SK Hynix has a total of 1247 patents globally, out of which 971 have been granted. Of these 1247 patents, more than 27% patents are active. Korea (South) is where SK Hynix has filed the maximum number of patents, followed by USA and Germany. Parallelly, Korea (South) seems to be the main focused R&D center and also is the origin country of SK Hynix.
SK Hynix was founded in 1983 by Chung Ju-yung and its subpart of SK Group. SK Hynix provides products and services for the electronic components industries. The Company manufactures semiconductors such as dynamic random access memory (DRAM), NAND flash memory, and static random access memory (SRAM) chips. As of July 2022, SK Hynix has a market cap of $28.68 Billion.
Do read about some of the most popular patents of SK Hynix which have been covered by us in this article and also you can find SK Hynix patents information, the worldwide patent filing activity and its patent filing trend over the years, and many other stats over SK Hynix patent portfolio.
How many patents does SK Hynix have?
SK Hynix has a total of 1247 patents globally. These patents belong to 788 unique patent families. Out of 1247 patents, 341 patents are active.
How Many Patents did SK Hynix File Every Year?
Are you wondering why there is a drop in patent filing for the last two years? It is because a patent application can take up to 18 months to get published. Certainly, it doesn’t suggest a decrease in the patent filing.
| Year of Patents Filing or Grant | SK Hynix Applications Filed | SK Hynix Patents Granted |
| 2011 | 46 | 27 |
| 2012 | 57 | 31 |
| 2013 | 76 | 46 |
| 2014 | 51 | 63 |
| 2015 | 15 | 42 |
| 2016 | 16 | 27 |
| 2017 | – | 14 |
| 2018 | 7 | 6 |
| 2019 | 11 | 5 |
| 2020 | 8 | 8 |
| 2021 | 3 | 13 |
| 2022 | – | 6 |
How many SK Hynix patents are Alive/Dead?
Worldwide Patents
How Many Patents did SK Hynix File in Different Countries?
Countries in which SK Hynix Filed Patents
| Country | Patents |
| Korea (South) | 327 |
| United States Of America | 283 |
| Germany | 222 |
| Japan | 134 |
| China | 118 |
| Europe | 38 |
| Taiwan | 20 |
| United Kingdom | 3 |
| Hong Kong (S.A.R.) | 2 |
| Malaysia | 2 |
| Singapore | 1 |
| Canada | 1 |
Where are Research Centers of SK Hynix Patents Located?
10 Best SK Hynix Patents
US7106285B2 is the most popular patent in the SK Hynix portfolio. It has received 246 citations so far from companies like Ignis Innovation Inc, Boe Technology Group and Apple Inc.
Below is the list of 10 most cited patents of SK Hynix:
| Publication Number | Citation Count |
| US7106285B2 | 246 |
| US20100277400A1 | 225 |
| US8077123B2 | 135 |
| US6741552B1 | 102 |
| US6335721B1 | 69 |
| JP2008536330A | 66 |
| US8923066B1 | 65 |
| WO2007148891A1 | 61 |
| US6559008B2 | 60 |
| US6383876B1 | 53 |
Which Companies are using SK Hynix Patents to Advance their Research?
If patents or patents from a particular technology area of a company receive a lot of citations, it implies that the technology is being followed and incrementally innovated by the citing companies. It also indicates that citing companies are working on similar and closely related technologies.
The top citing companies in the SK Hynix patent portfolio are Samsung, Ignis Innovation Inc and Micron Technology.
List of the top forward citing Companies –
| Company | Number of Patents |
| Samsung Electronics | 22 |
| Ignis Innovation Inc | 11 |
| Micron Technology | 10 |
| Seagate Technology | 8 |
| Sandisk Technologies Llc | 6 |
| Micron Semiconductor Products Inc | 6 |
| Avago Technologies International Sales Pte Limited | 5 |
| Sony Corporation | 5 |
| Western Digital Technologies Inc | 4 |
| Lsi Corporation | 3 |
Count of 102 and 103 Type Rejections based on SK Hynix Patents
Top SK Hynix Patents used in Rejecting Most Patent Applications
| Patent Number | Count of Rejected Applications |
| US8077123B2 | 12 |
| US20100277400A1 | 10 |
| US8665543B2 | 8 |
| US9269448B2 | 7 |
| US7129938B2 | 7 |
| US7106285B2 | 7 |
| US20100328437A1 | 5 |
| US8809991B2 | 4 |
| US20090058993A1 | 4 |
| US20130318285A1 | 4 |
| US20090014761A1 | 4 |
| US8918696B2 | 3 |
| US8677218B2 | 3 |
| US20080290440A1 | 3 |
| US9059275B2 | 3 |
What Percentage of SK Hynix US Patent Applications were Granted?
SK Hynix (Excluding its subsidiaries) has filed 9545 patent applications at USPTO so far (Excluding Design and PCT applications). Out of these 7383 have been granted leading to a grant rate of 88.7%.
Below are the key stats of SK Hynix patent prosecution at the USPTO.
Which Law Firms Filed Most US Patents for SK Hynix?
| Law Firm | Total Applications | Success Rate |
| Ip & T Group Llp | 4268 | 86.35% |
| William Park & Associates Ltd | 3216 | 88.80% |
| Ampacc Law Group Pllc | 785 | 89.43% |
| Perkins Coie Llp | 472 | 95.87% |
| Agora Law Llc | 151 | 95.70% |
| Weaver Austin Villeneuve & Sampson Llp | 81 | 100.00% |
| Marshall Gerstein & Borun Llp | 62 | 100.00% |
| Ladas & Parry Llp | 37 | 78.38% |
| Holtz Holtz & Volek Pc | 35 | 87.50% |
| Sk Hynix Kilpatrick Townsend & Stockton Llp | 32 | 87.50% |
EXCLUSIVE INSIGHTS COMING SOON!