P

Inventor

WANG ZHIGUO

US62 patents
⚠️ This page may combine multiple inventors who share the name “WANG ZHIGUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

AMAZON TECH INC

13 patents
US11726994B1Aug 15, 2023

Providing query restatements for explaining natural language query results

AMAZON TECH INC27 citations93
US11500865B1Nov 15, 2022

Multiple stage filtering for natural language query processing pipelines

AMAZON TECH INC20 citations92
US11604794B1Mar 14, 2023

Interactive assistance for executing natural language queries to data sets

AMAZON TECH INC28 citations91
US12271698B1Apr 8, 2025

Schema and cell value aware named entity recognition model for executing natural language queries

AMAZON TECH INC9 citations86
US12265528B1Apr 1, 2025

Natural language query processing

AMAZON TECH INC7 citations83
US12346315B1Jul 1, 2025

Natural language query processing

AMAZON TECH INC5 citations73
US11526557B2Dec 13, 2022

Systems, apparatuses, and methods for providing emphasis in query results

AMAZON TECH INC4 citations72
US11475067B2Oct 18, 2022

Systems, apparatuses, and methods to generate synthetic queries from customer data for training of document querying machine learning models

AMAZON TECH INC4 citations72
US12259914B1Mar 25, 2025

Questions disambiguation using generative evidence fusion and round-trip prediction

AMAZON TECH INC5 citations71
US12007988B2Jun 11, 2024

Interactive assistance for executing natural language queries to data sets

AMAZON TECH INC2 citations70
US11366855B2Jun 21, 2022

Systems, apparatuses, and methods for document querying

AMAZON TECH INC2 citations69
US11726997B2Aug 15, 2023

Multiple stage filtering for natural language query processing pipelines

AMAZON TECH INC0 citations60
US12585645B1Mar 24, 2026

Natural language query processing

AMAZON TECH INC0 citations50

IFLYTEK CO LTD

8 patents

GUANGDONG SKG INTELLIGENT TECH CO LTD

4 patents

HONEYWELL INT INC

3 patents

IBM

2 patents

INTEL CORP

2 patents

UNIV JIANGNAN

2 patents

UNIV XI AN JIAOTONG

2 patents

LI TIECAI

1 patent

RUSU STEFAN

1 patent

MOTOROLA INC

1 patent

SHENZHEN DINGBIAO WOWO TECH CO LTD

1 patent

ZHAO JINHUA

1 patent

UNIV CALIFORNIA

1 patent

BROSE FAHRZEUGTEILE

1 patent

CHINA TOBACCO HUNAN IND CO LTD

1 patent

UNIV HUAZHONG SCIENCE TECH

1 patent

CHANGXIN MEMORY TECH INC

1 patent

KESSLER BERNHARD

1 patent

MARVELL WORLD TRADE LTD

1 patent

UNIV NANJING AERONAUTICS & ASTRONAUTICS

1 patent

INSPUR SUZHOU INTELLIGENT TECHNOLOGY CO LTD

1 patent

Showing the top 50 of 62 patents by PatentIndex Score.