Inventor
Cheng Du
Inventor
Beijing, CN
Overview
Patents· 34 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Nprimary
H04NPictorial communication, e.g. television23%
G06TImage data processing or generation, in general15%
G06KGraphical data reading10%
G06VImage or video recognition or understanding9%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them8%
G06FElectric digital data processing6%
G02BOptical elements, systems or apparatus5%
LOC264%
C03BManufacture, shaping, or supplementary processes3%
B29BPreparation or pretreatment of the material to be shaped1%
PatentTitleYear
11,080,883Image recognition device and method for recognizing images202111,028,226Heat resistant polyimide film and preparation method thereof202110,841,485Photographing method and photographing apparatus for terminal, and terminal202010,827,140Photographing method for terminal and terminal202010,771,686Method and terminal for acquire panoramic image202010,689,287Method for efficiently preparing doped optical fibre preform and doped optical fibre preform202010,630,884Camera focusing method, apparatus, and device for terminal202010,491,804Focus window determining method, apparatus, and device201910,455,141Auto-focus method and apparatus and electronic device201910,277,804Method and terminal for acquiring panoramic image201910,129,455Auto-focus method and apparatus and electronic device20189,973,672Photographing for dual-lens device using photographing environment determined using depth estimation20189,934,438Scene recognition method and apparatus20189,736,391'Photographing method of dual-lens device, and dual-lens device'20179,647,413'High-efficiency parallel-beam laser optical fibre drawing method and optical fibre'20179,530,054'Scene recognition method and apparatus'20169,406,148'Image processing method and apparatus, and shooting terminal'20169,390,475'Backlight detection method and device'20169,196,071'Image splicing method and apparatus'20158,995,759'Image processing apparatus and image processing method'20158,848,980'Front vehicle detecting method and front vehicle detecting apparatus'20148,788,969'Electronic device and method for presenting files'20148,755,623'Image enhancement method, image enhancement device, object detection method, and object detection device'20148,717,856'Electronic device and method for providing and disarming alarm clock'20148,660,317'Object image detection method and object image detection device for detecting an object image from an input image'20148,559,725'Method and apparatus for extracting raster images from portable electronic document'20138,488,896'Image processing apparatus and image processing method'20138,452,097'Apparatus and method for extracting circumscribed rectangles of characters in transplantable electronic document'2013D0676585'Lamp'20138,349,480'Electronic device with detachable battery'2013D0671239'LED bulb lamp'2012D0671238'LED bulb lamp'20128,254,643'Image processing method and device for object recognition'20128,248,494'Image dynamic range compression method, apparatus, and digital camera'2012Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2012–2015Patents assigned to DU CHENG (9)· patent assignee history
2012–2015Patents assigned to RICOH CO LTD (9)· patent assignee history
2012–2020Based in Beijing, CN· patent location history
2012–2013Based in Taoyuan County, TW· patent location history
2013–2014Patents assigned to DU CHENG-HSIU (4)· patent assignee history
2013–2021Based in New Taipei, TW· patent location history
2015–2020Patents assigned to HUAWEI TECH CO LTD (7)· patent assignee history
2016–2020Patents assigned to HUAWEI DEVICE CO LTD (6)· patent assignee history
2017–2020Based in Wuhan, CN· patent location history
2021Based in Harbin, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DU CHENGself | 9 | 2012–2015 |
| RICOH CO LTD | 9 | 2012–2015 |
| HUAWEI TECH CO LTD | 7 | 2015–2020 |
| HUAWEI DEVICE CO LTD | 6 | 2016–2020 |
| DU CHENG-HSIUself | 4 | 2013–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Beijing, CN | 24 | 2012–2020 |
| New Taipei, TW | 4 | 2013–2021 |
| Taoyuan County, TW | 3 | 2012–2013 |
| Wuhan, CN | 2 | 2017–2020 |
| Harbin, CN | 1 | 2021 |