
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] => 3668237
[patent_doc_number] => 05625323
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1997-04-29
[patent_title] => 'FET gate bias circuit'
[patent_app_type] => 1
[patent_app_number] => 8/544606
[patent_app_country] => US
[patent_app_date] => 1995-10-18
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 10
[patent_figures_cnt] => 10
[patent_no_of_words] => 4059
[patent_no_of_claims] => 5
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 105
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/625/05625323.pdf
[firstpage_image] =>[orig_patent_app_number] => 544606
[rel_patent_id] =>[rel_patent_doc_number] =>) 08/544606 | FET gate bias circuit | Oct 17, 1995 | Issued |
Array
(
[id] => 3661252
[patent_doc_number] => 05623227
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1997-04-22
[patent_title] => 'Amplifier circuit and method of controlling an amplifier for use in a radio frequency communication system'
[patent_app_type] => 1
[patent_app_number] => 8/544049
[patent_app_country] => US
[patent_app_date] => 1995-10-17
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
[patent_figures_cnt] => 7
[patent_no_of_words] => 3804
[patent_no_of_claims] => 20
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 104
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/623/05623227.pdf
[firstpage_image] =>[orig_patent_app_number] => 544049
[rel_patent_id] =>[rel_patent_doc_number] =>) 08/544049 | Amplifier circuit and method of controlling an amplifier for use in a radio frequency communication system | Oct 16, 1995 | Issued |
Array
(
[id] => 3625906
[patent_doc_number] => 05642074
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1997-06-24
[patent_title] => 'Amplifier circuit with reduced turn-on and turn-off transients'
[patent_app_type] => 1
[patent_app_number] => 8/542596
[patent_app_country] => US
[patent_app_date] => 1995-10-13
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
[patent_figures_cnt] => 5
[patent_no_of_words] => 4018
[patent_no_of_claims] => 54
[patent_no_of_ind_claims] => 4
[patent_words_short_claim] => 195
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/642/05642074.pdf
[firstpage_image] =>[orig_patent_app_number] => 542596
[rel_patent_id] =>[rel_patent_doc_number] =>) 08/542596 | Amplifier circuit with reduced turn-on and turn-off transients | Oct 12, 1995 | Issued |
Array
(
[id] => 3634939
[patent_doc_number] => 05686863
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1997-11-11
[patent_title] => 'Tunable tone control circuit and a device and method for tuning the RC constants'
[patent_app_type] => 1
[patent_app_number] => 8/536897
[patent_app_country] => US
[patent_app_date] => 1995-09-29
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 3
[patent_no_of_words] => 2448
[patent_no_of_claims] => 12
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 193
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/686/05686863.pdf
[firstpage_image] =>[orig_patent_app_number] => 536897
[rel_patent_id] =>[rel_patent_doc_number] =>) 08/536897 | Tunable tone control circuit and a device and method for tuning the RC constants | Sep 28, 1995 | Issued |
Array
(
[id] => 3688153
[patent_doc_number] => 05633612
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1997-05-27
[patent_title] => 'Precision current mirror circuit'
[patent_app_type] => 1
[patent_app_number] => 8/536178
[patent_app_country] => US
[patent_app_date] => 1995-09-29
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 4
[patent_no_of_words] => 3019
[patent_no_of_claims] => 15
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 106
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/633/05633612.pdf
[firstpage_image] =>[orig_patent_app_number] => 536178
[rel_patent_id] =>[rel_patent_doc_number] =>) 08/536178 | Precision current mirror circuit | Sep 28, 1995 | Issued |
Array
(
[id] => 3625959
[patent_doc_number] => 05642078
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1997-06-24
[patent_title] => 'Amplifier having frequency compensation by gain degeneration'
[patent_app_type] => 1
[patent_app_number] => 8/535977
[patent_app_country] => US
[patent_app_date] => 1995-09-29
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 8
[patent_figures_cnt] => 11
[patent_no_of_words] => 4090
[patent_no_of_claims] => 20
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 128
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/642/05642078.pdf
[firstpage_image] =>[orig_patent_app_number] => 535977
[rel_patent_id] =>[rel_patent_doc_number] =>) 08/535977 | Amplifier having frequency compensation by gain degeneration | Sep 28, 1995 | Issued |
Array
(
[id] => 3625970
[patent_doc_number] => 05642079
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1997-06-24
[patent_title] => 'Amplifier with pole/zero compensation'
[patent_app_type] => 1
[patent_app_number] => 8/536895
[patent_app_country] => US
[patent_app_date] => 1995-09-29
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 3
[patent_no_of_words] => 2233
[patent_no_of_claims] => 8
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 216
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/642/05642079.pdf
[firstpage_image] =>[orig_patent_app_number] => 536895
[rel_patent_id] =>[rel_patent_doc_number] =>) 08/536895 | Amplifier with pole/zero compensation | Sep 28, 1995 | Issued |
Array
(
[id] => 3626233
[patent_doc_number] => 05614864
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1997-03-25
[patent_title] => 'Single-ended to differential converter with relaxed common-mode input requirements'
[patent_app_type] => 1
[patent_app_number] => 8/536405
[patent_app_country] => US
[patent_app_date] => 1995-09-29
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 6
[patent_no_of_words] => 1579
[patent_no_of_claims] => 8
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 191
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/614/05614864.pdf
[firstpage_image] =>[orig_patent_app_number] => 536405
[rel_patent_id] =>[rel_patent_doc_number] =>) 08/536405 | Single-ended to differential converter with relaxed common-mode input requirements | Sep 28, 1995 | Issued |
Array
(
[id] => 3514985
[patent_doc_number] => 05587689
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1996-12-24
[patent_title] => 'Voltage controlled amplifier with a negative resistance circuit for reducing non-linearity distortion'
[patent_app_type] => 1
[patent_app_number] => 8/536497
[patent_app_country] => US
[patent_app_date] => 1995-09-28
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 4
[patent_no_of_words] => 3111
[patent_no_of_claims] => 8
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 165
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/587/05587689.pdf
[firstpage_image] =>[orig_patent_app_number] => 536497
[rel_patent_id] =>[rel_patent_doc_number] =>) 08/536497 | Voltage controlled amplifier with a negative resistance circuit for reducing non-linearity distortion | Sep 27, 1995 | Issued |
Array
(
[id] => 3608383
[patent_doc_number] => 05578967
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1996-11-26
[patent_title] => 'Circuit compensating for capacitance at inverting input of current feedback amplifier'
[patent_app_type] => 1
[patent_app_number] => 8/535936
[patent_app_country] => US
[patent_app_date] => 1995-09-28
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 4
[patent_no_of_words] => 1910
[patent_no_of_claims] => 8
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 165
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/578/05578967.pdf
[firstpage_image] =>[orig_patent_app_number] => 535936
[rel_patent_id] =>[rel_patent_doc_number] =>) 08/535936 | Circuit compensating for capacitance at inverting input of current feedback amplifier | Sep 27, 1995 | Issued |
Array
(
[id] => 3661331
[patent_doc_number] => 05623232
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1997-04-22
[patent_title] => 'Topography for integrated circuit operational amplifier having low impedance input for current feedback'
[patent_app_type] => 1
[patent_app_number] => 8/534046
[patent_app_country] => US
[patent_app_date] => 1995-09-26
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 3
[patent_no_of_words] => 4437
[patent_no_of_claims] => 6
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 335
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/623/05623232.pdf
[firstpage_image] =>[orig_patent_app_number] => 534046
[rel_patent_id] =>[rel_patent_doc_number] =>) 08/534046 | Topography for integrated circuit operational amplifier having low impedance input for current feedback | Sep 25, 1995 | Issued |
Array
(
[id] => 3663651
[patent_doc_number] => 05627495
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1997-05-06
[patent_title] => 'Topography for integrated circuit operational amplifier'
[patent_app_type] => 1
[patent_app_number] => 8/534039
[patent_app_country] => US
[patent_app_date] => 1995-09-26
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
[patent_figures_cnt] => 11
[patent_no_of_words] => 6774
[patent_no_of_claims] => 14
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 260
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/627/05627495.pdf
[firstpage_image] =>[orig_patent_app_number] => 534039
[rel_patent_id] =>[rel_patent_doc_number] =>) 08/534039 | Topography for integrated circuit operational amplifier | Sep 25, 1995 | Issued |
Array
(
[id] => 3627303
[patent_doc_number] => 05689210
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1997-11-18
[patent_title] => 'Active distributed signal sampler'
[patent_app_type] => 1
[patent_app_number] => 8/531078
[patent_app_country] => US
[patent_app_date] => 1995-09-20
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 1
[patent_figures_cnt] => 4
[patent_no_of_words] => 3170
[patent_no_of_claims] => 6
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 110
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/689/05689210.pdf
[firstpage_image] =>[orig_patent_app_number] => 531078
[rel_patent_id] =>[rel_patent_doc_number] =>) 08/531078 | Active distributed signal sampler | Sep 19, 1995 | Issued |
Array
(
[id] => 3712151
[patent_doc_number] => 05654670
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1997-08-05
[patent_title] => 'Active distributed signal injector'
[patent_app_type] => 1
[patent_app_number] => 8/531976
[patent_app_country] => US
[patent_app_date] => 1995-09-20
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 1
[patent_figures_cnt] => 4
[patent_no_of_words] => 3334
[patent_no_of_claims] => 12
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 113
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/654/05654670.pdf
[firstpage_image] =>[orig_patent_app_number] => 531976
[rel_patent_id] =>[rel_patent_doc_number] =>) 08/531976 | Active distributed signal injector | Sep 19, 1995 | Issued |
Array
(
[id] => 3707851
[patent_doc_number] => 05646575
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1997-07-08
[patent_title] => 'Composite precision, high-frequency rail-to-rail amplifier'
[patent_app_type] => 1
[patent_app_number] => 8/528636
[patent_app_country] => US
[patent_app_date] => 1995-09-14
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 9
[patent_no_of_words] => 2192
[patent_no_of_claims] => 12
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 48
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/646/05646575.pdf
[firstpage_image] =>[orig_patent_app_number] => 528636
[rel_patent_id] =>[rel_patent_doc_number] =>) 08/528636 | Composite precision, high-frequency rail-to-rail amplifier | Sep 13, 1995 | Issued |
Array
(
[id] => 3733840
[patent_doc_number] => 05652547
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1997-07-29
[patent_title] => 'Current comparator automatic output control'
[patent_app_type] => 1
[patent_app_number] => 8/526186
[patent_app_country] => US
[patent_app_date] => 1995-09-11
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 4
[patent_no_of_words] => 3721
[patent_no_of_claims] => 15
[patent_no_of_ind_claims] => 5
[patent_words_short_claim] => 175
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/652/05652547.pdf
[firstpage_image] =>[orig_patent_app_number] => 526186
[rel_patent_id] =>[rel_patent_doc_number] =>) 08/526186 | Current comparator automatic output control | Sep 10, 1995 | Issued |
| 08/525809 | LOW DISTORTION AMPLIFIER CIRCUIT WITH IMPROVED OUTPUT POWER | Sep 7, 1995 | Abandoned |
Array
(
[id] => 3661307
[patent_doc_number] => 05623230
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1997-04-22
[patent_title] => 'Low-offset, buffer amplifier'
[patent_app_type] => 1
[patent_app_number] => 8/524559
[patent_app_country] => US
[patent_app_date] => 1995-09-07
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 1
[patent_figures_cnt] => 2
[patent_no_of_words] => 1656
[patent_no_of_claims] => 5
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 156
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/623/05623230.pdf
[firstpage_image] =>[orig_patent_app_number] => 524559
[rel_patent_id] =>[rel_patent_doc_number] =>) 08/524559 | Low-offset, buffer amplifier | Sep 6, 1995 | Issued |
Array
(
[id] => 3559021
[patent_doc_number] => 05574402
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1996-11-12
[patent_title] => 'Monolithic integrated circuit device having microwave power amplifier including a matching circuit using distributed lines'
[patent_app_type] => 1
[patent_app_number] => 8/524188
[patent_app_country] => US
[patent_app_date] => 1995-09-06
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
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[patent_no_of_words] => 3599
[patent_no_of_claims] => 5
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[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/574/05574402.pdf
[firstpage_image] =>[orig_patent_app_number] => 524188
[rel_patent_id] =>[rel_patent_doc_number] =>) 08/524188 | Monolithic integrated circuit device having microwave power amplifier including a matching circuit using distributed lines | Sep 5, 1995 | Issued |
Array
(
[id] => 3894654
[patent_doc_number] => 05724006
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1998-03-03
[patent_title] => 'Circuit arrangement with controllable transmission characteristics'
[patent_app_type] => 1
[patent_app_number] => 8/523698
[patent_app_country] => US
[patent_app_date] => 1995-09-05
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
[patent_figures_cnt] => 7
[patent_no_of_words] => 7564
[patent_no_of_claims] => 11
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[patent_words_short_claim] => 41
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/724/05724006.pdf
[firstpage_image] =>[orig_patent_app_number] => 523698
[rel_patent_id] =>[rel_patent_doc_number] =>) 08/523698 | Circuit arrangement with controllable transmission characteristics | Sep 4, 1995 | Issued |