How many patents does
Weihai Hualing Opto-Electronics Company have?
patents
260
families
195
granted
42
applications
218
CN
231
WO
10
US
7
JP
6
EP
5
RoW
1
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The report contains ten-year analysis with the following sections
- patent filing analysis
- worldwide filing analysis
- patent family analysis
- application analysis
- granted analysis
- classification analysis
- citation analysis
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Weihai Hualing Opto-Electronics Company
Top ten assignees appearing on patents
Weihai Hualing Opto-Electronics Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| image recognition device and image reading device | 9 | 2012 |
| image scanning device and control method thereof | 8 | 2013 |
| rod-shaped lens array and image reading device therefrom | 6 | 2010 |
| full-spectrum identification image sensor | 6 | 2009 |
| magnetic image sensor | 6 | 2015 |
| contact type image sensor | 3 | 2009 |
| linear array image sensor and linear array image reading device | 3 | 2012 |
| contact type image sensor | 3 | 2012 |
| mirror-image symmetrical sensor chip and contact-type image sensor formed by same | 2 | 2013 |
| detection apparatus of film thickness | 2 | 2015 |