How many patents does
Tokyo Electron Us Holdings have?
patents
1,171
families
187
granted
308
applications
863
US
324
WO
203
KR
165
JP
97
CN
69
EP
10
GB
7
RoW
296
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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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Tokyo Electron Us Holdings
Top ten assignees appearing on patents
2009 - 2018
| tokyo electron | 914 |
| tokyo electron us holdings | 202 |
| nustep | 7 |
| tel solar | 3 |
| tokyo electron europe | 3 |
2009
| tokyo electron | 1 |
2018
| tokyo electron | 209 |
| tokyo electron us holdings | 36 |
| nustep | 1 |
Tokyo Electron Us Holdings
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| use of topography to direct assembly of block copolymers in grapho-epitaxial applications | 24 | 2013 |
| method for chemical polishing and planarization | 17 | 2013 |
| methods of forming etch masks for sub-resolution substrate patterning | 16 | 2015 |
| substrate backside texturing | 15 | 2013 |
| substrate tuning system and method using optical projection | 13 | 2013 |
| method of endpoint detection of plasma etching process using multivariate analysis | 13 | 2012 |
| method and system for performing post-etch annealing of a workpiece | 12 | 2014 |
| sidewall protection of low-k material during etching and ashing | 11 | 2012 |
| method and apparatus for increased recirculation and filtration in a photoresist dispens… 🛈 | 11 | 2014 |
| colloidal silica growth inhibitor and associated method and system | 11 | 2016 |