Search

Matthew D. Matzek

Examiner (ID: 6710)

Most Active Art Unit
1786
Art Unit(s)
1771, 1786, 1789, PTAB, 1794
Total Applications
955
Issued Applications
366
Pending Applications
87
Abandoned Applications
511

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 2807380 [patent_doc_number] => 05144614 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-09-01 [patent_title] => 'Optical pickup device' [patent_app_type] => 1 [patent_app_number] => 7/837547 [patent_app_country] => US [patent_app_date] => 1992-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 11 [patent_no_of_words] => 4075 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 261 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/144/05144614.pdf [firstpage_image] =>[orig_patent_app_number] => 837547 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/837547
Optical pickup device Feb 13, 1992 Issued
Array ( [id] => 2815961 [patent_doc_number] => 05148418 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-09-15 [patent_title] => 'Disc recording apparatus' [patent_app_type] => 1 [patent_app_number] => 7/827891 [patent_app_country] => US [patent_app_date] => 1992-01-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2901 [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] => patents/05/148/05148418.pdf [firstpage_image] =>[orig_patent_app_number] => 827891 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/827891
Disc recording apparatus Jan 29, 1992 Issued
Array ( [id] => 2793674 [patent_doc_number] => 05164933 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-11-17 [patent_title] => 'Reading signal processing circuit in optical information reproducing apparatus' [patent_app_type] => 1 [patent_app_number] => 7/802669 [patent_app_country] => US [patent_app_date] => 1991-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 27 [patent_no_of_words] => 3988 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/164/05164933.pdf [firstpage_image] =>[orig_patent_app_number] => 802669 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/802669
Reading signal processing circuit in optical information reproducing apparatus Dec 4, 1991 Issued
Array ( [id] => 2807235 [patent_doc_number] => 05144606 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-09-01 [patent_title] => 'Focusing-error detecting apparatus with a simple photodetector unit for use in an optical recording/reproducing device' [patent_app_type] => 1 [patent_app_number] => 7/762989 [patent_app_country] => US [patent_app_date] => 1991-09-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 11 [patent_no_of_words] => 3903 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 313 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/144/05144606.pdf [firstpage_image] =>[orig_patent_app_number] => 762989 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/762989
Focusing-error detecting apparatus with a simple photodetector unit for use in an optical recording/reproducing device Sep 19, 1991 Issued
Array ( [id] => 2797220 [patent_doc_number] => 05155717 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-10-13 [patent_title] => 'Multiple beam optical scanning device wherein scanning control signals are stabilized against variations in beam intensities' [patent_app_type] => 1 [patent_app_number] => 7/758979 [patent_app_country] => US [patent_app_date] => 1991-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 5928 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 272 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/155/05155717.pdf [firstpage_image] =>[orig_patent_app_number] => 758979 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/758979
Multiple beam optical scanning device wherein scanning control signals are stabilized against variations in beam intensities Sep 8, 1991 Issued
Array ( [id] => 2814538 [patent_doc_number] => 05146444 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-09-08 [patent_title] => 'Servo control loop' [patent_app_type] => 1 [patent_app_number] => 7/703899 [patent_app_country] => US [patent_app_date] => 1991-05-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 1021 [patent_no_of_claims] => 6 [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] => patents/05/146/05146444.pdf [firstpage_image] =>[orig_patent_app_number] => 703899 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/703899
Servo control loop May 21, 1991 Issued
Array ( [id] => 2801273 [patent_doc_number] => 05136567 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-08-04 [patent_title] => 'Photo-detecting device' [patent_app_type] => 1 [patent_app_number] => 7/704159 [patent_app_country] => US [patent_app_date] => 1991-05-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 6 [patent_no_of_words] => 1589 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 220 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/136/05136567.pdf [firstpage_image] =>[orig_patent_app_number] => 704159 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/704159
Photo-detecting device May 21, 1991 Issued
Array ( [id] => 2797194 [patent_doc_number] => 05155716 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-10-13 [patent_title] => 'Servo system for optical recording/reproducing drive' [patent_app_type] => 1 [patent_app_number] => 7/703639 [patent_app_country] => US [patent_app_date] => 1991-05-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4728 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 364 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/155/05155716.pdf [firstpage_image] =>[orig_patent_app_number] => 703639 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/703639
Servo system for optical recording/reproducing drive May 20, 1991 Issued
Array ( [id] => 2817358 [patent_doc_number] => 05157644 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-10-20 [patent_title] => 'Optical card recording/reproducing apparatus' [patent_app_type] => 1 [patent_app_number] => 7/702779 [patent_app_country] => US [patent_app_date] => 1991-05-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 18 [patent_no_of_words] => 2802 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 177 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/157/05157644.pdf [firstpage_image] =>[orig_patent_app_number] => 702779 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/702779
Optical card recording/reproducing apparatus May 16, 1991 Issued
Array ( [id] => 2918805 [patent_doc_number] => 05216647 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-06-01 [patent_title] => 'Target track position retrieval device' [patent_app_type] => 1 [patent_app_number] => 7/629449 [patent_app_country] => US [patent_app_date] => 1990-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 4683 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/216/05216647.pdf [firstpage_image] =>[orig_patent_app_number] => 629449 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/629449
Target track position retrieval device Dec 17, 1990 Issued
Array ( [id] => 2840832 [patent_doc_number] => 05128911 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-07-07 [patent_title] => 'Optical disc reproducing apparatus having an automatic gain control circuit' [patent_app_type] => 1 [patent_app_number] => 7/611799 [patent_app_country] => US [patent_app_date] => 1990-11-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 16 [patent_no_of_words] => 3407 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/128/05128911.pdf [firstpage_image] =>[orig_patent_app_number] => 611799 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/611799
Optical disc reproducing apparatus having an automatic gain control circuit Nov 12, 1990 Issued
Array ( [id] => 2832298 [patent_doc_number] => 05095475 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-03-10 [patent_title] => 'Information recording disk playing apparatus' [patent_app_type] => 1 [patent_app_number] => 7/597709 [patent_app_country] => US [patent_app_date] => 1990-10-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 3212 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 172 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/095/05095475.pdf [firstpage_image] =>[orig_patent_app_number] => 597709 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/597709
Information recording disk playing apparatus Oct 16, 1990 Issued
Array ( [id] => 2764525 [patent_doc_number] => 05043829 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-08-27 [patent_title] => 'Method and an apparatus for controlling a video cassette recorder' [patent_app_type] => 1 [patent_app_number] => 7/556973 [patent_app_country] => US [patent_app_date] => 1990-07-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 7072 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 253 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/043/05043829.pdf [firstpage_image] =>[orig_patent_app_number] => 556973 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/556973
Method and an apparatus for controlling a video cassette recorder Jul 19, 1990 Issued
Array ( [id] => 2854392 [patent_doc_number] => 05138595 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-08-11 [patent_title] => 'Servo control circuit for optical disc apparatus' [patent_app_type] => 1 [patent_app_number] => 7/455159 [patent_app_country] => US [patent_app_date] => 1989-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3708 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 251 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/138/05138595.pdf [firstpage_image] =>[orig_patent_app_number] => 455159 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/455159
Servo control circuit for optical disc apparatus Dec 21, 1989 Issued
Array ( [id] => 2827192 [patent_doc_number] => 05081615 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-01-14 [patent_title] => 'Method of coupling external light into an optical waveguide and a guided wave from an optical waveguide and optical pickup employing an optical waveguide' [patent_app_type] => 1 [patent_app_number] => 7/451677 [patent_app_country] => US [patent_app_date] => 1989-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 21 [patent_no_of_words] => 15210 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/081/05081615.pdf [firstpage_image] =>[orig_patent_app_number] => 451677 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/451677
Method of coupling external light into an optical waveguide and a guided wave from an optical waveguide and optical pickup employing an optical waveguide Dec 17, 1989 Issued
Array ( [id] => 2880130 [patent_doc_number] => 05153861 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-10-06 [patent_title] => 'Recording/reproducing device' [patent_app_type] => 1 [patent_app_number] => 7/450254 [patent_app_country] => US [patent_app_date] => 1989-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 6492 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 413 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/153/05153861.pdf [firstpage_image] =>[orig_patent_app_number] => 450254 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/450254
Recording/reproducing device Dec 12, 1989 Issued
Array ( [id] => 2807254 [patent_doc_number] => 05144607 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-09-01 [patent_title] => 'Objective lens driving device' [patent_app_type] => 1 [patent_app_number] => 7/447082 [patent_app_country] => US [patent_app_date] => 1989-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 16 [patent_no_of_words] => 5501 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 262 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/144/05144607.pdf [firstpage_image] =>[orig_patent_app_number] => 447082 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/447082
Objective lens driving device Dec 6, 1989 Issued
Array ( [id] => 2813714 [patent_doc_number] => 05124962 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-06-23 [patent_title] => 'Reading system for a control track of an optical disk' [patent_app_type] => 1 [patent_app_number] => 7/442716 [patent_app_country] => US [patent_app_date] => 1989-11-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 14 [patent_no_of_words] => 5588 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 368 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/124/05124962.pdf [firstpage_image] =>[orig_patent_app_number] => 442716 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/442716
Reading system for a control track of an optical disk Nov 28, 1989 Issued
Array ( [id] => 2801254 [patent_doc_number] => 05136566 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-08-04 [patent_title] => 'Focus actuator driving apparatus' [patent_app_type] => 1 [patent_app_number] => 7/440206 [patent_app_country] => US [patent_app_date] => 1989-11-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 9 [patent_no_of_words] => 2404 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 191 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/136/05136566.pdf [firstpage_image] =>[orig_patent_app_number] => 440206 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/440206
Focus actuator driving apparatus Nov 21, 1989 Issued
Array ( [id] => 2854429 [patent_doc_number] => 05138597 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-08-11 [patent_title] => 'Apparatus for detecting a read error of an optical recording medium' [patent_app_type] => 1 [patent_app_number] => 7/436549 [patent_app_country] => US [patent_app_date] => 1989-11-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 2044 [patent_no_of_claims] => 2 [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] => patents/05/138/05138597.pdf [firstpage_image] =>[orig_patent_app_number] => 436549 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/436549
Apparatus for detecting a read error of an optical recording medium Nov 13, 1989 Issued
Menu