How many patents does
Hangzhou Silan Microelectronics Company have?
patents
726
families
509
granted
196
applications
530
CN
681
US
21
WO
11
RoW
13
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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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Hangzhou Silan Microelectronics Company
Top ten assignees appearing on patents
2009 - 2018
Hangzhou Silan Microelectronics Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| isolation structure and manufacturing method thereof for high-voltage device in a high-v… 🛈 | 6 | 2012 |
| frequency dithering circuit and frequency dithering method as well as application thereo… 🛈 | 5 | 2009 |
| current reference generation circuit, constant current switch power supply control circu… 🛈 | 5 | 2011 |
| switching power supply control device and flyback switching power supply with same | 5 | 2011 |
| switch power supply and inductive current peak compensating device | 5 | 2009 |
| switching power supply controller for constant current driving of led by primary side co… 🛈 | 5 | 2011 |
| offline type ac-dc (alternating current-direct current) control circuit and converting c… 🛈 | 5 | 2011 |
| power semiconductor device with antistatic discharge capacity and manufacturing method | 4 | 2012 |
| composite device and switching power supply | 4 | 2014 |
| switching power supply and controller thereof | 4 | 2014 |