
Khanh Dang
Examiner (ID: 15371, Phone: (571)272-3626 , Office: P/2185 )
| Most Active Art Unit | 2837 |
| Art Unit(s) | 2181, 2101, 2108, 2111, 2185, 2837, 2112 |
| Total Applications | 2460 |
| Issued Applications | 1978 |
| Pending Applications | 112 |
| Abandoned Applications | 373 |
Applications
| Application number | Title of the application | Filing Date | Status |
|---|---|---|---|
Array
(
[id] => 20328997
[patent_doc_number] => 12459258
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2025-11-04
[patent_title] => Liquid dispensing head
[patent_app_type] => utility
[patent_app_number] => 18/332504
[patent_app_country] => US
[patent_app_date] => 2023-06-09
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 5
[patent_no_of_words] => 3613
[patent_no_of_claims] => 20
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 123
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18332504
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/332504 | Liquid dispensing head | Jun 8, 2023 | Issued |
Array
(
[id] => 18807777
[patent_doc_number] => 20230382110
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-11-30
[patent_title] => PRINTING APPARATUS
[patent_app_type] => utility
[patent_app_number] => 18/323836
[patent_app_country] => US
[patent_app_date] => 2023-05-25
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 10515
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -17
[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] => 18323836
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/323836 | Printing apparatus | May 24, 2023 | Issued |
Array
(
[id] => 20548116
[patent_doc_number] => 12558892
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2026-02-24
[patent_title] => Liquid ejection head
[patent_app_type] => utility
[patent_app_number] => 18/322992
[patent_app_country] => US
[patent_app_date] => 2023-05-24
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 8
[patent_figures_cnt] => 10
[patent_no_of_words] => 3463
[patent_no_of_claims] => 11
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 247
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18322992
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/322992 | Liquid ejection head | May 23, 2023 | Issued |
Array
(
[id] => 18816736
[patent_doc_number] => 20230391076
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-12-07
[patent_title] => PRINTING APPARATUS, CONTROL METHOD THEREOF, AND RECORDING MEDIUM
[patent_app_type] => utility
[patent_app_number] => 18/322872
[patent_app_country] => US
[patent_app_date] => 2023-05-24
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 10253
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -17
[patent_words_short_claim] => 106
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18322872
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/322872 | Printing apparatus, control method thereof, and recording medium | May 23, 2023 | Issued |
Array
(
[id] => 20255448
[patent_doc_number] => 12427782
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2025-09-30
[patent_title] => Head unit and liquid discharge apparatus
[patent_app_type] => utility
[patent_app_number] => 18/201193
[patent_app_country] => US
[patent_app_date] => 2023-05-24
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 11
[patent_figures_cnt] => 17
[patent_no_of_words] => 2123
[patent_no_of_claims] => 8
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 222
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18201193
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/201193 | Head unit and liquid discharge apparatus | May 23, 2023 | Issued |
Array
(
[id] => 18807780
[patent_doc_number] => 20230382113
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-11-30
[patent_title] => LIQUID EJECTING HEAD, LIQUID EJECTING APPARATUS, AND PIEZOELECTRIC DEVICE
[patent_app_type] => utility
[patent_app_number] => 18/322379
[patent_app_country] => US
[patent_app_date] => 2023-05-23
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 12463
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -13
[patent_words_short_claim] => 240
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18322379
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/322379 | Liquid ejecting head, liquid ejecting apparatus, and piezoelectric device | May 22, 2023 | Issued |
Array
(
[id] => 18807781
[patent_doc_number] => 20230382114
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-11-30
[patent_title] => LIQUID EJECTING HEAD, LIQUID EJECTING APPARATUS, AND PIEZOELECTRIC DEVICE
[patent_app_type] => utility
[patent_app_number] => 18/322423
[patent_app_country] => US
[patent_app_date] => 2023-05-23
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 11637
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -14
[patent_words_short_claim] => 165
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18322423
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/322423 | Liquid ejecting head, liquid ejecting apparatus, and piezoelectric device | May 22, 2023 | Issued |
Array
(
[id] => 19883576
[patent_doc_number] => 12269265
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2025-04-08
[patent_title] => Liquid ejecting head and liquid ejecting apparatus
[patent_app_type] => utility
[patent_app_number] => 18/321206
[patent_app_country] => US
[patent_app_date] => 2023-05-22
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 18
[patent_figures_cnt] => 18
[patent_no_of_words] => 21290
[patent_no_of_claims] => 17
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 216
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18321206
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/321206 | Liquid ejecting head and liquid ejecting apparatus | May 21, 2023 | Issued |
Array
(
[id] => 20240244
[patent_doc_number] => 12420549
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2025-09-23
[patent_title] => Liquid discharge head
[patent_app_type] => utility
[patent_app_number] => 18/320240
[patent_app_country] => US
[patent_app_date] => 2023-05-19
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 14
[patent_figures_cnt] => 15
[patent_no_of_words] => 5572
[patent_no_of_claims] => 10
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 243
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18320240
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/320240 | Liquid discharge head | May 18, 2023 | Issued |
Array
(
[id] => 18807779
[patent_doc_number] => 20230382112
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-11-30
[patent_title] => LIQUID DISCHARGE HEAD
[patent_app_type] => utility
[patent_app_number] => 18/320249
[patent_app_country] => US
[patent_app_date] => 2023-05-19
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 8796
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -6
[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] => 18320249
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/320249 | Liquid discharge head | May 18, 2023 | Issued |
Array
(
[id] => 18770136
[patent_doc_number] => 20230364907
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-11-16
[patent_title] => SINGLE CRYSTAL SILICON SUBSTRATE, LIQUID DISCHARGE HEAD, AND METHOD FOR MANUFACTURING SINGLE CRYSTAL SILICON SUBSTRATE
[patent_app_type] => utility
[patent_app_number] => 18/316252
[patent_app_country] => US
[patent_app_date] => 2023-05-12
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 7972
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -5
[patent_words_short_claim] => 97
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18316252
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/316252 | SINGLE CRYSTAL SILICON SUBSTRATE, LIQUID DISCHARGE HEAD, AND METHOD FOR MANUFACTURING SINGLE CRYSTAL SILICON SUBSTRATE | May 11, 2023 | Pending |
Array
(
[id] => 18785419
[patent_doc_number] => 20230373212
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-11-23
[patent_title] => LIQUID DISCHARGE HEAD AND IMAGE FORMING APPARATUS
[patent_app_type] => utility
[patent_app_number] => 18/195376
[patent_app_country] => US
[patent_app_date] => 2023-05-10
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 5996
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -4
[patent_words_short_claim] => 229
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18195376
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/195376 | Liquid discharge head and image forming apparatus | May 9, 2023 | Issued |
Array
(
[id] => 19478382
[patent_doc_number] => 20240326424
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-10-03
[patent_title] => LIQUID DROPLET EJECTION HEAD
[patent_app_type] => utility
[patent_app_number] => 18/314867
[patent_app_country] => US
[patent_app_date] => 2023-05-10
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 4751
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -8
[patent_words_short_claim] => 79
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18314867
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/314867 | Liquid droplet ejection head | May 9, 2023 | Issued |
Array
(
[id] => 19373424
[patent_doc_number] => 12064969
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2024-08-20
[patent_title] => Liquid ejection head and liquid ejection apparatus
[patent_app_type] => utility
[patent_app_number] => 18/142431
[patent_app_country] => US
[patent_app_date] => 2023-05-02
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
[patent_figures_cnt] => 6
[patent_no_of_words] => 7389
[patent_no_of_claims] => 8
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 259
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18142431
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/142431 | Liquid ejection head and liquid ejection apparatus | May 1, 2023 | Issued |
Array
(
[id] => 18738732
[patent_doc_number] => 20230347650
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-11-02
[patent_title] => LIQUID EJECTING APPARATUS
[patent_app_type] => utility
[patent_app_number] => 18/309901
[patent_app_country] => US
[patent_app_date] => 2023-05-01
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 18517
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -12
[patent_words_short_claim] => 43
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18309901
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/309901 | Liquid ejecting apparatus | Apr 30, 2023 | Issued |
Array
(
[id] => 18745714
[patent_doc_number] => 20230354711
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-11-02
[patent_title] => Manufacturing Method Of Piezoelectric Element, Piezoelectric Element, And Liquid Droplet Dispensing Head
[patent_app_type] => utility
[patent_app_number] => 18/309864
[patent_app_country] => US
[patent_app_date] => 2023-05-01
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 8140
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -7
[patent_words_short_claim] => 69
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18309864
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/309864 | Manufacturing Method Of Piezoelectric Element, Piezoelectric Element, And Liquid Droplet Dispensing Head | Apr 30, 2023 | Pending |
Array
(
[id] => 18738729
[patent_doc_number] => 20230347647
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-11-02
[patent_title] => Piezoelectric Actuator And Manufacturing Method Thereof, Liquid Droplet Discharge Head, And Ultrasonic Device
[patent_app_type] => utility
[patent_app_number] => 18/308097
[patent_app_country] => US
[patent_app_date] => 2023-04-27
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 9047
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -7
[patent_words_short_claim] => 126
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18308097
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/308097 | Piezoelectric actuator and manufacturing method thereof, liquid droplet discharge head, and ultrasonic device | Apr 26, 2023 | Issued |
Array
(
[id] => 18816758
[patent_doc_number] => 20230391098
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-12-07
[patent_title] => LIQUID-CONSUMING APPARATUS
[patent_app_type] => utility
[patent_app_number] => 18/303743
[patent_app_country] => US
[patent_app_date] => 2023-04-20
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 12326
[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] => 18303743
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/303743 | Liquid-consuming apparatus | Apr 19, 2023 | Issued |
Array
(
[id] => 20213014
[patent_doc_number] => 12409651
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2025-09-09
[patent_title] => Liquid ejection module
[patent_app_type] => utility
[patent_app_number] => 18/134701
[patent_app_country] => US
[patent_app_date] => 2023-04-14
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
[patent_figures_cnt] => 11
[patent_no_of_words] => 0
[patent_no_of_claims] => 18
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 216
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18134701
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/134701 | Liquid ejection module | Apr 13, 2023 | Issued |
Array
(
[id] => 18785418
[patent_doc_number] => 20230373211
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-11-23
[patent_title] => INKJET PRINTING APPARATUS
[patent_app_type] => utility
[patent_app_number] => 18/300446
[patent_app_country] => US
[patent_app_date] => 2023-04-14
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 17646
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -18
[patent_words_short_claim] => 109
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18300446
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/300446 | Inkjet printing apparatus | Apr 13, 2023 | Issued |