Sultan U. Chowdhury

Array ( [id] => 19702944 [patent_doc_number] => 12196965 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-14 [patent_title] => Display device, augmented reality apparatus and display method [patent_app_type] => utility [patent_app_number] => 17/524643 [patent_app_country] => US [patent_app_date] => 2021-11-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 12806 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 640 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17524643 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 19856719 [patent_doc_number] => 12259551 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-03-25 [patent_title] => Augmented reality wearable electronic device preventing luminance interference with a user [patent_app_type] => utility [patent_app_number] => 17/522493 [patent_app_country] => US [patent_app_date] => 2021-11-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 9045 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 166 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17522493 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 18360446 [patent_doc_number] => 20230142037 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-11 [patent_title] => INTEGRATED DCI COMPLIANT MOVIE PLAYER AND DLP PROJECTION EQUIPMENT [patent_app_type] => utility [patent_app_number] => 17/521801 [patent_app_country] => US [patent_app_date] => 2021-11-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7775 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 66 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17521801 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 18037852 [patent_doc_number] => 20220382068 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-01 [patent_title] => LASER LIGHT SOURCE DEPOLARIZER AND PROJECTION DEVICE HAVING THE SAME [patent_app_type] => utility [patent_app_number] => 17/453857 [patent_app_country] => US [patent_app_date] => 2021-11-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2463 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17453857 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 17613289 [patent_doc_number] => 20220155569 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-19 [patent_title] => PROJECTION LENS AND PROJECTION APPARATUS [patent_app_type] => utility [patent_app_number] => 17/520596 [patent_app_country] => US [patent_app_date] => 2021-11-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6584 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 275 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17520596 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 17429988 [patent_doc_number] => 20220057697 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-24 [patent_title] => PROJECTOR [patent_app_type] => utility [patent_app_number] => 17/518122 [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] => 8539 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 173 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17518122 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 18345121 [patent_doc_number] => 20230133231 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-04 [patent_title] => OPTICAL ELEMENT FOR EXPANDING AND UNIFORMING BEAM OF LIGHT [patent_app_type] => utility [patent_app_number] => 17/514679 [patent_app_country] => US [patent_app_date] => 2021-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13004 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17514679 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 18445642 [patent_doc_number] => 11681207 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-06-20 [patent_title] => System and method of actively reducing an appearance of a seam in a mirror array [patent_app_type] => utility [patent_app_number] => 17/512391 [patent_app_country] => US [patent_app_date] => 2021-10-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 11 [patent_no_of_words] => 15390 [patent_no_of_claims] => 20 [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] => 17512391 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 18462649 [patent_doc_number] => 11686936 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-06-27 [patent_title] => Rotationally adjustable head up display [patent_app_type] => utility [patent_app_number] => 17/452377 [patent_app_country] => US [patent_app_date] => 2021-10-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 2316 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17452377 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 18447871 [patent_doc_number] => 11683457 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-06-20 [patent_title] => Optical device and image display device [patent_app_type] => utility [patent_app_number] => 17/507905 [patent_app_country] => US [patent_app_date] => 2021-10-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 14165 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 191 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17507905 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 18183130 [patent_doc_number] => 20230043860 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-09 [patent_title] => ULTRA-SHORT FOCUS PROJECTING OPTICAL SYSTEM AND PROJECTION DEVICE [patent_app_type] => utility [patent_app_number] => 17/505873 [patent_app_country] => US [patent_app_date] => 2021-10-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4011 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17505873 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 18819112 [patent_doc_number] => 20230393452 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-07 [patent_title] => PROJECTION SYSTEM AND METHOD WITH FOLD MIRROR AND INTEGRATING ROD ADJUSTMENT [patent_app_type] => utility [patent_app_number] => 18/249860 [patent_app_country] => US [patent_app_date] => 2021-10-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8428 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 291 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18249860 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 18079079 [patent_doc_number] => 20220404691 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-22 [patent_title] => ILLUMINATION SYSTEM AND PROJECTION DEVICE [patent_app_type] => utility [patent_app_number] => 17/505629 [patent_app_country] => US [patent_app_date] => 2021-10-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5876 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17505629 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 18315756 [patent_doc_number] => 11629830 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-04-18 [patent_title] => Projection lamp with dual projection function [patent_app_type] => utility [patent_app_number] => 17/505096 [patent_app_country] => US [patent_app_date] => 2021-10-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 2956 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17505096 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 18564098 [patent_doc_number] => 11729360 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-15 [patent_title] => Projection device [patent_app_type] => utility [patent_app_number] => 17/503430 [patent_app_country] => US [patent_app_date] => 2021-10-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 3420 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17503430 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 18637580 [patent_doc_number] => 11762176 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-09-19 [patent_title] => Projection optical system and image projection apparatus [patent_app_type] => utility [patent_app_number] => 17/497044 [patent_app_country] => US [patent_app_date] => 2021-10-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 30 [patent_figures_cnt] => 51 [patent_no_of_words] => 6889 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 330 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17497044 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 17600880 [patent_doc_number] => 20220150455 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-12 [patent_title] => PROJECT SYSTEM AND GAMMA CURVE CORRECTION METHOD [patent_app_type] => utility [patent_app_number] => 17/493870 [patent_app_country] => US [patent_app_date] => 2021-10-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5577 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17493870 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 20623664 [patent_doc_number] => 12591170 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-31 [patent_title] => Optical projection with combined beams [patent_app_type] => utility [patent_app_number] => 18/247249 [patent_app_country] => US [patent_app_date] => 2021-10-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 23 [patent_no_of_words] => 11225 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18247249 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 18307741 [patent_doc_number] => 20230111641 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-13 [patent_title] => MODELING PROJECTION LAMP [patent_app_type] => utility [patent_app_number] => 17/489776 [patent_app_country] => US [patent_app_date] => 2021-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2710 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 261 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17489776 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 18372780 [patent_doc_number] => 11652967 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-05-16 [patent_title] => Projection device and projection image correction method thereof [patent_app_type] => utility [patent_app_number] => 17/488340 [patent_app_country] => US [patent_app_date] => 2021-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 10 [patent_no_of_words] => 7486 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 183 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17488340 [rel_patent_id] =>[rel_patent_doc_number] =>)