Database system for controlling the gate of subway riding area
US-12288435-B2 · Apr 29, 2025 · US
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Liu Jian — Physics
Liu Jian holds 7 patents in Physics, with representative filings summarized below.
| Metric | Value |
|---|---|
| Company | Liu Jian |
| Technology | Physics |
| Patents in slice | 7 |
| Recent patents in slice | 1 |
| First year | 2015 |
| Last year | 2025 |
Representative patents
Notable publications linking Liu Jian to Physics.
Database system for controlling the gate of subway riding area
US-12288435-B2 · Apr 29, 2025 · US
Database system for controlling the gate of subway riding area
US-12288435-B2 · Apr 29, 2025 · US
Database system for controlling the gate of subway riding area
US-12288435-B2 · Apr 29, 2025 · US
Database system for controlling the gate of subway riding area
US-12288435-B2 · Apr 29, 2025 · US
Recent filings
Latest patents from Liu Jian in Physics.
Database system for controlling the gate of subway riding area
US-12288435-B2 · Apr 29, 2025 · US
Database system for controlling the gate of subway riding area
US-12288435-B2 · Apr 29, 2025 · US
Database system for controlling the gate of subway riding area
US-12288435-B2 · Apr 29, 2025 · US
Database system for controlling the gate of subway riding area
US-12288435-B2 · Apr 29, 2025 · US
Database system for controlling the gate of subway riding area
US-12288435-B2 · Apr 29, 2025 · US
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