Search

Chandrika Prasad

Examiner (ID: 5347, Phone: (571)272-2099 , Office: P/2831 )

Most Active Art Unit
2839
Art Unit(s)
2831, 2833, 2839
Total Applications
2897
Issued Applications
2456
Pending Applications
55
Abandoned Applications
397

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 6045863 [patent_doc_number] => 20110206341 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-08-25 [patent_title] => 'YTTERBIUM-DOPED OPTICAL FIBER' [patent_app_type] => utility [patent_app_number] => 13/097563 [patent_app_country] => US [patent_app_date] => 2011-04-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 11290 [patent_no_of_claims] => 10 [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] => publications/A1/0206/20110206341.pdf [firstpage_image] =>[orig_patent_app_number] => 13097563 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/097563
Ytterbium-doped optical fiber Apr 28, 2011 Issued
Array ( [id] => 10009020 [patent_doc_number] => 09052534 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-06-09 [patent_title] => 'Optical analog-to-digital converter, method of constructing the same, optical signal demodulator, and optical modulator-demodulator' [patent_app_type] => utility [patent_app_number] => 13/698018 [patent_app_country] => US [patent_app_date] => 2011-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 30 [patent_no_of_words] => 7332 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 265 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13698018 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/698018
Optical analog-to-digital converter, method of constructing the same, optical signal demodulator, and optical modulator-demodulator Apr 27, 2011 Issued
Array ( [id] => 8975617 [patent_doc_number] => 20130209047 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-08-15 [patent_title] => 'OPTICAL WAVEGUIDE FABRICATION' [patent_app_type] => utility [patent_app_number] => 13/643552 [patent_app_country] => US [patent_app_date] => 2011-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3457 [patent_no_of_claims] => 10 [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] => 13643552 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/643552
Optical waveguide fabrication Apr 25, 2011 Issued
Array ( [id] => 9255927 [patent_doc_number] => 08619355 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-12-31 [patent_title] => 'Device for generating or receiving terahertz radiation' [patent_app_type] => utility [patent_app_number] => 13/066814 [patent_app_country] => US [patent_app_date] => 2011-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 5437 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13066814 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/066814
Device for generating or receiving terahertz radiation Apr 25, 2011 Issued
Array ( [id] => 10033970 [patent_doc_number] => 09075284 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-07-07 [patent_title] => 'Spectral width narrowing method, optical element and light source device' [patent_app_type] => utility [patent_app_number] => 13/643367 [patent_app_country] => US [patent_app_date] => 2011-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 14 [patent_no_of_words] => 9186 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13643367 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/643367
Spectral width narrowing method, optical element and light source device Apr 25, 2011 Issued
Array ( [id] => 7497998 [patent_doc_number] => 20110261438 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-10-27 [patent_title] => 'BROADLY AND FAST TUNABLE OPTICAL PARAMETRIC OSCILLATOR' [patent_app_type] => utility [patent_app_number] => 13/093509 [patent_app_country] => US [patent_app_date] => 2011-04-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2252 [patent_no_of_claims] => 20 [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] => publications/A1/0261/20110261438.pdf [firstpage_image] =>[orig_patent_app_number] => 13093509 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/093509
Broadly and fast tunable optical parametric oscillator Apr 24, 2011 Issued
Array ( [id] => 11188139 [patent_doc_number] => 09419559 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-08-16 [patent_title] => 'Parametric oscillator and method for generating ultra-short pulses' [patent_app_type] => utility [patent_app_number] => 13/642618 [patent_app_country] => US [patent_app_date] => 2011-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3811 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13642618 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/642618
Parametric oscillator and method for generating ultra-short pulses Apr 17, 2011 Issued
Array ( [id] => 9622585 [patent_doc_number] => 08792767 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-07-29 [patent_title] => 'Distribution device' [patent_app_type] => utility [patent_app_number] => 13/087765 [patent_app_country] => US [patent_app_date] => 2011-04-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 2193 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 179 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13087765 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/087765
Distribution device Apr 14, 2011 Issued
Array ( [id] => 8239460 [patent_doc_number] => 20120148197 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-06-14 [patent_title] => 'OPTICAL FIBER CONNECTOR' [patent_app_type] => utility [patent_app_number] => 13/087394 [patent_app_country] => US [patent_app_date] => 2011-04-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 882 [patent_no_of_claims] => 10 [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] => 13087394 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/087394
Optical fiber connector Apr 14, 2011 Issued
Array ( [id] => 10078474 [patent_doc_number] => 09116319 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-08-25 [patent_title] => 'Photonic integrated circuit having a plurality of lenses' [patent_app_type] => utility [patent_app_number] => 13/086252 [patent_app_country] => US [patent_app_date] => 2011-04-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 38 [patent_no_of_words] => 7487 [patent_no_of_claims] => 51 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13086252 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/086252
Photonic integrated circuit having a plurality of lenses Apr 12, 2011 Issued
Array ( [id] => 7560560 [patent_doc_number] => 20110274392 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-11-10 [patent_title] => 'OPTICAL TRANSMISSION APPARATUS AND OPTICAL TRANSMISSION SYSTEM' [patent_app_type] => utility [patent_app_number] => 13/079263 [patent_app_country] => US [patent_app_date] => 2011-04-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 3498 [patent_no_of_claims] => 20 [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] => publications/A1/0274/20110274392.pdf [firstpage_image] =>[orig_patent_app_number] => 13079263 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/079263
Optical transmission apparatus and optical transmission system Apr 3, 2011 Issued
Array ( [id] => 10622888 [patent_doc_number] => 09341828 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-05-17 [patent_title] => 'Multi-core fiber optical coupling elements' [patent_app_type] => utility [patent_app_number] => 13/077765 [patent_app_country] => US [patent_app_date] => 2011-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 17 [patent_no_of_words] => 6178 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13077765 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/077765
Multi-core fiber optical coupling elements Mar 30, 2011 Issued
Array ( [id] => 9088334 [patent_doc_number] => 08559774 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-10-15 [patent_title] => 'Optical device having an elastomeric waveguide switch body and related methods' [patent_app_type] => utility [patent_app_number] => 13/076563 [patent_app_country] => US [patent_app_date] => 2011-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 4326 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13076563 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/076563
Optical device having an elastomeric waveguide switch body and related methods Mar 30, 2011 Issued
Array ( [id] => 8957282 [patent_doc_number] => 08503068 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-08-06 [patent_title] => 'Radiation source apparatus and DUV beam generation method' [patent_app_type] => utility [patent_app_number] => 13/075797 [patent_app_country] => US [patent_app_date] => 2011-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 20 [patent_no_of_words] => 10234 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 199 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13075797 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/075797
Radiation source apparatus and DUV beam generation method Mar 29, 2011 Issued
Array ( [id] => 9484611 [patent_doc_number] => 08730566 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-05-20 [patent_title] => 'Grating based optical parametric oscillator and method of dynamically tuning the oscillator for generating desired optical signals' [patent_app_type] => utility [patent_app_number] => 13/050589 [patent_app_country] => US [patent_app_date] => 2011-03-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 7187 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 342 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13050589 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/050589
Grating based optical parametric oscillator and method of dynamically tuning the oscillator for generating desired optical signals Mar 16, 2011 Issued
Array ( [id] => 7560566 [patent_doc_number] => 20110274398 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-11-10 [patent_title] => 'MULTICORE FIBERS AND ASSOCIATED STRUCTURES AND TECHNIQUES' [patent_app_type] => utility [patent_app_number] => 13/045064 [patent_app_country] => US [patent_app_date] => 2011-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 6642 [patent_no_of_claims] => 17 [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] => publications/A1/0274/20110274398.pdf [firstpage_image] =>[orig_patent_app_number] => 13045064 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/045064
Multicore fibers and associated structures and techniques Mar 9, 2011 Issued
Array ( [id] => 8719841 [patent_doc_number] => 20130071058 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-03-21 [patent_title] => 'Optical Modulator and Method for Manufacturing the Same' [patent_app_type] => utility [patent_app_number] => 13/634364 [patent_app_country] => US [patent_app_date] => 2011-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 5972 [patent_no_of_claims] => 25 [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] => 13634364 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/634364
Optical modulator and method for manufacturing the same Mar 9, 2011 Issued
Array ( [id] => 9377845 [patent_doc_number] => 08682120 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-03-25 [patent_title] => 'Polarization-independent grating optical coupler' [patent_app_type] => utility [patent_app_number] => 13/041364 [patent_app_country] => US [patent_app_date] => 2011-03-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 10 [patent_no_of_words] => 5082 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 140 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13041364 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/041364
Polarization-independent grating optical coupler Mar 4, 2011 Issued
Array ( [id] => 8067067 [patent_doc_number] => 20110243491 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-10-06 [patent_title] => 'MACH-ZEHNDER INTERFEROMETER TYPE OPTICAL MODULATOR' [patent_app_type] => utility [patent_app_number] => 13/038895 [patent_app_country] => US [patent_app_date] => 2011-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 19 [patent_no_of_words] => 12776 [patent_no_of_claims] => 13 [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] => publications/A1/0243/20110243491.pdf [firstpage_image] =>[orig_patent_app_number] => 13038895 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/038895
MACH-ZEHNDER INTERFEROMETER TYPE OPTICAL MODULATOR Mar 1, 2011 Abandoned
Array ( [id] => 8958049 [patent_doc_number] => 08503837 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-08-06 [patent_title] => 'Compact fiber optic positioner with wide frequency bandwidth' [patent_app_type] => utility [patent_app_number] => 13/037763 [patent_app_country] => US [patent_app_date] => 2011-03-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 39 [patent_no_of_words] => 10024 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13037763 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/037763
Compact fiber optic positioner with wide frequency bandwidth Feb 28, 2011 Issued
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