Jun 5, 2024 Issued
Array ( [id] => 20441226 [patent_doc_number] => 12512066 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-30 [patent_title] => Display device having a plurality of auxiliary lines connected to gate lines and data lines [patent_app_type] => utility [patent_app_number] => 18/733722 [patent_app_country] => US [patent_app_date] => 2024-06-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 22 [patent_no_of_words] => 12163 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 303 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18733722 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/733722
Display device having a plurality of auxiliary lines connected to gate lines and data lines Jun 3, 2024 Issued
Array ( [id] => 19618801 [patent_doc_number] => 20240404481 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-05 [patent_title] => CONTROL METHODS FOR DISPLAY DEVICE [patent_app_type] => utility [patent_app_number] => 18/680389 [patent_app_country] => US [patent_app_date] => 2024-05-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4117 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 192 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18680389 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/680389
Display device for controlling a plurality of backlight zones based on display zones May 30, 2024 Issued
Array ( [id] => 19619508 [patent_doc_number] => 20240405188 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-05 [patent_title] => METHOD OF ADJUSTING TEMPERATURE OF ELECTRONIC APPARATUS AND ELECTRONIC APPARATUS [patent_app_type] => utility [patent_app_number] => 18/672388 [patent_app_country] => US [patent_app_date] => 2024-05-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9218 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18672388 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/672388
METHOD OF ADJUSTING TEMPERATURE OF ELECTRONIC APPARATUS AND ELECTRONIC APPARATUS May 22, 2024 Pending
Array ( [id] => 19435654 [patent_doc_number] => 20240304152 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-12 [patent_title] => DISPLAY DEVICE [patent_app_type] => utility [patent_app_number] => 18/666836 [patent_app_country] => US [patent_app_date] => 2024-05-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9788 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 372 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18666836 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/666836
DISPLAY DEVICE May 16, 2024 Pending
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