Search

Joseph Chang

Examiner (ID: 18846, Phone: (571)272-1759 , Office: P/2842 )

Most Active Art Unit
2817
Art Unit(s)
2842, 2817, 2843, 2836, 2849
Total Applications
2209
Issued Applications
1939
Pending Applications
126
Abandoned Applications
172

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 9730780 [patent_doc_number] => 20140266487 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-09-18 [patent_title] => 'Low EMI Wide Frequency Range Oscillator With Automatic Digital Amplitude Control' [patent_app_type] => utility [patent_app_number] => 13/893413 [patent_app_country] => US [patent_app_date] => 2013-05-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4579 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13893413 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/893413
Low EMI wide frequency range oscillator with automatic digital amplitude control May 13, 2013 Issued
Array ( [id] => 9189320 [patent_doc_number] => 20130328635 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-12-12 [patent_title] => 'OSCILLATOR' [patent_app_type] => utility [patent_app_number] => 13/893764 [patent_app_country] => US [patent_app_date] => 2013-05-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4234 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13893764 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/893764
Oscillator May 13, 2013 Issued
Array ( [id] => 9038659 [patent_doc_number] => 20130241297 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-09-19 [patent_title] => 'Inverter System and Method for Operation of a Photovoltaic Installation for Feeding Electrical Power into a Medium-Voltage Power Supply Grid' [patent_app_type] => utility [patent_app_number] => 13/888482 [patent_app_country] => US [patent_app_date] => 2013-05-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4867 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13888482 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/888482
Inverter system and method for operation of a photovoltaic installation for feeding electrical power into a medium-voltage power supply grid May 6, 2013 Issued
Array ( [id] => 10903762 [patent_doc_number] => 20140306775 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-10-16 [patent_title] => 'SYSTEM AND METHOD FOR INCREASING A VOLTAGE RANGE ASSOCIATED WITH A VOLTAGE CONTROLLED OSCILLATOR' [patent_app_type] => utility [patent_app_number] => 13/861323 [patent_app_country] => US [patent_app_date] => 2013-04-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 3436 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13861323 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/861323
System and method for increasing a voltage range associated with a voltage controlled oscillator Apr 10, 2013 Issued
Array ( [id] => 11451232 [patent_doc_number] => 09574866 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-02-21 [patent_title] => 'Position detection device' [patent_app_type] => utility [patent_app_number] => 13/845603 [patent_app_country] => US [patent_app_date] => 2013-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 10355 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13845603 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/845603
Position detection device Mar 17, 2013 Issued
Array ( [id] => 9730772 [patent_doc_number] => 20140266479 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-09-18 [patent_title] => 'HYBRID VOLTAGE CONTROLLED OSCILLATOR' [patent_app_type] => utility [patent_app_number] => 13/836932 [patent_app_country] => US [patent_app_date] => 2013-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 13061 [patent_no_of_claims] => 98 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13836932 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/836932
Hybrid voltage controlled oscillator Mar 14, 2013 Issued
Array ( [id] => 9730773 [patent_doc_number] => 20140266480 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-09-18 [patent_title] => 'Digitally Controlled Injection Locked Oscillator' [patent_app_type] => utility [patent_app_number] => 13/840379 [patent_app_country] => US [patent_app_date] => 2013-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 5174 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13840379 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/840379
Digitally controlled injection locked oscillator Mar 14, 2013 Issued
Array ( [id] => 10074139 [patent_doc_number] => 09112512 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-08-18 [patent_title] => 'Circuit device, oscillation device, and electronic apparatus' [patent_app_type] => utility [patent_app_number] => 13/834702 [patent_app_country] => US [patent_app_date] => 2013-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 21 [patent_no_of_words] => 9931 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13834702 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/834702
Circuit device, oscillation device, and electronic apparatus Mar 14, 2013 Issued
Array ( [id] => 9668614 [patent_doc_number] => 20140232477 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-08-21 [patent_title] => 'SEALED CRYSTAL OSCILLATOR AND SEMICONDUCTOR PACKAGE INCLUDING THE SAME' [patent_app_type] => utility [patent_app_number] => 13/803308 [patent_app_country] => US [patent_app_date] => 2013-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 7272 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13803308 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/803308
Sealed crystal oscillator and semiconductor package including the same Mar 13, 2013 Issued
Array ( [id] => 9601218 [patent_doc_number] => 20140197900 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-07-17 [patent_title] => 'SYSTEMS AND METHODS FOR IMPEDANCE SWITCHING' [patent_app_type] => utility [patent_app_number] => 13/831312 [patent_app_country] => US [patent_app_date] => 2013-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5216 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13831312 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/831312
Systems and methods for impedance switching Mar 13, 2013 Issued
Array ( [id] => 9734283 [patent_doc_number] => 20140269993 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-09-18 [patent_title] => 'METHOD AND APPARATUS FOR GENERATING A PLURALITY OF MODULATED SIGNALS' [patent_app_type] => utility [patent_app_number] => 13/799853 [patent_app_country] => US [patent_app_date] => 2013-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3552 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13799853 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/799853
Method and apparatus for generating a plurality of modulated signals Mar 12, 2013 Issued
Array ( [id] => 10883355 [patent_doc_number] => 08907738 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2014-12-09 [patent_title] => 'Suppressed carrier harmonic amplitude modulator' [patent_app_type] => utility [patent_app_number] => 13/802665 [patent_app_country] => US [patent_app_date] => 2013-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 17 [patent_no_of_words] => 4357 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 56 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13802665 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/802665
Suppressed carrier harmonic amplitude modulator Mar 12, 2013 Issued
Array ( [id] => 10016370 [patent_doc_number] => 09059393 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-06-16 [patent_title] => 'Vibrator element, vibrator, oscillator, and electronic device' [patent_app_type] => utility [patent_app_number] => 13/789893 [patent_app_country] => US [patent_app_date] => 2013-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 18 [patent_no_of_words] => 7186 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13789893 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/789893
Vibrator element, vibrator, oscillator, and electronic device Mar 7, 2013 Issued
Array ( [id] => 9717553 [patent_doc_number] => 20140253251 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-09-11 [patent_title] => 'MULTI-POWER MODE REFERENCE CLOCK WITH CONSTANT DUTY CYCLE' [patent_app_type] => utility [patent_app_number] => 13/787230 [patent_app_country] => US [patent_app_date] => 2013-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 4374 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13787230 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/787230
Multi-power mode reference clock with constant duty cycle Mar 5, 2013 Issued
Array ( [id] => 10526254 [patent_doc_number] => 09252780 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-02-02 [patent_title] => 'TCXO replacement for GPS' [patent_app_type] => utility [patent_app_number] => 13/784761 [patent_app_country] => US [patent_app_date] => 2013-03-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 5084 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13784761 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/784761
TCXO replacement for GPS Mar 3, 2013 Issued
Array ( [id] => 9810318 [patent_doc_number] => 20150022263 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-01-22 [patent_title] => 'DEMODULATION DEVICE, DEMODULATION METHOD AND PROGRAM' [patent_app_type] => utility [patent_app_number] => 14/369040 [patent_app_country] => US [patent_app_date] => 2013-01-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 9723 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14369040 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/369040
Demodulation device, demodulation method and program Jan 24, 2013 Issued
Array ( [id] => 9390194 [patent_doc_number] => 08686804 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-04-01 [patent_title] => 'Orthogonally referenced integrated ensemble for navigation and timing' [patent_app_type] => utility [patent_app_number] => 13/745438 [patent_app_country] => US [patent_app_date] => 2013-01-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 7657 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [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] => 13745438 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/745438
Orthogonally referenced integrated ensemble for navigation and timing Jan 17, 2013 Issued
Array ( [id] => 9649603 [patent_doc_number] => 08803625 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-08-12 [patent_title] => 'Surface acoustic wave resonator, surface acoustic wave oscillator, and surface acoustic wave module unit' [patent_app_type] => utility [patent_app_number] => 13/724469 [patent_app_country] => US [patent_app_date] => 2012-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 43 [patent_no_of_words] => 18767 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 226 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13724469 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/724469
Surface acoustic wave resonator, surface acoustic wave oscillator, and surface acoustic wave module unit Dec 20, 2012 Issued
13/722551 SELF REFRESH OSCILLATOR AND OSCILLATION SIGNAL GENERATION METHOD OF THE SAME Dec 19, 2012 Abandoned
Array ( [id] => 10185211 [patent_doc_number] => 09214896 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-12-15 [patent_title] => 'Frequency generator assembly' [patent_app_type] => utility [patent_app_number] => 14/366166 [patent_app_country] => US [patent_app_date] => 2012-12-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1161 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14366166 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/366166
Frequency generator assembly Dec 9, 2012 Issued
Menu