Search

Richard K. Chang

Examiner (ID: 10963, Phone: (571)270-3368 , Office: P/2464 )

Most Active Art Unit
2464
Art Unit(s)
2464, 2616, 2663
Total Applications
302
Issued Applications
252
Pending Applications
10
Abandoned Applications
46

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 495039 [patent_doc_number] => 07215667 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2007-05-08 [patent_title] => 'System and method for communicating IPSec tunnel packets with compressed inner headers' [patent_app_type] => utility [patent_app_number] => 09/998715 [patent_app_country] => US [patent_app_date] => 2001-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 9 [patent_no_of_words] => 6278 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 26 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/215/07215667.pdf [firstpage_image] =>[orig_patent_app_number] => 09998715 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/998715
System and method for communicating IPSec tunnel packets with compressed inner headers Nov 29, 2001 Issued
Array ( [id] => 781066 [patent_doc_number] => 06996106 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-02-07 [patent_title] => 'High-speed interchip interface protocol' [patent_app_type] => utility [patent_app_number] => 09/997609 [patent_app_country] => US [patent_app_date] => 2001-11-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 6207 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/996/06996106.pdf [firstpage_image] =>[orig_patent_app_number] => 09997609 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/997609
High-speed interchip interface protocol Nov 28, 2001 Issued
Array ( [id] => 6793054 [patent_doc_number] => 20030088398 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-05-08 [patent_title] => 'User interface of a keypad entry system for korean text input' [patent_app_type] => new [patent_app_number] => 10/005718 [patent_app_country] => US [patent_app_date] => 2001-11-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3900 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 39 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0088/20030088398.pdf [firstpage_image] =>[orig_patent_app_number] => 10005718 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/005718
User interface of a keypad entry system for korean text input Nov 7, 2001 Abandoned
09/958348 Atm exchange and atm high reliability control method Oct 8, 2001 Abandoned
09/937294 Device for channel-specific dispersion compensation of a wavelength multiplex signal Sep 23, 2001 Abandoned
Array ( [id] => 624996 [patent_doc_number] => 07139237 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-11-21 [patent_title] => 'Method and system for multirate multiuser modulation' [patent_app_type] => utility [patent_app_number] => 09/961516 [patent_app_country] => US [patent_app_date] => 2001-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 17 [patent_no_of_words] => 6853 [patent_no_of_claims] => 43 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 34 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/139/07139237.pdf [firstpage_image] =>[orig_patent_app_number] => 09961516 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/961516
Method and system for multirate multiuser modulation Sep 23, 2001 Issued
Array ( [id] => 6673254 [patent_doc_number] => 20030058857 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-03-27 [patent_title] => 'Multicast IP zones for fast spanning tree convergence in wide-area packet network systems' [patent_app_type] => new [patent_app_number] => 09/961602 [patent_app_country] => US [patent_app_date] => 2001-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4671 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0058/20030058857.pdf [firstpage_image] =>[orig_patent_app_number] => 09961602 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/961602
Multicast IP zones for fast spanning tree convergence in wide-area packet network systems Sep 23, 2001 Issued
Array ( [id] => 6094553 [patent_doc_number] => 20020051468 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-05-02 [patent_title] => 'Time-based grooming and degrooming methods with common time reference for optical networks' [patent_app_type] => new [patent_app_number] => 09/961081 [patent_app_country] => US [patent_app_date] => 2001-09-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 66 [patent_figures_cnt] => 66 [patent_no_of_words] => 50713 [patent_no_of_claims] => 64 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0051/20020051468.pdf [firstpage_image] =>[orig_patent_app_number] => 09961081 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/961081
Time-based grooming and degrooming methods with common time reference for optical networks Sep 20, 2001 Issued
Array ( [id] => 6062181 [patent_doc_number] => 20020031144 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-03-14 [patent_title] => 'Method and apparatus implementing a multimedia digital network' [patent_app_type] => new [patent_app_number] => 09/953472 [patent_app_country] => US [patent_app_date] => 2001-09-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 6987 [patent_no_of_claims] => 32 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0031/20020031144.pdf [firstpage_image] =>[orig_patent_app_number] => 09953472 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/953472
Method and apparatus implementing a multimedia digital network Sep 13, 2001 Issued
Array ( [id] => 6257391 [patent_doc_number] => 20020186686 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-12-12 [patent_title] => 'Non-server type voice packet communication device and method' [patent_app_type] => new [patent_app_number] => 09/935743 [patent_app_country] => US [patent_app_date] => 2001-08-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3401 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0186/20020186686.pdf [firstpage_image] =>[orig_patent_app_number] => 09935743 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/935743
Non-server type voice packet communication device and method Aug 23, 2001 Abandoned
Array ( [id] => 6223227 [patent_doc_number] => 20020003806 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-01-10 [patent_title] => 'Allocating access across shared communications medium to user classes' [patent_app_type] => new [patent_app_number] => 09/935514 [patent_app_country] => US [patent_app_date] => 2001-08-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 31 [patent_figures_cnt] => 31 [patent_no_of_words] => 17560 [patent_no_of_claims] => 51 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 250 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0003/20020003806.pdf [firstpage_image] =>[orig_patent_app_number] => 09935514 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/935514
Allocating access across shared communications medium to user classes Aug 22, 2001 Issued
Array ( [id] => 5813821 [patent_doc_number] => 20020039350 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-04-04 [patent_title] => 'Buffer management for support of quality-of-service guarantees and data flow control in data switching' [patent_app_type] => new [patent_app_number] => 09/935533 [patent_app_country] => US [patent_app_date] => 2001-08-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5786 [patent_no_of_claims] => 37 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0039/20020039350.pdf [firstpage_image] =>[orig_patent_app_number] => 09935533 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/935533
Buffer management for support of quality-of-service guarantees and data flow control in data switching Aug 22, 2001 Issued
Array ( [id] => 786677 [patent_doc_number] => 06990088 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-01-24 [patent_title] => 'Handoff in radio telecommunications networks' [patent_app_type] => utility [patent_app_number] => 09/924516 [patent_app_country] => US [patent_app_date] => 2001-08-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 5106 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/990/06990088.pdf [firstpage_image] =>[orig_patent_app_number] => 09924516 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/924516
Handoff in radio telecommunications networks Aug 8, 2001 Issued
Array ( [id] => 6606067 [patent_doc_number] => 20020064164 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-05-30 [patent_title] => 'Protocol header construction and/or removal for messages in wireless communications' [patent_app_type] => new [patent_app_number] => 09/923528 [patent_app_country] => US [patent_app_date] => 2001-08-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 7461 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 70 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0064/20020064164.pdf [firstpage_image] =>[orig_patent_app_number] => 09923528 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/923528
Protocol header construction and/or removal for messages in wireless communications Aug 5, 2001 Abandoned
Array ( [id] => 6126704 [patent_doc_number] => 20020075833 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-06-20 [patent_title] => 'Periodic cell search' [patent_app_type] => new [patent_app_number] => 09/923263 [patent_app_country] => US [patent_app_date] => 2001-08-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3108 [patent_no_of_claims] => 38 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0075/20020075833.pdf [firstpage_image] =>[orig_patent_app_number] => 09923263 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/923263
Periodic cell search Aug 2, 2001 Issued
Array ( [id] => 6240097 [patent_doc_number] => 20020044561 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-04-18 [patent_title] => 'Cross-point switch for a fibre channel arbitrated loop' [patent_app_type] => new [patent_app_number] => 09/915612 [patent_app_country] => US [patent_app_date] => 2001-07-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 9422 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0044/20020044561.pdf [firstpage_image] =>[orig_patent_app_number] => 09915612 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/915612
Cross-point switch for a fiber channel arbitrated loop Jul 25, 2001 Issued
Array ( [id] => 433731 [patent_doc_number] => 07266079 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-09-04 [patent_title] => 'Dynamic network load balancing over heterogeneous link speed' [patent_app_type] => utility [patent_app_number] => 09/897660 [patent_app_country] => US [patent_app_date] => 2001-07-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 10 [patent_no_of_words] => 6196 [patent_no_of_claims] => 68 [patent_no_of_ind_claims] => 11 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/266/07266079.pdf [firstpage_image] =>[orig_patent_app_number] => 09897660 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/897660
Dynamic network load balancing over heterogeneous link speed Jul 1, 2001 Issued
Array ( [id] => 7293860 [patent_doc_number] => 20040213254 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-10-28 [patent_title] => 'Method for servicing subscribers by utilizing virtual LAN on ATU-R of ADSL' [patent_app_type] => new [patent_app_number] => 09/893700 [patent_app_country] => US [patent_app_date] => 2001-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2409 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0213/20040213254.pdf [firstpage_image] =>[orig_patent_app_number] => 09893700 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/893700
Method for servicing subscribers by utilizing virtual LAN on ATU-R of ADSL Jun 28, 2001 Abandoned
Array ( [id] => 554983 [patent_doc_number] => 07164678 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-01-16 [patent_title] => 'Control of processing order for received network packets' [patent_app_type] => utility [patent_app_number] => 09/891574 [patent_app_country] => US [patent_app_date] => 2001-06-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 9 [patent_no_of_words] => 6049 [patent_no_of_claims] => 24 [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] => patents/07/164/07164678.pdf [firstpage_image] =>[orig_patent_app_number] => 09891574 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/891574
Control of processing order for received network packets Jun 24, 2001 Issued
Array ( [id] => 555593 [patent_doc_number] => 07167480 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2007-01-23 [patent_title] => 'Multi-service data transport architecture' [patent_app_type] => utility [patent_app_number] => 09/886518 [patent_app_country] => US [patent_app_date] => 2001-06-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 5592 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 382 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/167/07167480.pdf [firstpage_image] =>[orig_patent_app_number] => 09886518 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/886518
Multi-service data transport architecture Jun 20, 2001 Issued
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