How many patents does
Xuchang Xj Software Technology Company have?
patents
720
families
453
granted
242
applications
478
CN
683
US
30
WO
6
RoW
1
Buy the report
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
contact us for pricing
- VAT will apply to UK companies
- EU companies must supply their VAT number
Check out our sample pages |
Find companies to compare
Many companies now available
companies
12,000+
patents
42 million
patent families
23 million
Search to find companies of interest
read summary of their published patent
the following tables are just extracts from the report
the company report contains more information
Xuchang Xj Software Technology Company
Top ten assignees appearing on patents
2009 - 2018
2009
Xuchang Xj Software Technology Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| ieee (institute of electrical and electronics engineers) 1588 protocol negative test met… 🛈 | 4 | 2011 |
| method for preventing misoperation of intelligent substation relay protection device | 4 | 2015 |
| method for generating current differential protection generalized node on basis of elect… 🛈 | 4 | 2012 |
| differential protection method for bus | 4 | 2012 |
| centralized protection system and method for region distribution network | 4 | 2012 |
| routine sampling goose trip mode-based sampling implementation method and apparatus | 4 | 2015 |
| oil-gas separation cylinder, oil-gas separation device and oil chromatography | 4 | 2015 |
| bridge differential protection method of current conversion system | 4 | 2015 |
| phase difference principle based power distribution network differential protection meth… 🛈 | 4 | 2015 |
| fault positioning protecting device and method based on power distribution network smart… 🛈 | 3 | 2013 |