
Leonard Chang
Supervisory Patent Examiner (ID: 7771, Phone: (571)270-3691 , Office: P/4166 )
| Most Active Art Unit | 2812 |
| Art Unit(s) | 4121, 4100, 2812, 2898 |
| Total Applications | 320 |
| Issued Applications | 197 |
| Pending Applications | 1 |
| Abandoned Applications | 127 |
Applications
| Application number | Title of the application | Filing Date | Status |
|---|---|---|---|
Array
(
[id] => 19052619
[patent_doc_number] => 20240094588
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[patent_kind] => A1
[patent_issue_date] => 2024-03-21
[patent_title] => METHOD FOR PRODUCING AN ELECTROCHROMIC DEVICE, ELECTROCHROMIC DEVICE, AND INSULATING GLAZING
[patent_app_type] => utility
[patent_app_number] => 18/264204
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Array
(
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[patent_doc_number] => 20220146720
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[patent_kind] => A1
[patent_issue_date] => 2022-05-12
[patent_title] => DISPLAY DEVICES INCLUDING MIRROR SUBSTRATES AND METHODS OF MANUFACTURING MIRROR SUBSTRATES
[patent_app_type] => utility
[patent_app_number] => 17/648770
[patent_app_country] => US
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Array
(
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[patent_kind] => A1
[patent_issue_date] => 2024-11-21
[patent_title] => EYE MOVEMENT TRACKING DEVICE AND EYE MOVEMENT TRACKING METHOD
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Array
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[patent_doc_number] => 20220121065
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[patent_kind] => A1
[patent_issue_date] => 2022-04-21
[patent_title] => DISPLAY DEVICE
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Array
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[patent_issue_date] => 2025-02-11
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Array
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[patent_doc_number] => 20240077778
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[patent_title] => DEVICE INCLUDING FERROELECTRIC NEMATIC LIQUID CRYSTAL-FORMING MOLECULES AND METHODS OF FORMING AND USING SAME
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Array
(
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[patent_title] => EXTENDED DEPTH RANGE LIGHT FIELD DISPLAY
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Array
(
[id] => 17549704
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[patent_title] => VARIABLE-FOCUS VIRTUAL IMAGE DEVICES BASED ON POLARIZATION CONVERSION
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[rel_patent_id] =>[rel_patent_doc_number] =>) 17/646094 | Variable-focus virtual image devices based on polarization conversion | Dec 26, 2021 | Issued |
Array
(
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Array
(
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Array
(
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Array
(
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Array
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Array
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Array
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Array
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Array
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Array
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Array
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