Search

Hemang Sanghavi

Examiner (ID: 6936, Phone: (571)272-9955 , Office: P/2874 )

Most Active Art Unit
2874
Art Unit(s)
2874, 2883, 2501
Total Applications
1705
Issued Applications
1391
Pending Applications
119
Abandoned Applications
204

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 6921281 [patent_doc_number] => 20010028766 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2001-10-11 [patent_title] => 'Interferometer based optical devices such as amplifiers' [patent_app_type] => new [patent_app_number] => 09/872794 [patent_app_country] => US [patent_app_date] => 2001-06-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1325 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 27 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0028/20010028766.pdf [firstpage_image] =>[orig_patent_app_number] => 09872794 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/872794
Interferometer based optical devices such as amplifiers May 31, 2001 Abandoned
Array ( [id] => 6440143 [patent_doc_number] => 20020176688 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-11-28 [patent_title] => 'Precision alignment feature using a rod with controlled diameter in a silicon V-groove array' [patent_app_type] => new [patent_app_number] => 09/864659 [patent_app_country] => US [patent_app_date] => 2001-05-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 2671 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 36 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0176/20020176688.pdf [firstpage_image] =>[orig_patent_app_number] => 09864659 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/864659
Precision alignment feature using a rod with controlled diameter in a silicon V-groove array May 23, 2001 Issued
Array ( [id] => 1450929 [patent_doc_number] => 06370305 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2002-04-09 [patent_title] => 'Optical fiber arrays' [patent_app_type] => B2 [patent_app_number] => 09/854651 [patent_app_country] => US [patent_app_date] => 2001-05-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 5 [patent_no_of_words] => 4455 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/370/06370305.pdf [firstpage_image] =>[orig_patent_app_number] => 09854651 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/854651
Optical fiber arrays May 13, 2001 Issued
Array ( [id] => 1321466 [patent_doc_number] => 06614950 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-09-02 [patent_title] => 'Fiber bragg grating-based optical CDMA encoder/decoder' [patent_app_type] => B2 [patent_app_number] => 09/848899 [patent_app_country] => US [patent_app_date] => 2001-05-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 11 [patent_no_of_words] => 8784 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/614/06614950.pdf [firstpage_image] =>[orig_patent_app_number] => 09848899 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/848899
Fiber bragg grating-based optical CDMA encoder/decoder May 3, 2001 Issued
Array ( [id] => 1295449 [patent_doc_number] => 06633702 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-10-14 [patent_title] => 'Device for adjustable chirping in-fiber Bragg gratings and method for producing same' [patent_app_type] => B2 [patent_app_number] => 09/843910 [patent_app_country] => US [patent_app_date] => 2001-04-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 25 [patent_no_of_words] => 7307 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/633/06633702.pdf [firstpage_image] =>[orig_patent_app_number] => 09843910 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/843910
Device for adjustable chirping in-fiber Bragg gratings and method for producing same Apr 29, 2001 Issued
Array ( [id] => 1429824 [patent_doc_number] => 06519401 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-02-11 [patent_title] => 'Light fibers and methods for producing the same' [patent_app_type] => B1 [patent_app_number] => 09/830510 [patent_app_country] => US [patent_app_date] => 2001-04-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 5362 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/519/06519401.pdf [firstpage_image] =>[orig_patent_app_number] => 09830510 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/830510
Light fibers and methods for producing the same Apr 26, 2001 Issued
Array ( [id] => 1151932 [patent_doc_number] => 06778722 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2004-08-17 [patent_title] => 'Method and apparatus for switching optical signals with a photon band gap device' [patent_app_type] => B1 [patent_app_number] => 09/844170 [patent_app_country] => US [patent_app_date] => 2001-04-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 4496 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 365 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/778/06778722.pdf [firstpage_image] =>[orig_patent_app_number] => 09844170 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/844170
Method and apparatus for switching optical signals with a photon band gap device Apr 24, 2001 Issued
Array ( [id] => 6014280 [patent_doc_number] => 20020101903 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-08-01 [patent_title] => 'Purge monitoring system for gas discharge laser' [patent_app_type] => new [patent_app_number] => 09/837150 [patent_app_country] => US [patent_app_date] => 2001-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2439 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 14 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0101/20020101903.pdf [firstpage_image] =>[orig_patent_app_number] => 09837150 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/837150
Purge monitoring system for gas discharge laser Apr 17, 2001 Issued
Array ( [id] => 6898177 [patent_doc_number] => 20010046342 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2001-11-29 [patent_title] => 'Optical circuit board' [patent_app_type] => new [patent_app_number] => 09/836300 [patent_app_country] => US [patent_app_date] => 2001-04-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 6241 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0046/20010046342.pdf [firstpage_image] =>[orig_patent_app_number] => 09836300 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/836300
Optical circuit board Apr 16, 2001 Issued
Array ( [id] => 1265885 [patent_doc_number] => 06652158 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-11-25 [patent_title] => 'Optical networking unit employing optimized optical packaging' [patent_app_type] => B2 [patent_app_number] => 09/836500 [patent_app_country] => US [patent_app_date] => 2001-04-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 30 [patent_no_of_words] => 10446 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/652/06652158.pdf [firstpage_image] =>[orig_patent_app_number] => 09836500 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/836500
Optical networking unit employing optimized optical packaging Apr 16, 2001 Issued
Array ( [id] => 1417243 [patent_doc_number] => 06542661 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-04-01 [patent_title] => 'Method for upgrading bandwidth in an optical system utilizing Raman amplification' [patent_app_type] => B2 [patent_app_number] => 09/827420 [patent_app_country] => US [patent_app_date] => 2001-04-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5499 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/542/06542661.pdf [firstpage_image] =>[orig_patent_app_number] => 09827420 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/827420
Method for upgrading bandwidth in an optical system utilizing Raman amplification Apr 5, 2001 Issued
Array ( [id] => 6492662 [patent_doc_number] => 20020025097 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-02-28 [patent_title] => 'Method and devices for time domain demultiplexing of serial fiber bragg grating sensor arrays' [patent_app_type] => new [patent_app_number] => 09/824582 [patent_app_country] => US [patent_app_date] => 2001-04-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 8785 [patent_no_of_claims] => 61 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0025/20020025097.pdf [firstpage_image] =>[orig_patent_app_number] => 09824582 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/824582
Method and devices for time domain demultiplexing of serial fiber bragg grating sensor arrays Apr 2, 2001 Issued
Array ( [id] => 1432091 [patent_doc_number] => 06504983 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-01-07 [patent_title] => 'Optical waveguide and method for fabricating the same' [patent_app_type] => B1 [patent_app_number] => 09/820800 [patent_app_country] => US [patent_app_date] => 2001-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 13 [patent_no_of_words] => 5136 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 199 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/504/06504983.pdf [firstpage_image] =>[orig_patent_app_number] => 09820800 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/820800
Optical waveguide and method for fabricating the same Mar 29, 2001 Issued
Array ( [id] => 1137167 [patent_doc_number] => 06788837 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2004-09-07 [patent_title] => 'Method and apparatus for interleaving and switching an optical beam in a semiconductor substrate' [patent_app_type] => B2 [patent_app_number] => 09/819520 [patent_app_country] => US [patent_app_date] => 2001-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4320 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 216 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/788/06788837.pdf [firstpage_image] =>[orig_patent_app_number] => 09819520 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/819520
Method and apparatus for interleaving and switching an optical beam in a semiconductor substrate Mar 26, 2001 Issued
Array ( [id] => 1282075 [patent_doc_number] => 06650800 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2003-11-18 [patent_title] => 'Time slot tunable all-optical packet data demultiplexer' [patent_app_type] => B2 [patent_app_number] => 09/811720 [patent_app_country] => US [patent_app_date] => 2001-03-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 4561 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/650/06650800.pdf [firstpage_image] =>[orig_patent_app_number] => 09811720 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/811720
Time slot tunable all-optical packet data demultiplexer Mar 18, 2001 Issued
Array ( [id] => 6889089 [patent_doc_number] => 20010024544 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2001-09-27 [patent_title] => 'Optical transmission system and optical coupler/branching filter' [patent_app_type] => new [patent_app_number] => 09/813220 [patent_app_country] => US [patent_app_date] => 2001-03-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 4862 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0024/20010024544.pdf [firstpage_image] =>[orig_patent_app_number] => 09813220 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/813220
Optical transmission system and optical coupler/branching filter Mar 18, 2001 Issued
Array ( [id] => 5843047 [patent_doc_number] => 20020131675 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-09-19 [patent_title] => 'Time slot tunable all-optical packet data routing switch' [patent_app_type] => new [patent_app_number] => 09/811749 [patent_app_country] => US [patent_app_date] => 2001-03-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 4528 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0131/20020131675.pdf [firstpage_image] =>[orig_patent_app_number] => 09811749 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/811749
Time slot tunable all-optical packet data routing switch Mar 18, 2001 Issued
Array ( [id] => 5843122 [patent_doc_number] => 20020131725 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-09-19 [patent_title] => 'Single-piece cage for pluggable fiber optic transceiver' [patent_app_type] => new [patent_app_number] => 09/810820 [patent_app_country] => US [patent_app_date] => 2001-03-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4619 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0131/20020131725.pdf [firstpage_image] =>[orig_patent_app_number] => 09810820 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/810820
Single-piece cage for pluggable fiber optic transceiver Mar 15, 2001 Issued
Array ( [id] => 6646945 [patent_doc_number] => 20030007710 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-01-09 [patent_title] => 'Optical modulator of clock modulation type' [patent_app_type] => new [patent_app_number] => 09/799120 [patent_app_country] => US [patent_app_date] => 2001-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 23 [patent_no_of_words] => 12506 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0007/20030007710.pdf [firstpage_image] =>[orig_patent_app_number] => 09799120 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/799120
Optical modulator of clock modulation type Mar 5, 2001 Issued
Array ( [id] => 7013695 [patent_doc_number] => 20010051019 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2001-12-13 [patent_title] => 'Compression-tuned grating-based optical add/drop multiplexer' [patent_app_type] => new [patent_app_number] => 09/800918 [patent_app_country] => US [patent_app_date] => 2001-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 8129 [patent_no_of_claims] => 31 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0051/20010051019.pdf [firstpage_image] =>[orig_patent_app_number] => 09800918 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/800918
Compression-tuned grating-based optical add/drop multiplexer Mar 5, 2001 Issued
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