Yun Qian

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Array ( [id] => 20255171 [patent_doc_number] => 12427505 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-30 [patent_title] => Catalyst for a dehydrogenation reaction, a manufacturing method thereof, and a hydrogen production method using same [patent_app_type] => utility [patent_app_number] => 17/862532 [patent_app_country] => US [patent_app_date] => 2022-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 3495 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17862532 [rel_patent_id] =>[rel_patent_doc_number] =>)

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Array ( [id] => 18351776 [patent_doc_number] => 20230139887 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-04 [patent_title] => NANOCATALYST FOR PARTIAL OXIDATION OF METHANE, METHOD FOR PREPARING THE NANOCATALYST AND METHOD FOR PARTIAL OXIDATION OF METHANE USING THE NANOCATALYST [patent_app_type] => utility [patent_app_number] => 17/851193 [patent_app_country] => US [patent_app_date] => 2022-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7170 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -24 [patent_words_short_claim] => 42 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17851193 [rel_patent_id] =>[rel_patent_doc_number] =>)

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Array ( [id] => 18800347 [patent_doc_number] => 11833493 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-12-05 [patent_title] => Metal catalyst, method of C-N coupling using the same and applications of the same [patent_app_type] => utility [patent_app_number] => 17/833104 [patent_app_country] => US [patent_app_date] => 2022-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 5661 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [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] => 17833104 [rel_patent_id] =>[rel_patent_doc_number] =>)

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