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CPC technology class ·

H10B - Electronic Memory Devices

Electronic memory devices. 31,904 US utility patents granted 2015–2025, with the leading assignees and year-by-year filing trajectory.

31,904
US patents granted
Parent CPC class
20
Active assignees
+42%
5-yr velocity

The verdict

Electronic Memory Devices ranks #59 of 670 CPC technology areas - 31,904 US patents granted since 2015, with filing up 42% over five years.

#59
of 670 CPC technology areas
31,904
US patents granted, 2015–2025
Samsung
leading assignee (3,987)
+42%
filing velocity, last 5 yrs
Top assignee: Samsung Electronics Co., Ltd. (3,987 patents)

CPC subclass H10B - ELECTRONIC MEMORY DEVICES - covers 31,904 US utility patents granted between 2015 and 2025 according to USPTO PatentsView records, within the broader CPC class . See our CPC classification guide for how the system works.

The competitive landscape in H10B is shaped by 20 distinct companies actively filing in this space. Samsung Electronics Co., Ltd. leads with 3,987 patents, followed by Taiwan Semiconductor Manufacturing Company Ltd. at 3,369 grants and Micron Technology, Inc. at 3,035.

Filing activity in H10B is up 42% over the past five years versus 2015-2019, a sharp acceleration suggesting an emerging or fast-moving technology area. All counts come directly from USPTO PatentsView and reflect US granted utility patents only.

Is H10B innovation accelerating?

US utility-patent grants per year in H10B, 2015–2025 - recent five years are up 42% versus 2015–2019.

2,0002,5003,0003,500 20152016201720182019202020212022202320242025 2,657

Who leads H10B?

The 12 most active assignees in ELECTRONIC MEMORY DEVICES - wider bars mean more grants

patents

What this shows Samsung is the most active filer in H10B, holding 3,987 of the 31,904 patents in this class. Concentration at the top signals how contestable this technology area is for new entrants.

Source USPTO PatentsView, granted utility patents As of 2015–2025 grant years
View data table
Top patent holders in CPC subclass H10B
Rank Company Patents in H10B
#1 Samsung Electronics Co., Ltd. 3,987
#2 Taiwan Semiconductor Manufacturing Company Ltd. 3,369
#3 Micron Technology, Inc. 3,035
#4 SK Hynix Inc. 1,982
#5 Sandisk Technologies, Inc. 1,395
#6 International Business Machines Corporation 1,197
#7 United Microelectronics Corp. 1,112
#8 Toshiba Memory Corporation 1,090
#9 Kioxia Corporation 903
#10 Semiconductor Energy Laboratory Co., Ltd. 822
#11 Kabushiki Kaisha Toshiba 820
#12 Yangtze Memory Technologies Co., Ltd. 687
#13 Intel Corporation 682
#14 Changxin Memory Technologies, Inc. 565
#15 Macronix International Co., Ltd. 530
#16 Nanya Technology Corporation 463
#17 Renesas Electronics Corporation 435
#18 Globalfoundries Inc. 320
#19 Globalfoundries Singapore Pte. Ltd. 298
#20 Fujian Jinhua Integrated Circuit Co., Ltd. 285

About This Class

CPC subclass H10B belongs to class .

31,904 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.

← All Technology Classes Technology Rankings →

Footprint here vs. claim strategy

Each dot is a leading H10B 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 H10B assignees by class footprint. Bubble size = patents in H10B. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Top 14 H10B assignees by class footprint. Bubble size = patents in H10B. Source: USPTO PatentsView (claim depth is company-wide across all classes). Scatter plot of 14 data points (bubble-sized by third dimension). 10121416182022 010002000300040005000 Patents in H10B Avg claims / patent (company-wide) SamsungTaiwan Semiconductor…Micron TechnologySk hynixSandiskInternational Busines…United Microelectroni…Toshiba MemoryKioxiaSemiconductor Energy…ToshibaYangtze MemoryIntelChangxin Memory
Top 14 H10B assignees by class footprint. Bubble size = patents in H10B. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Frequently Asked Questions

What is CPC class H10B?
CPC subclass H10B covers ELECTRONIC MEMORY DEVICES. It belongs to CPC class , with 31,904 US utility patents granted since 2015.
How many patents have been filed in H10B?
31,904 US utility patents were granted in CPC subclass H10B between 2015 and 2025, based on USPTO PatentsView data.
Which company holds the most patents in H10B?
Samsung Electronics Co., Ltd. leads H10B with 3,987 patents, making it the most active assignee in this technology area.
How is patent data for H10B collected?
Patent data comes from USPTO PatentsView, a public research dataset maintained by the United States Patent and Trademark Office. It covers all US granted utility patents and assigns CPC codes based on the technology described in each patent.
What is the difference between CPC class and subclass?
A CPC class (e.g., ) is a broad technology category. Subclasses like H10B provide finer granularity within that category. PlainPatent organizes data at the subclass level (4-character codes) for the most useful view of technology domains.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from USPTO PatentsView - official U.S. government patent data. See our methodology for computation details. Retrieved and formatted by PlainPatent Editorial

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.