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 grant trajectory.

Compiled by PlainPatent · May 15, 2026

53,783
US patents granted: #1/2
in G11: 71.4%
G11 class share: +1%
5-yr velocity

The verdict

According to USPTO PatentsView, Static Stores ranks #28 of 670 CPC technology areas - 53,783 US patents granted since 2015, with recorded grant volume up 1% over five years.

#28
of 670 CPC technology areas: 53,783
US patents granted, 2015–2025: Micron Technology
leading assignee (7,566): +1%
grant velocity, last 5 yrs

How G11C's grant cadence moved

Between 2020–2024, G11C recorded 24,388 grants versus 24,203 in 2015–2019 (+1% equal-window velocity). Across complete years, output peaked in 2020 at 5,288 grants and bottomed in 2018 at 4,241 (+25% peak-over-trough). Lead assignee Micron Technology, Inc. holds 14.1% of the class ; the top three share 31.3%.

Leaderboard read

G11C concentration, lead at 14.1%

Micron Technology, Inc. leads this historical grant record at 14.1% of G11C - foreign corporation assignees hold 57% of class grants (28,087 of 49,436). Figures describe granted US utility patents in this CPC subclass, not current investment or legal strength.

Leader's share: 14.1%
Top three share: 31.3%
Lead over #2: 2,911

Where G11C sits inside G11

Among 2 subclasses in G11 (Information Storage), G11C ranks #1 and holds 71.4% of the parent class's 75,283 recorded grants. Sibling chips below are the other subclasses in the same parent class, not the nationwide volume/lead-share peers further down.

G11B 21,500

Rising assignees active in G11C

Company-wide grant multiples (2022–2024 vs 2019–2021) among assignees with ≥5 patents in this subclass. Growth is company-wide; class patent counts are subclass-specific.

#1 Sharp Display Technology Corporation 144x 0 → 144 company-wide · 7 in G11C
#2 Wuhan Tianma Microelectronics Co., Ltd. Shanghai Branch 142x 0 → 142 company-wide · 12 in G11C
#3 Changxin Memory Technologies, Inc. 63x 17 → 1,066 company-wide · 519 in G11C
#4 Ceremorphic, Inc. 62x 0 → 62 company-wide · 6 in G11C
#5 UIF (University Industry Foundation), Yonsei University 56x 0 → 56 company-wide · 10 in G11C

G11C grants by year, peak 2020 (5,288)

US utility-patent grants per year in G11C, 2015–2025 - recent five years are up 1% versus 2015–2019.

Micron Technology

7,566
Samsung

4,655
Sk hynix

4,635
Taiwan Semiconductor…

2,498
Sandisk

1,794
Intel

1,567
International…

1,554
Toshiba Memory

1,205
Kioxia

1,109
Toshiba

1,030
Boe Technology Group

989
Semiconductor Energy…

907

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

Top patent holders in CPC subclass G11C
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

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).

Classes near G11C's 53,783-grant footprint

Nationwide nearest neighbors for G11C (#28 of 670 by volume ; lead share 14.1%) - not the G11 parent-class siblings above.

Nearest by grant volume

G01R 53,716 B29C 53,431 G02F 52,876 G01S 52,756

Nearest by lead-assignee share

F05D 14.1% A24F 14.1% G04C 14.1% F03D 14.2%

Questions about G11C

Which company holds the most patents in G11C?

Micron Technology, Inc. leads G11C with 7,566 patents (14.1% of the subclass). By PatentsView assignee type, foreign corporations account for 57% of class grants.

Which G11C assignees grew fastest recently?

Among assignees with ≥5 grants in G11C, Sharp Display Technology Corporation shows the highest company-wide grant multiple (144x: 0 grants in 2019–2021 → 144 in 2022–2024) while holding 7 patents in this subclass. Growth is company-wide, not class-only.

How does G11C compare inside parent class G11?

Inside G11 (Information Storage), G11C ranks #1 of 2 subclasses by grant volume and holds 71.4% of the parent class total. The largest sibling is G11B (21,500 grants).

What to do with this data

G11C in context - here's where to go next.

Micron Technology, Inc. leads G11C with 7,566 grants in this class. See full portfolio
G11C ranks #28 of 670 by grant volume among all tracked CPC technology areas. See the ranking
Inside parent class G11, the largest sibling subclass is G11B with 21,500 grants. Explore G11B

Figures reflect USPTO PatentsView grant data through 2026-05-15; pending applications not yet granted are not counted.

Methodology - G11C figures are USPTO PatentsView granted-utility totals for this subclass (53,783 grants in the tracked window).

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.