
Ko Hung Chan
Examiner (ID: 18286, Phone: (571)272-6816 , Office: P/3631 )
| Most Active Art Unit | 3631 |
| Art Unit(s) | 3637, 3505, 3632, 3631, 2899 |
| Total Applications | 2342 |
| Issued Applications | 1612 |
| Pending Applications | 102 |
| Abandoned Applications | 655 |
Applications
| Application number | Title of the application | Filing Date | Status |
|---|---|---|---|
Array
(
[id] => 3775916
[patent_doc_number] => 05734297
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1998-03-31
[patent_title] => 'Rail-to-rail input stages with constant g.sub.m and constant common-mode output currents'
[patent_app_type] => 1
[patent_app_number] => 8/625458
[patent_app_country] => US
[patent_app_date] => 1996-03-29
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 9
[patent_figures_cnt] => 14
[patent_no_of_words] => 4377
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[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/734/05734297.pdf
[firstpage_image] =>[orig_patent_app_number] => 625458
[rel_patent_id] =>[rel_patent_doc_number] =>) 08/625458 | Rail-to-rail input stages with constant g.sub.m and constant common-mode output currents | Mar 28, 1996 | Issued |
Array
(
[id] => 3747627
[patent_doc_number] => 05786731
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1998-07-28
[patent_title] => 'Class AB complementary transistor output stage having large output swing and large output drive'
[patent_app_type] => 1
[patent_app_number] => 8/623655
[patent_app_country] => US
[patent_app_date] => 1996-03-29
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/786/05786731.pdf
[firstpage_image] =>[orig_patent_app_number] => 623655
[rel_patent_id] =>[rel_patent_doc_number] =>) 08/623655 | Class AB complementary transistor output stage having large output swing and large output drive | Mar 28, 1996 | Issued |
Array
(
[id] => 3911169
[patent_doc_number] => 05898341
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1999-04-27
[patent_title] => 'Differential amplification circuit and method of noise removal'
[patent_app_type] => 1
[patent_app_number] => 8/622056
[patent_app_country] => US
[patent_app_date] => 1996-03-26
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 8
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[pdf_file] => patents/05/898/05898341.pdf
[firstpage_image] =>[orig_patent_app_number] => 622056
[rel_patent_id] =>[rel_patent_doc_number] =>) 08/622056 | Differential amplification circuit and method of noise removal | Mar 25, 1996 | Issued |
Array
(
[id] => 3742948
[patent_doc_number] => 05699017
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1997-12-16
[patent_title] => 'Automatic gain control circuit'
[patent_app_type] => 1
[patent_app_number] => 8/624738
[patent_app_country] => US
[patent_app_date] => 1996-03-26
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
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[pdf_file] => patents/05/699/05699017.pdf
[firstpage_image] =>[orig_patent_app_number] => 624738
[rel_patent_id] =>[rel_patent_doc_number] =>) 08/624738 | Automatic gain control circuit | Mar 25, 1996 | Issued |
Array
(
[id] => 3782890
[patent_doc_number] => 05757235
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1998-05-26
[patent_title] => 'Metal semiconductor field effect transistor of source-ground type'
[patent_app_type] => 1
[patent_app_number] => 8/618896
[patent_app_country] => US
[patent_app_date] => 1996-03-20
[patent_effective_date] => 0000-00-00
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[pdf_file] => patents/05/757/05757235.pdf
[firstpage_image] =>[orig_patent_app_number] => 618896
[rel_patent_id] =>[rel_patent_doc_number] =>) 08/618896 | Metal semiconductor field effect transistor of source-ground type | Mar 19, 1996 | Issued |
Array
(
[id] => 3728657
[patent_doc_number] => 05682120
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1997-10-28
[patent_title] => 'Differential amplifier circuit using lateral-type bipolar transistors with back gates'
[patent_app_type] => 1
[patent_app_number] => 8/618746
[patent_app_country] => US
[patent_app_date] => 1996-03-20
[patent_effective_date] => 0000-00-00
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[pdf_file] => patents/05/682/05682120.pdf
[firstpage_image] =>[orig_patent_app_number] => 618746
[rel_patent_id] =>[rel_patent_doc_number] =>) 08/618746 | Differential amplifier circuit using lateral-type bipolar transistors with back gates | Mar 19, 1996 | Issued |
Array
(
[id] => 3887289
[patent_doc_number] => 05798673
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1998-08-25
[patent_title] => 'Low voltage operational amplifier bias circuit and method'
[patent_app_type] => 1
[patent_app_number] => 8/619446
[patent_app_country] => US
[patent_app_date] => 1996-03-19
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
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[patent_no_of_words] => 9031
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[pdf_file] => patents/05/798/05798673.pdf
[firstpage_image] =>[orig_patent_app_number] => 619446
[rel_patent_id] =>[rel_patent_doc_number] =>) 08/619446 | Low voltage operational amplifier bias circuit and method | Mar 18, 1996 | Issued |
Array
(
[id] => 3801795
[patent_doc_number] => 05781068
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1998-07-14
[patent_title] => 'Transadmittance amplifier for a motor'
[patent_app_type] => 1
[patent_app_number] => 8/618235
[patent_app_country] => US
[patent_app_date] => 1996-03-14
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 9
[patent_figures_cnt] => 13
[patent_no_of_words] => 3381
[patent_no_of_claims] => 12
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/781/05781068.pdf
[firstpage_image] =>[orig_patent_app_number] => 618235
[rel_patent_id] =>[rel_patent_doc_number] =>) 08/618235 | Transadmittance amplifier for a motor | Mar 13, 1996 | Issued |
Array
(
[id] => 3801764
[patent_doc_number] => 05781066
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1998-07-14
[patent_title] => 'Pulse waveform generator'
[patent_app_type] => 1
[patent_app_number] => 8/613477
[patent_app_country] => US
[patent_app_date] => 1996-03-11
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
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[pdf_file] => patents/05/781/05781066.pdf
[firstpage_image] =>[orig_patent_app_number] => 613477
[rel_patent_id] =>[rel_patent_doc_number] =>) 08/613477 | Pulse waveform generator | Mar 10, 1996 | Issued |
Array
(
[id] => 3733809
[patent_doc_number] => 05652545
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1997-07-29
[patent_title] => 'Wide-band amplifier'
[patent_app_type] => 1
[patent_app_number] => 8/609788
[patent_app_country] => US
[patent_app_date] => 1996-03-01
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 10
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[patent_no_of_words] => 6106
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[pdf_file] => patents/05/652/05652545.pdf
[firstpage_image] =>[orig_patent_app_number] => 609788
[rel_patent_id] =>[rel_patent_doc_number] =>) 08/609788 | Wide-band amplifier | Feb 29, 1996 | Issued |
Array
(
[id] => 3734817
[patent_doc_number] => 05703529
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1997-12-30
[patent_title] => 'Amplifier circuit with reduced DC power related transients'
[patent_app_type] => 1
[patent_app_number] => 8/609726
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[patent_app_date] => 1996-03-01
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[pdf_file] => patents/05/703/05703529.pdf
[firstpage_image] =>[orig_patent_app_number] => 609726
[rel_patent_id] =>[rel_patent_doc_number] =>) 08/609726 | Amplifier circuit with reduced DC power related transients | Feb 29, 1996 | Issued |
Array
(
[id] => 3736886
[patent_doc_number] => 05635873
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1997-06-03
[patent_title] => 'Operational amplifier having dummy isolation stage'
[patent_app_type] => 1
[patent_app_number] => 8/608209
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[pdf_file] => patents/05/635/05635873.pdf
[firstpage_image] =>[orig_patent_app_number] => 608209
[rel_patent_id] =>[rel_patent_doc_number] =>) 08/608209 | Operational amplifier having dummy isolation stage | Feb 27, 1996 | Issued |
Array
(
[id] => 3893436
[patent_doc_number] => 05714908
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1998-02-03
[patent_title] => 'Power correction method and circuit'
[patent_app_type] => 1
[patent_app_number] => 8/607245
[patent_app_country] => US
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[patent_effective_date] => 0000-00-00
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[pdf_file] => patents/05/714/05714908.pdf
[firstpage_image] =>[orig_patent_app_number] => 607245
[rel_patent_id] =>[rel_patent_doc_number] =>) 08/607245 | Power correction method and circuit | Feb 25, 1996 | Issued |
Array
(
[id] => 3818255
[patent_doc_number] => 05812023
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1998-09-22
[patent_title] => 'Voltage offset compensation circuit'
[patent_app_type] => 1
[patent_app_number] => 8/604676
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[pdf_file] => patents/05/812/05812023.pdf
[firstpage_image] =>[orig_patent_app_number] => 604676
[rel_patent_id] =>[rel_patent_doc_number] =>) 08/604676 | Voltage offset compensation circuit | Feb 20, 1996 | Issued |
Array
(
[id] => 3823559
[patent_doc_number] => 05789983
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1998-08-04
[patent_title] => 'High-frequency amplifier having variable gain in response to input power level'
[patent_app_type] => 1
[patent_app_number] => 8/604238
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[firstpage_image] =>[orig_patent_app_number] => 604238
[rel_patent_id] =>[rel_patent_doc_number] =>) 08/604238 | High-frequency amplifier having variable gain in response to input power level | Feb 20, 1996 | Issued |
Array
(
[id] => 3848740
[patent_doc_number] => 05708392
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1998-01-13
[patent_title] => 'Method and apparatus for providing limiting transimpedance amplification'
[patent_app_type] => 1
[patent_app_number] => 8/602709
[patent_app_country] => US
[patent_app_date] => 1996-02-16
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[pdf_file] => patents/05/708/05708392.pdf
[firstpage_image] =>[orig_patent_app_number] => 602709
[rel_patent_id] =>[rel_patent_doc_number] =>) 08/602709 | Method and apparatus for providing limiting transimpedance amplification | Feb 15, 1996 | Issued |
| 90/004146 | POWER AMPLIFYING APPARATUS | Feb 14, 1996 | Issued |
Array
(
[id] => 3863587
[patent_doc_number] => 05705950
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1998-01-06
[patent_title] => 'Hybrid solid state/vacuum tube audio amplifier'
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[pdf_file] => patents/05/705/05705950.pdf
[firstpage_image] =>[orig_patent_app_number] => 601758
[rel_patent_id] =>[rel_patent_doc_number] =>) 08/601758 | Hybrid solid state/vacuum tube audio amplifier | Feb 14, 1996 | Issued |
Array
(
[id] => 3868022
[patent_doc_number] => 05796300
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[patent_issue_date] => 1998-08-18
[patent_title] => 'Switched-capacitor amplifier offset voltage compensation circuit'
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[rel_patent_id] =>[rel_patent_doc_number] =>) 08/601629 | Switched-capacitor amplifier offset voltage compensation circuit | Feb 13, 1996 | Issued |
Array
(
[id] => 3708935
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[patent_issue_date] => 1997-10-07
[patent_title] => 'Method and apparatus for an improved linear transmitter'
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[firstpage_image] =>[orig_patent_app_number] => 599656
[rel_patent_id] =>[rel_patent_doc_number] =>) 08/599656 | Method and apparatus for an improved linear transmitter | Feb 11, 1996 | Issued |