Yuhong Diao

This inventor holds 2 USPTO granted patents. Top assignees: China Railway 14Th Bureau Group Corporation Limited, China Railway 14Th Bureau Group Shield Engineering Coporation Limited, Ocean University of China. Active years: 2025-2026.

USPTO Granted Patents = 2

% Patents Active = 50.0

Average Co-Inventor Count = 19.0

ph-index = 1

Company Filing History:

2 out of 2

China Railway 14Th Bureau Group Corporation Limited

patents

2 out of 2

China Railway 14Th Bureau Group Shield Engineering Coporation Limited

patents

2 out of 70

Ocean University of China

patents

where one patent can have more than one assignee

Years Active: 2025-2026

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2 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12741910 - Double-liquid grouting slurry, its technology and application for super large diameter underwater shield engineering under high water pressure condition (2026-09-22),

2. 12187646 - Synchronous single-liquid grouting slurry, its technology and application for large diameter shield engineering under water-rich, high-pressure and weak soil strata conditions (2025-01-07),

Profile summary based on public USPTO records.

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