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CPC technology class · H01

H01L - Semiconductor Devices NOT Covered BY Class H10

Semiconductor devices not covered by class h10. 165,178 US utility patents granted 2015–2025, with the leading assignees and year-by-year filing trajectory.

165,178
US patents granted
H01
Parent CPC class
20
Active assignees
+8%
5-yr velocity

The verdict

Semiconductor Devices NOT Covered BY Class H10 ranks #5 of 670 CPC technology areas - 165,178 US patents granted since 2015, with filing up 8% over five years.

#5
of 670 CPC technology areas
165,178
US patents granted, 2015–2025
Taiwan Semiconductor…
leading assignee (19,657)
+8%
filing velocity, last 5 yrs
Top assignee: Taiwan Semiconductor Manufacturing Company Ltd. (19,657 patents)

CPC subclass H01L - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10 - covers 165,178 US utility patents granted between 2015 and 2025 according to USPTO PatentsView records, within the broader CPC class H01 (ELECTRIC ELEMENTS). See our CPC classification guide for how the system works.

The competitive landscape in H01L is shaped by 20 distinct companies actively filing in this space. Taiwan Semiconductor Manufacturing Company Ltd. leads with 19,657 patents, followed by Samsung Electronics Co., Ltd. at 10,662 grants and International Business Machines Corporation at 7,298.

Filing activity in H01L is up 8% 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 H01L innovation accelerating?

US utility-patent grants per year in H01L, 2015–2025 - recent five years are up 8% versus 2015–2019.

10,00012,00014,00016,00018,000 20152016201720182019202020212022202320242025 11,106

Who leads H01L?

The 12 most active assignees in SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10 - wider bars mean more grants

patents

What this shows Taiwan Semiconductor… is the most active filer in H01L, holding 19,657 of the 165,178 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 H01L
Rank Company Patents in H01L
#1 Taiwan Semiconductor Manufacturing Company Ltd. 19,657
#2 Samsung Electronics Co., Ltd. 10,662
#3 International Business Machines Corporation 7,298
#4 Applied Materials, Inc. 4,095
#5 Intel Corporation 4,089
#6 Tokyo Electron Limited 3,737
#7 Micron Technology, Inc. 3,107
#8 Globalfoundries Inc. 2,756
#9 Infineon Technologies Ag 2,127
#10 United Microelectronics Corp. 1,985
#11 Texas Instruments Incorporated 1,812
#12 SK Hynix Inc. 1,653
#13 Semiconductor Energy Laboratory Co., Ltd. 1,630
#14 BOE Technology Group Co., Ltd. 1,578
#15 Renesas Electronics Corporation 1,542
#16 Kabushiki Kaisha Toshiba 1,532
#17 Mitsubishi Electric Corporation 1,396
#18 Lam Research Corporation 1,341
#19 FUJI Electric Co., Ltd. 1,285
#20 Nichia Corporation 1,186

About This Class

CPC subclass H01L belongs to class H01.

165,178 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 H01L 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 H01L assignees by class footprint. Bubble size = patents in H01L. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Top 14 H01L assignees by class footprint. Bubble size = patents in H01L. Source: USPTO PatentsView (claim depth is company-wide across all classes). Scatter plot of 14 data points (bubble-sized by third dimension). 10121416182022 0500010000150002000025000 Patents in H01L Avg claims / patent (company-wide) Taiwan Semiconductor…SamsungInternational Busines…Applied MaterialsIntelTokyo ElectronMicron TechnologyGlobalfoundriesInfineonUnited Microelectroni…Texas Instruments Inc…Sk hynixSemiconductor Energy…Boe Technology Group
Top 14 H01L assignees by class footprint. Bubble size = patents in H01L. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Frequently Asked Questions

What is CPC class H01L?
CPC subclass H01L covers SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10. It belongs to CPC class H01 (ELECTRIC ELEMENTS), with 165,178 US utility patents granted since 2015.
How many patents have been filed in H01L?
165,178 US utility patents were granted in CPC subclass H01L between 2015 and 2025, based on USPTO PatentsView data.
Which company holds the most patents in H01L?
Taiwan Semiconductor Manufacturing Company Ltd. leads H01L with 19,657 patents, making it the most active assignee in this technology area.
How is patent data for H01L 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., H01) is a broad technology category. Subclasses like H01L 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.