Changhyun Yi

Array ( [id] => 19079824 [patent_doc_number] => 11949207 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-04-02 [patent_title] => AOD device [patent_app_type] => utility [patent_app_number] => 18/332715 [patent_app_country] => US [patent_app_date] => 2023-06-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 11636 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18332715 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 18849529 [patent_doc_number] => 20230411933 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-21 [patent_title] => FAST AXIS WAVELENGTH BEAM COMBINING FOR BROAD AREA LASER DIODES [patent_app_type] => utility [patent_app_number] => 18/329448 [patent_app_country] => US [patent_app_date] => 2023-06-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10732 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18329448 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 20036737 [patent_doc_number] => 20250174959 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-29 [patent_title] => SELF-SEEDING A BIDIRECTIONAL MODE-LOCKED LASER [patent_app_type] => utility [patent_app_number] => 18/866832 [patent_app_country] => US [patent_app_date] => 2023-05-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4350 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 67 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18866832 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 18813322 [patent_doc_number] => 20230387659 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-30 [patent_title] => METHOD OF MANUFACTURING SURFACE-EMITTING LASER ELEMENT [patent_app_type] => utility [patent_app_number] => 18/196541 [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] => 6926 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 201 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18196541 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 19575885 [patent_doc_number] => 20240380177 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-14 [patent_title] => STIMULATED BRILLOUIN SCATTERING LASER WITH REDUCED FUNDAMENTAL LINEWIDTH AND FREQUENCY PULLING [patent_app_type] => utility [patent_app_number] => 18/314657 [patent_app_country] => US [patent_app_date] => 2023-05-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3683 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18314657 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 19560521 [patent_doc_number] => 20240372313 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-07 [patent_title] => EXCIMER LASER WITH IMPROVED BEAM UNIFORMITY AND STABILITY [patent_app_type] => utility [patent_app_number] => 18/141859 [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] => 6198 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18141859 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 18743916 [patent_doc_number] => 20230352904 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-02 [patent_title] => LIGHT-EMITTING DEVICE AND MOUNTING MEMBER [patent_app_type] => utility [patent_app_number] => 18/308602 [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] => 14271 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18308602 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 19766241 [patent_doc_number] => 12224548 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-02-11 [patent_title] => Single-photon Raman optical frequency comb source [patent_app_type] => utility [patent_app_number] => 18/716704 [patent_app_country] => US [patent_app_date] => 2023-04-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 4458 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18716704 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 19516646 [patent_doc_number] => 20240348332 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-17 [patent_title] => LASER TRANSMITTER CHARACTERIZATION FOR ACCURATE LASER AGING [patent_app_type] => utility [patent_app_number] => 18/301416 [patent_app_country] => US [patent_app_date] => 2023-04-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10199 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 20 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18301416 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 20791449 [patent_doc_number] => 12665369 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-06-23 [patent_title] => Optical arrangement for pulse compression of a pulsed laser beam, and laser system [patent_app_type] => utility [patent_app_number] => 18/299726 [patent_app_country] => US [patent_app_date] => 2023-04-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 10 [patent_no_of_words] => 4509 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18299726 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 19516312 [patent_doc_number] => 20240347998 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-17 [patent_title] => Fiber Laser With Reflective Pump Source [patent_app_type] => utility [patent_app_number] => 18/134065 [patent_app_country] => US [patent_app_date] => 2023-04-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5395 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -27 [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] => 18134065 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 19405132 [patent_doc_number] => 20240288643 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-29 [patent_title] => THERMAL MANAGEMENT IN AN OPTICAL SUB-ASSEMBLY [patent_app_type] => utility [patent_app_number] => 18/298828 [patent_app_country] => US [patent_app_date] => 2023-04-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5702 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18298828 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 19237958 [patent_doc_number] => 20240195153 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-13 [patent_title] => EMITTER ASSEMBLY WITH VERTICAL CAVITY SURFACE EMITTING LASER (VCSEL) CLUSTERS [patent_app_type] => utility [patent_app_number] => 18/194156 [patent_app_country] => US [patent_app_date] => 2023-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6572 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 64 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18194156 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 20759105 [patent_doc_number] => 12651886 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-06-09 [patent_title] => Light transmitter [patent_app_type] => utility [patent_app_number] => 18/192815 [patent_app_country] => US [patent_app_date] => 2023-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 0 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 529 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18192815 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 18680594 [patent_doc_number] => 20230318256 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-05 [patent_title] => LASER LIGHT SOURCE AND METHOD OF MANUFACTURING THE SAME [patent_app_type] => utility [patent_app_number] => 18/190727 [patent_app_country] => US [patent_app_date] => 2023-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19365 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18190727 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 18661870 [patent_doc_number] => 20230307886 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-28 [patent_title] => WAVELENGTH STABILIZATION OF PULSED LASERS [patent_app_type] => utility [patent_app_number] => 18/126855 [patent_app_country] => US [patent_app_date] => 2023-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4730 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18126855 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 20704397 [patent_doc_number] => 12627116 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-05-12 [patent_title] => Light source device and method of manufacturing same [patent_app_type] => utility [patent_app_number] => 18/189290 [patent_app_country] => US [patent_app_date] => 2023-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 28 [patent_no_of_words] => 9425 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 187 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18189290 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 18789950 [patent_doc_number] => 20230378708 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-23 [patent_title] => HIGH-POWER, MULTI-CHANNEL AMPLIFIER FIBER LASER FOR MEDICAL APPLICATIONS [patent_app_type] => utility [patent_app_number] => 18/185216 [patent_app_country] => US [patent_app_date] => 2023-03-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8353 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18185216 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 19261271 [patent_doc_number] => 12021344 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-06-25 [patent_title] => Low-power source of squeezed light [patent_app_type] => utility [patent_app_number] => 18/121186 [patent_app_country] => US [patent_app_date] => 2023-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 13 [patent_no_of_words] => 11203 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18121186 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 18651075 [patent_doc_number] => 20230296911 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-21 [patent_title] => NONLINEAR POLARIZATION FILTERING METHOD, DEVICE, AND APPLICATION APPARATUS [patent_app_type] => utility [patent_app_number] => 18/182745 [patent_app_country] => US [patent_app_date] => 2023-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5707 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18182745 [rel_patent_id] =>[rel_patent_doc_number] =>)