Inventor
Hongjiang Zhang
Inventor
Beijing, CN
Overview
Patents· 28 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G06Fprimary
G06FElectric digital data processing23%
G06VImage or video recognition or understanding11%
H04NPictorial communication, e.g. television11%
G02BOptical elements, systems or apparatus9%
G06TImage data processing or generation, in general8%
A61BDiagnosis6%
G11BInformation storage based on relative movement between record carrier and transducer6%
G02CSpectacles5%
G06KGraphical data reading5%
G10LSpeech analysis techniques or speech synthesis5%
PatentTitleYear
10,551,638Imaging apparatus and imaging method202010,481,396Imaging device and imaging method201910,444,979Gesture-based search201910,395,510Reminding method and reminding device201910,313,746Server, client and video processing method201910,261,345Imaging adjustment device and imaging adjustment method201910,191,276Imaging adjustment device and imaging adjustment method201910,048,750Content projection system and content projection method201810,002,293Image collection with increased accuracy20189,961,335Pickup of objects in three-dimensional display20189,867,532'System for detecting optical parameter of eye, and method for detecting optical parameter of eye'20189,843,567'Wireless network service provision method and system'20177,989,666'Method for preparing bisphenol A'20117,983,340'Extracting key frames from video using a triangle model of motion based on perceived motion energy'20117,809,813'System and method for providing content-oriented services to content providers and content consumers'20107,359,440'Method and system for extracting key frames from video using a triangle model of motion based on perceived motion energy'20087,328,149'Audio segmentation and classification'20087,324,671'System and method for multi-view face detection'20087,050,607'System and method for multi-view face detection'20067,035,793'Audio segmentation and classification'20067,027,513'Method and system for extracting key frames from video using a triangle model of motion based on perceived motion energy'20066,901,362'Audio segmentation and classification'20056,393,054'System and method for automatically detecting shot boundary and key frame from a compressed video data'20026,389,168'Object-based parsing and indexing of compressed video streams'20026,347,313'Information embedding based on user relevance feedback for object retrieval'20026,295,115'Producing an optimized color image from a negative image and its developed print image'20016,278,491'Apparatus and a method for automatically detecting and reducing red-eye in a digital image'20016,035,055'Digital image management system in a distributed data access network system'2000Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2000–2002Patents assigned to HEWLETT PACKARD CO (6)· patent assignee history
2000–2002Based in Mountain View, CA, US· patent location history
2005–2011Patents assigned to MICROSOFT CORP (9)· patent assignee history
2005–2020Based in Beijing, CN· patent location history
2011Patents assigned to CHINA PETROLEUM & CHEMICAL (1)· patent assignee history
2017–2020Patents assigned to BEIJING ZHIGU RUITUO TECH CO LTD (11)· patent assignee history
2019Patents assigned to HUANG XUEDONG DAVID (1)· patent assignee history
2019Based in Bellevue, WA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BEIJING ZHIGU RUITUO TECH CO LTD | 11 | 2017–2020 |
| MICROSOFT CORP | 9 | 2005–2011 |
| HEWLETT PACKARD CO | 6 | 2000–2002 |
| CHINA PETROLEUM & CHEMICAL | 1 | 2011 |
| HUANG XUEDONG DAVID | 1 | 2019 |
Locations
| Location | Patents | Span |
|---|---|---|
| Beijing, CN | 21 | 2005–2020 |
| Mountain View, California, US | 6 | 2000–2002 |
| Bellevue, Washington, US | 1 | 2019 |