CPC technology class · G11
G11C - Static Stores
Static stores. 53,783 US utility patents granted 2015–2025, with the leading assignees and year-by-year filing trajectory.
- 53,783
- US patents granted
- G11
- Parent CPC class
- 20
- Active assignees
- +15%
- 5-yr velocity
The verdict
Static Stores ranks #28 of 670 CPC technology areas - 53,783 US patents granted since 2015, with filing up 15% over five years.
- #28
- of 670 CPC technology areas
- 53,783
- US patents granted, 2015–2025
- Micron Technology
- leading assignee (7,566)
- +15%
- filing velocity, last 5 yrs
CPC subclass G11C - STATIC STORES - covers 53,783 US utility patents granted between 2015 and 2025 according to USPTO PatentsView records, within the broader CPC class G11 (INFORMATION STORAGE). See our CPC classification guide for how the system works.
The competitive landscape in G11C is shaped by 20 distinct companies actively filing in this space. Micron Technology, Inc. leads with 7,566 patents, followed by Samsung Electronics Co., Ltd. at 4,655 grants and SK Hynix Inc. at 4,635.
Filing activity in G11C is up 15% over the past five years versus 2015-2019, a relatively steady filing pace. All counts come directly from USPTO PatentsView and reflect US granted utility patents only.
Is G11C innovation accelerating?
US utility-patent grants per year in G11C, 2015–2025 - recent five years are up 15% versus 2015–2019.
Who leads G11C?
The 12 most active assignees in STATIC STORES - wider bars mean more grants
- Micron Technology
Micron Technology, Inc.
7,566 patents
- Samsung
SAMSUNG ELECTRONICS CO., LTD.
4,655 patents
- Sk hynix
SK hynix Inc.
4,635 patents
- Taiwan Semiconductor… 2,498
TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
2,498 patents
- Sandisk 1,794
Sandisk Technologies, Inc.
1,794 patents
- Intel 1,567
Intel Corporation
1,567 patents
- International Busines… 1,554
International Business Machines Corporation
1,554 patents
- Toshiba Memory 1,205
TOSHIBA MEMORY CORPORATION
1,205 patents
- Kioxia 1,109
Kioxia Corporation
1,109 patents
- Toshiba 1,030
Kabushiki Kaisha Toshiba
1,030 patents
- Boe Technology Group 989
BOE Technology Group Co., Ltd.
989 patents
- Semiconductor Energy… 907
Semiconductor Energy Laboratory Co., Ltd.
907 patents
What this shows Micron Technology is the most active filer in G11C, holding 7,566 of the 53,783 patents in this class. Concentration at the top signals how contestable this technology area is for new entrants.
View data table
| Rank | Company | Patents in G11C |
|---|---|---|
| #1 | Micron Technology, Inc. | 7,566 |
| #2 | Samsung Electronics Co., Ltd. | 4,655 |
| #3 | SK Hynix Inc. | 4,635 |
| #4 | Taiwan Semiconductor Manufacturing Company Ltd. | 2,498 |
| #5 | Sandisk Technologies, Inc. | 1,794 |
| #6 | Intel Corporation | 1,567 |
| #7 | International Business Machines Corporation | 1,554 |
| #8 | Toshiba Memory Corporation | 1,205 |
| #9 | Kioxia Corporation | 1,109 |
| #10 | Kabushiki Kaisha Toshiba | 1,030 |
| #11 | BOE Technology Group Co., Ltd. | 989 |
| #12 | Semiconductor Energy Laboratory Co., Ltd. | 907 |
| #13 | Rambus Inc. | 839 |
| #14 | United Microelectronics Corp. | 719 |
| #15 | Western Digital Technologies, Inc. | 719 |
| #16 | Qualcomm Incorporated | 677 |
| #17 | Macronix International Co., Ltd. | 627 |
| #18 | Changxin Memory Technologies, Inc. | 519 |
| #19 | Renesas Electronics Corporation | 509 |
| #20 | Yangtze Memory Technologies Co., Ltd. | 433 |
About This Class
CPC subclass G11C belongs to class G11.
53,783 patents were granted in this class between 2015 and 2025.
20 companies actively patent in this space.
Classification System
Cooperative Patent Classification (CPC) is a hierarchical patent classification system used by the USPTO and EPO.
Footprint here vs. claim strategy
Each dot is a leading G11C assignee, placed by how many patents it holds in this class (horizontal) against its company-wide average claims per patent (vertical) - a read on whether the class is led by broad-but-shallow filers or focused deep-claim players.
Top 14 G11C assignees by class footprint. Bubble size = patents in G11C. Source: USPTO PatentsView (claim depth is company-wide across all classes).
Frequently Asked Questions
What is CPC class G11C?
How many patents have been filed in G11C?
Which company holds the most patents in G11C?
How is patent data for G11C collected?
What is the difference between CPC class and subclass?
Read our methodology - how this data is sourced, computed, and verified.
Every figure on PlainPatent is rendered directly from USPTO source data, no number is typed in by an editor. This page draws directly on USPTO source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.