
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
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[id] => 19685790
[patent_doc_number] => 20250004335
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[patent_kind] => A1
[patent_issue_date] => 2025-01-02
[patent_title] => PIXEL STRUCTURE AND DISPLAY PANEL
[patent_app_type] => utility
[patent_app_number] => 17/769776
[patent_app_country] => US
[patent_app_date] => 2022-04-14
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Array
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[patent_title] => DISPLAY PANEL, ARRAY SUBSTRATE, AND MANUFACTURING METHOD THEREOF
[patent_app_type] => utility
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Array
(
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[patent_issue_date] => 2026-01-20
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[patent_app_type] => utility
[patent_app_number] => 18/286387
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Array
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Array
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Array
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[patent_title] => Sunglasses with near-vision adjustment
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Array
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Array
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Array
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[patent_title] => FOCUS VARIABLE LIQUID LENS AND METHOD OF MANUFACTURING THE SAME
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Array
(
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[patent_title] => LIGHT EMITTING APPARATUS AND WINDOW
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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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