Where does Silicon Motion, Inc. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Silicon Motion, Inc. ranks #490 of 49,997 assignees by granted-patent volume, the same sort as the companies listing and top-holders ranking. See /methodology/#corpus-placement.

How many patents does Silicon Motion, Inc. hold?

Silicon Motion, Inc. holds 910 US utility patents granted between 2015 and 2025, spanning 31 technology areas.

What is Silicon Motion, Inc.'s Innovation Score?

Silicon Motion, Inc. has an Innovation Score of 58.3 out of 100 (top 5% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Silicon Motion, Inc. focus on?

Silicon Motion, Inc.'s top technology area is G06F (Electric Digital Data Processing) with 820 patents. Grants appear in 31 CPC subclasses total.

Is Silicon Motion, Inc.'s patent grant rate increasing or decreasing?

Silicon Motion, Inc.'s recent grant velocity is +71% compared to the prior five-year period (grant years, not application filing dates). This indicates accelerating grant output.

What does claim depth mean for Silicon Motion, Inc.'s patents?

Silicon Motion, Inc.'s patents average 14.9 claims each. This is an aggregate descriptive count from the grant record; it does not establish claim scope, legal strength, enforceability, or design-around risk.

How is the Silicon Motion, Inc. patent data sourced?

All patent data comes from USPTO PatentsView, a public research dataset maintained by the United States Patent and Trademark Office covering US granted utility patents from 2015 to 2025.

USPTO 2015–2025 USPTO PatentsView Foreign Corporation

Silicon Motion, Inc.

USPTO PatentsView assignee record - 910 granted patents across 31 technology areas, recorded in grant years 2015–2025. Grant-trend analysis is cross-referenced to USPTO Patent Public Search; it does not measure application filings, current R&D, or legal strength. Primary class: G06F (Electric Digital Data Processing).

Compiled by PlainPatent · May 15, 2026

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Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Silicon ranks #490 of 49,997 tracked US assignees by granted-patent volume, with 910 patents across 31 technology areas.

#490
of 49,997 US assignees by volume: Top 5%
by Innovation Score (58.3/100): 14.9
avg claims per patent: +71%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R490 · Foreign Corporation #490 · 910 grants

GRANTS-MID · TOP-DECILE · PHOTO-FINISH · CPC-FOCUS · INNOV-PAR · CLAIMS-RICH · TYPE-FRNCORP · VEL-SURGE · BOOK-FULL

GRANTS-MID 910 grants
TOP-DECILE #490/49,997
PHOTO-FINISH Ofinno
CPC-FOCUS G06F · 31 areas
INNOV-PAR 58.3/100
CLAIMS-RICH 14.9 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-SURGE +71% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Ofinno, LLC (±1 grants)

Instrument codes from this assignee’s USPTO PatentsView grant sheet: volume band, corpus rank, photo-finish peer, lead CPC, Innovation Score, claim depth, assignee type, velocity, and book completeness. Not a USPTO rating of patent strength.

Qualcomm Incorporated · highest

85
GE-Hitachi Nuclear… · near

58
Johnson & Johnson… · near

58
Kansas State… · near

58
Kautex Textron & KG · near

58
Silicon Motion · this assignee

58
3D Lighting… · lowest

7

What this shows Silicon's Innovation Score is 58.3/100 (top 5% of the PatentsView-derived corpus). The chart places that score against the nearest Innovation Score peers plus corpus poles, not a reprint of the volume ranking.

Where Silicon's grants concentrate

Silicon Motion, Inc. is a focused PatentsView assignee: 31 CPC subclasses with 90.1% of grants classified under G06F (Electric Digital Data Processing). Peak complete grant year is 2020 (120 grants) versus a trough of 43 in 2015. By volume, Silicon sits between Maxell, Ltd. and Idemitsu Kosan Co., Ltd..

Silicon's three-year grant acceleration

From 2019–2021 to 2022–2024, Silicon Motion, Inc. moved from 319 to 295 grants (0.93x the prior three-year total, a multiple, not a CAGR). Among 3,296 tracked assignees with ≥100 grants and ≥20 prior-period grants, that multiple ranks #1,397. See the growth leaderboard.

Maxell

914
NSK

914
Research & Busine…

914
Ofinno

911
Silicon Motion ◀

910
Dyson Technology

908
Mcafee

906
Brunswick

905
Idemitsu Kosan

905

What this shows Silicon holds 910 patents at rank #490, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Silicon

By rank, the assignees closest to #490 in granted patent volume.

Leaders in G06F (Electric Digital Data Processing)

Other assignees with the most granted patents in Silicon's primary technology class.

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Silicon, neither rank-band nor same-CPC leaders (those blocks stay above).

Similar innovation score

Nearest assignees by Innovation Score (58 here).

Johnson & Johnson Consumer Inc. 58 GE-Hitachi Nuclear Energy Americas LLC 58 Kautex Textron GmbH & Co. KG 58 Kansas State University Research Foundation 58

Similar claim depth

Nearest assignees by average claims per patent (14.9 here).

Trend Micro Incorporated 14.9 avg General Electric Renovables Espana, S.L. 14.9 avg Dow Corning Toray Co., Ltd. 14.9 avg Transitions Optical, Ltd. 14.9 avg

Silicon's Innovation Score vs. every tracked assignee

Composite of portfolio volume, grant velocity, technology breadth, and claim depth (0–100)

58 Top 5% higher than 95% of 49,997 US assignees

Each bar is a band; taller bars hold more US assignees. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source USPTO PatentsView, PlainPatent Innovation Score · 2015–2025

USPTO utility patent grants by year · 2015–2025

Grants by year

Teal-shaded recent years (2020–present) versus the 2015–2019 baseline. Full figures in the table below.

View data table

Silicon Motion, Inc. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	43	4.7%
2016	50	5.5%
2017	63	6.9%
2018	66	7.3%
2019	86	9.5%
2020	120	13.2%
2021	113	12.4%
2022	115	12.6%
2023	88	9.7%
2024	92	10.1%
2025partial year	74	8.1%

Which technologies does Silicon Motion, Inc. patent most?

G06F - Electric Digital Data Processing 820

G11C - Static Stores 304

Y02D - Climate Change Mitigation Technologies IN Information AND Communication Technologies [ICT], I.E. Information AND Communication Technologies Aiming AT THE Reduction OF Their OWN Energy USE 105

H03M - CODING; DECODING; Code Conversion IN General 79

H04L - Transmission OF Digital Information, e.g. Telegraphic Communication 25

H03K - Pulse Technique 11

G01R - Measuring Electric VARIABLES; Measuring Magnetic Variables 11

G09G - Arrangements OR Circuits FOR Control OF Indicating Devices Using Static Means TO Present Variable Information 7

G05F - Systems FOR Regulating Electric OR Magnetic Variables 7

H04N - Pictorial Communication, e.g. Television 4

H05K - Printed CIRCUITS; Casings OR Constructional Details OF Electric APPARATUS; Manufacture OF Assemblages OF Electrical Components 3

H02J - Circuit Arrangements OR Systems FOR Supplying OR Distributing Electric POWER; Systems FOR Storing Electric Energy 3

A61N - ELECTROTHERAPY; MAGNETOTHERAPY; Radiation THERAPY; Ultrasound Therapy 3

G06K - Graphical Data Reading ; Presentation OF DATA; Record CARRIERS; Handling Record Carriers 2

G09C - Ciphering OR Deciphering Apparatus FOR Cryptographic OR Other Purposes Involving THE Need FOR Secrecy 2

Top 15 of 31 technology areas

Where it ranks

Overall rank by patents

#490

of 49,997 tracked assignees

Innovation Score

58.3 out of 100

View all rankings →

Data Source

USPTO PatentsView, US granted patents 2015–2025

How is Innovation Score calculated?

What to do with this data

Silicon Motion, Inc.'s patent record in context - here's where to go next.

Silicon Motion, Inc.'s lead technology class is G06F (Electric Digital Data Processing), 90.1% of its portfolio - see every assignee active in that class. Explore G06F
Ranked #490 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Silicon Motion, Inc. against Maxell, Ltd., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 58.3/100 blends volume, velocity, technology breadth, and claim depth. How it's calculated

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

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

Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the USPTO PatentsView database. Consult a qualified professional before making decisions based on this data.

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

Data sources used on this page

USPTO PatentsView - the disambiguated bulk patent-grant, assignee, and CPC data this page's figures are derived from. patentsview.org
Cooperative Patent Classification (CPC) - the joint USPTO/EPO classification scheme used to group patents by technology area. cooperativepatentclassification.org
USPTO Patent Public Search - the official interface to verify the status of any individual patent. ppubs.uspto.gov

Compiled by PlainPatent, US Patent Intelligence Editorial Process · May 15, 2026

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. Data current as of May 2026.