Search

Kai J. Chang

Examiner (ID: 19429, Phone: (571)270-5448 , Office: P/2468 )

Most Active Art Unit
2468
Art Unit(s)
2468
Total Applications
464
Issued Applications
333
Pending Applications
28
Abandoned Applications
109

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 11329030 [patent_doc_number] => 20160359643 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-12-08 [patent_title] => 'METHOD AND APPARATUS FOR COMPLETING A CIRCUIT SWITCHED SERVICE CALL IN AN INTERNET PROTOCOL NETWORK' [patent_app_type] => utility [patent_app_number] => 15/212981 [patent_app_country] => US [patent_app_date] => 2016-07-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5926 [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] => 15212981 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/212981
Method and apparatus for completing a circuit switched service call in an internet protocol network Jul 17, 2016 Issued
Array ( [id] => 11072599 [patent_doc_number] => 20160269563 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-09-15 [patent_title] => 'MULTI-CHANNEL MULTI-ACCESS VOICE OVER IP INTERCOMMUNICATION SYSTEMS AND METHODS' [patent_app_type] => utility [patent_app_number] => 15/164166 [patent_app_country] => US [patent_app_date] => 2016-05-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5407 [patent_no_of_claims] => 15 [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] => 15164166 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/164166
MULTI-CHANNEL MULTI-ACCESS VOICE OVER IP INTERCOMMUNICATION SYSTEMS AND METHODS May 24, 2016 Abandoned
Array ( [id] => 13395913 [patent_doc_number] => 20180249499 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-08-30 [patent_title] => METHOD FOR PERFORMING CCA IN WIRELESS ACCESS SYSTEM SUPPORTING UNLICENSED BAND, AND APPARATUS FOR SUPPORTING SAME [patent_app_type] => utility [patent_app_number] => 15/558968 [patent_app_country] => US [patent_app_date] => 2016-04-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14701 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [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] => 15558968 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/558968
METHOD FOR PERFORMING CCA IN WIRELESS ACCESS SYSTEM SUPPORTING UNLICENSED BAND, AND APPARATUS FOR SUPPORTING SAME Apr 7, 2016 Abandoned
Array ( [id] => 16203390 [patent_doc_number] => 10728590 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-07-28 [patent_title] => Apparatus and method for transmitting and receiving broadcast signal [patent_app_type] => utility [patent_app_number] => 15/557461 [patent_app_country] => US [patent_app_date] => 2016-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 103 [patent_figures_cnt] => 129 [patent_no_of_words] => 81741 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 242 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15557461 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/557461
Apparatus and method for transmitting and receiving broadcast signal Mar 9, 2016 Issued
Array ( [id] => 11593575 [patent_doc_number] => 20170117987 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-04-27 [patent_title] => 'DATA TRANSMISSION SYSTEM, ENCODING APPARATUS AND ENCODING METHOD' [patent_app_type] => utility [patent_app_number] => 15/056060 [patent_app_country] => US [patent_app_date] => 2016-02-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 5692 [patent_no_of_claims] => 17 [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] => 15056060 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/056060
Data transmission system, encoding apparatus and encoding method Feb 28, 2016 Issued
Array ( [id] => 11000802 [patent_doc_number] => 20160197749 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-07-07 [patent_title] => 'WIRELESS COMMUNICATION SYSTEM, METHOD FOR WIRELESS COMMUNICATION, AND TRANSMITTER' [patent_app_type] => utility [patent_app_number] => 14/986752 [patent_app_country] => US [patent_app_date] => 2016-01-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 10459 [patent_no_of_claims] => 11 [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] => 14986752 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/986752
WIRELESS COMMUNICATION SYSTEM, METHOD FOR WIRELESS COMMUNICATION, AND TRANSMITTER Jan 3, 2016 Abandoned
Array ( [id] => 10766134 [patent_doc_number] => 20160112290 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-04-21 [patent_title] => 'METHOD AND APPARATUS FOR CLEARING HANG CALLS' [patent_app_type] => utility [patent_app_number] => 14/978086 [patent_app_country] => US [patent_app_date] => 2015-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 5694 [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] => 14978086 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/978086
Method and apparatus for clearing hang calls Dec 21, 2015 Issued
Array ( [id] => 13259947 [patent_doc_number] => 10142675 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-11-27 [patent_title] => Method and apparatus for minimizing timing artifacts in remultiplexing [patent_app_type] => utility [patent_app_number] => 14/967533 [patent_app_country] => US [patent_app_date] => 2015-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 34 [patent_figures_cnt] => 26 [patent_no_of_words] => 7757 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14967533 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/967533
Method and apparatus for minimizing timing artifacts in remultiplexing Dec 13, 2015 Issued
Array ( [id] => 10827213 [patent_doc_number] => 20160173383 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-06-16 [patent_title] => 'METHOD AND APPARATUS FOR PRIORITY FLOW AND CONGESTION CONTROL IN ETHERNET NETWORK' [patent_app_type] => utility [patent_app_number] => 14/965576 [patent_app_country] => US [patent_app_date] => 2015-12-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 5389 [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] => 14965576 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/965576
Method and apparatus for priority flow and congestion control in ethernet network Dec 9, 2015 Issued
Array ( [id] => 11899371 [patent_doc_number] => 09769321 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2017-09-19 [patent_title] => 'Systems, methods, devices and arrangements for cost-effective routing' [patent_app_type] => utility [patent_app_number] => 14/947015 [patent_app_country] => US [patent_app_date] => 2015-11-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 7562 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14947015 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/947015
Systems, methods, devices and arrangements for cost-effective routing Nov 19, 2015 Issued
Array ( [id] => 10719597 [patent_doc_number] => 20160065745 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-03-03 [patent_title] => 'METHOD AND APPARATUS FOR COMPLETING A CIRCUIT SWITCHED SERVICE CALL IN AN INTERNET PROTOCOL NETWORK' [patent_app_type] => utility [patent_app_number] => 14/935733 [patent_app_country] => US [patent_app_date] => 2015-11-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5603 [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] => 14935733 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/935733
Method and apparatus for completing a circuit switched service call in an internet protocol network Nov 8, 2015 Issued
Array ( [id] => 16481251 [patent_doc_number] => 10856224 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-12-01 [patent_title] => Method and system for enabling discontinuous reception (DRX) over an unlicensed band in cellular networks [patent_app_type] => utility [patent_app_number] => 15/524978 [patent_app_country] => US [patent_app_date] => 2015-11-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 8466 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 322 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15524978 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/524978
Method and system for enabling discontinuous reception (DRX) over an unlicensed band in cellular networks Nov 5, 2015 Issued
Array ( [id] => 17684687 [patent_doc_number] => 11368959 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-06-21 [patent_title] => Base station apparatus, terminal apparatus, and communication method [patent_app_type] => utility [patent_app_number] => 15/524201 [patent_app_country] => US [patent_app_date] => 2015-11-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 15784 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 299 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15524201 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/524201
Base station apparatus, terminal apparatus, and communication method Nov 1, 2015 Issued
Array ( [id] => 12007177 [patent_doc_number] => 20170311332 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-10-26 [patent_title] => 'METHOD AND APPARATUS FOR RECEIVING SIGNALS BASED ON INTERFERENCE MEASUREMENT IN MOBILE COMMUNICATION SYSTEM' [patent_app_type] => utility [patent_app_number] => 15/521577 [patent_app_country] => US [patent_app_date] => 2015-10-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 31 [patent_figures_cnt] => 31 [patent_no_of_words] => 14056 [patent_no_of_claims] => 24 [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] => 15521577 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/521577
METHOD AND APPARATUS FOR RECEIVING SIGNALS BASED ON INTERFERENCE MEASUREMENT IN MOBILE COMMUNICATION SYSTEM Oct 21, 2015 Abandoned
Array ( [id] => 10720056 [patent_doc_number] => 20160066202 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-03-03 [patent_title] => 'METHODS AND APPARATUSES FOR GRAPHICALLY INDICATING STATION EFFICIENCY AND PSEUDO-DYNAMIC ERROR VECTOR MAGNITUDE INFORMATION FOR A NETWORK OF WIRELESS STATIONS' [patent_app_type] => utility [patent_app_number] => 14/918320 [patent_app_country] => US [patent_app_date] => 2015-10-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 35 [patent_figures_cnt] => 35 [patent_no_of_words] => 24749 [patent_no_of_claims] => 26 [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] => 14918320 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/918320
Methods and apparatuses for graphically indicating station efficiency and pseudo-dynamic error vector magnitude information for a network of wireless stations Oct 19, 2015 Issued
Array ( [id] => 15521173 [patent_doc_number] => 10567195 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-02-18 [patent_title] => Network nodes in a ring network [patent_app_type] => utility [patent_app_number] => 15/763772 [patent_app_country] => US [patent_app_date] => 2015-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 4751 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15763772 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/763772
Network nodes in a ring network Sep 29, 2015 Issued
Array ( [id] => 11503780 [patent_doc_number] => 20170077965 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-03-16 [patent_title] => 'POINT-TO-POINT COMMUNICATIONS LINK' [patent_app_type] => utility [patent_app_number] => 14/854415 [patent_app_country] => US [patent_app_date] => 2015-09-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 5020 [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] => 14854415 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/854415
Point-to-point communications link Sep 14, 2015 Issued
Array ( [id] => 12920374 [patent_doc_number] => 20180198634 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-07-12 [patent_title] => SYSTEMS AND METHODS FOR PROCESSING PACKETS IN A COMPUTER NETWORK [patent_app_type] => utility [patent_app_number] => 14/854939 [patent_app_country] => US [patent_app_date] => 2015-09-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10067 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 14854939 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/854939
Systems and methods for processing packets in a computer network Sep 14, 2015 Issued
Array ( [id] => 12298044 [patent_doc_number] => 09936381 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-04-03 [patent_title] => Wireless communication device and non-transitory computer-readable medium [patent_app_type] => utility [patent_app_number] => 14/854686 [patent_app_country] => US [patent_app_date] => 2015-09-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 19 [patent_no_of_words] => 10195 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 302 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14854686 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/854686
Wireless communication device and non-transitory computer-readable medium Sep 14, 2015 Issued
Array ( [id] => 12237444 [patent_doc_number] => 20180070308 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-03-08 [patent_title] => 'METHOD AND DEVICE FOR SETTING AWAKE PERIOD OF DISCOVERY WINDOW IN WIRELESS COMMUNICATION SYSTEM' [patent_app_type] => utility [patent_app_number] => 15/557732 [patent_app_country] => US [patent_app_date] => 2015-08-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 11444 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [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] => 15557732 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/557732
METHOD AND DEVICE FOR SETTING AWAKE PERIOD OF DISCOVERY WINDOW IN WIRELESS COMMUNICATION SYSTEM Aug 13, 2015 Abandoned
Menu