PlainPatent

CPC technology class · H03

H03C - Modulation

Modulation. 490 US utility patents granted 2015–2025, with the leading assignees and year-by-year filing trajectory.

490
US patents granted
H03
Parent CPC class
20
Active assignees
-33%
5-yr velocity

The verdict

Modulation ranks #546 of 670 CPC technology areas - 490 US patents granted since 2015, with filing down 33% over five years.

#546
of 670 CPC technology areas
490
US patents granted, 2015–2025
ubeam
leading assignee (19)
-33%
filing velocity, last 5 yrs
Top assignee: Ubeam Inc. (19 patents)

CPC subclass H03C - MODULATION - covers 490 US utility patents granted between 2015 and 2025 according to USPTO PatentsView records, within the broader CPC class H03 (ELECTRONIC CIRCUITRY). See our CPC classification guide for how the system works.

The competitive landscape in H03C is shaped by 20 distinct companies actively filing in this space. Ubeam Inc. leads with 19 patents, followed by Parkervision, Inc. at 11 grants and Intel Mobile Communications Gmbh at 7.

Filing activity in H03C is down 33% over the past five years versus 2015-2019, a notable slowdown that may signal a maturing field. All counts come directly from USPTO PatentsView and reflect US granted utility patents only.

Is H03C innovation accelerating?

US utility-patent grants per year in H03C, 2015–2025 - recent five years are down 33% versus 2015–2019.

020406080 20152016201720182019202020212022202320242025 15

Who leads H03C?

The 12 most active assignees in MODULATION - wider bars mean more grants

patents

What this shows ubeam is the most active filer in H03C, holding 19 of the 490 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 H03C
Rank Company Patents in H03C
#1 Ubeam Inc. 19
#2 Parkervision, Inc. 11
#3 Intel Mobile Communications Gmbh 7
#4 Stichting IMEC Nederland 4
#5 Aviat U.s., Inc. 4
#6 The Alfred E. Mann Foundation For Scientific Research 4
#7 Innophase, Inc. 4
#8 ICOM Incorporated 3
#9 Beken Corporation 3
#10 Tensorcom, Inc. 3
#11 Sunrise Micro Devices, Inc. 3
#12 Stmicroelectronics Razvoj Polprevodnikov D.o.o. 3
#13 Stryker Combo L.l.c. 3
#14 Technology For Energy Corporation 3
#15 Blue Danube Systems, Inc. 2
#16 IXI Technology Holdings, Inc. 2
#17 Amirkabir University OF Technology 2
#18 Skaichips Co., Ltd. 2
#19 Cambridge Resonant Technologies Ltd. 2
#20 CPG Technologies, Llc 1

About This Class

CPC subclass H03C belongs to class H03.

490 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 H03C 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 H03C assignees by class footprint. Bubble size = patents in H03C. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Top 14 H03C assignees by class footprint. Bubble size = patents in H03C. Source: USPTO PatentsView (claim depth is company-wide across all classes). Scatter plot of 14 data points (bubble-sized by third dimension). 01020304050 05101520 Patents in H03C Avg claims / patent (company-wide) ubeamParkervisionIntel Mobile Communic…Stichting Imec Nederl…Aviat U SThe Alfred E Mann Fou…InnophaseIcom IncorporatedBekenTensorcomSunrise Micro DevicesStmicroelectronics Ra…Stryker Combo L L CTechnology for Energy
Top 14 H03C assignees by class footprint. Bubble size = patents in H03C. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Frequently Asked Questions

What is CPC class H03C?
CPC subclass H03C covers MODULATION. It belongs to CPC class H03 (ELECTRONIC CIRCUITRY), with 490 US utility patents granted since 2015.
How many patents have been filed in H03C?
490 US utility patents were granted in CPC subclass H03C between 2015 and 2025, based on USPTO PatentsView data.
Which company holds the most patents in H03C?
Ubeam Inc. leads H03C with 19 patents, making it the most active assignee in this technology area.
How is patent data for H03C 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., H03) is a broad technology category. Subclasses like H03C 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.