How many patents does
Harmonic Drive Systems have?
patents
1,371
families
235
granted
406
applications
965
US
271
JP
232
CN
183
KR
166
WO
121
EP
81
RoW
317
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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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Harmonic Drive Systems
Top ten assignees appearing on patents
Harmonic Drive Systems
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| strain wave gear device, friction engagement type strain wave device, and wave generator | 17 | 2013 |
| dual-type wave gear device | 15 | 2014 |
| dual-type wave gear device | 15 | 2014 |
| dual-type wave gear device | 15 | 2014 |
| variable compression ratio mechanism for internal combustion engine | 14 | 2015 |
| dual-type wave gear device | 14 | 2014 |
| dual-type wave gear device | 14 | 2014 |
| dual-type wave gear device | 14 | 2014 |
| sealed rotational output unit and sealed motor assembly | 13 | 2010 |
| wave generator and wave gear device | 12 | 2013 |