Where does Rambus Inc. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Rambus Inc. ranks #261 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 Rambus Inc. hold?

Rambus Inc. holds 1,626 US utility patents granted between 2015 and 2025, spanning 51 technology areas.

What is Rambus Inc.'s Innovation Score?

Rambus Inc. has an Innovation Score of 68.5 out of 100 (top 1% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Rambus Inc. focus on?

Rambus Inc.'s top technology area is G06F (Electric Digital Data Processing) with 966 patents, ranking #80 of 13,878 assignees active in that subclass. Grants appear in 51 CPC subclasses total.

Is Rambus Inc.'s patent grant rate increasing or decreasing?

Rambus Inc.'s recent grant velocity is -7% compared to the prior five-year period (grant years, not application filing dates). Grant activity has slowed relative to earlier years.

What does claim depth mean for Rambus Inc.'s patents?

Rambus Inc.'s patents average 19.6 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 Rambus 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 US Corporation

Rambus Inc.

USPTO PatentsView assignee record - 1,626 granted patents across 51 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, Rambus ranks #261 of 49,997 tracked US assignees by granted-patent volume, with 1,626 patents across 51 technology areas.

#261
of 49,997 US assignees by volume: Top 1%
by Innovation Score (68.5/100): 19.6
avg claims per patent: -7%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R261 · US Corporation #261 · 1,626 grants

GRANTS-LARGE · TOP-DECILE · PHOTO-FINISH · CPC-WIDE · INNOV-STRONG · CLAIMS-RICH · TYPE-USCORP · VEL-FLAT · BOOK-FULL

GRANTS-LARGE 1.6K grants
TOP-DECILE #261/49,997
PHOTO-FINISH NGK Insulators
CPC-WIDE G06F · 51 areas
INNOV-STRONG 68.5/100
CLAIMS-RICH 19.6 claims/avg
TYPE-USCORP US Corporation
VEL-FLAT -7% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: NGK Insulators, Ltd. (±5 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.

How Rambus’s 68.5 Innovation Score adds up

The same four weighted components behind every Innovation Score on PlainPatent: portfolio volume, grant velocity, technology breadth, and claim depth.

Volume 25.5 pts (37%) Velocity 6.2 pts (9%) Breadth 25.0 pts (37%) Claim depth 11.7 pts (17%)

Qualcomm Incorporated · highest

85
Globus Medical · near

69
Quantum-Si Incorpora… · near

69
Rambus · this assignee

68
Cochlear · near

68
Ningbo Geely… · near

68
3D Lighting… · lowest

7

What this shows Rambus's Innovation Score is 68.5/100 (top 1% 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.

Does more volume mean deeper claims for Rambus?

Each dot is one of Rambus’s 8 nearest volume peers (same corpus rank neighbourhood as the chart above), placed by total granted patents (horizontal) against average claims per patent (vertical). Rambus’s own 19.6 claims/patent is ABOVE the 14.3 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

Rambus vs its 8 nearest volume peers: granted patents vs average claims per patent. Source: USPTO PatentsView.

How Rambus's grant cadence moved

Between 2020–2024, Rambus Inc. received 728 grants versus 784 in 2015–2019 (-7% equal-window velocity, above median growth). Across complete PatentsView years, output peaked in 2016 at 169 grants and bottomed in 2018 at 125. Lead class G06F accounts for 59.4% of the portfolio across 51 subclasses. Volume neighbours: Pure Storage, Inc. (#257) and Ecolab USA Inc. (#265).

Rambus's three-year grant acceleration

From 2019–2021 to 2022–2024, Rambus Inc. moved from 463 to 430 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 #1,388. See the growth leaderboard.

Pure Storage

1,652
Infineon Austria

1,650
Au Optronics

1,648
NGK Insulators

1,631
Rambus ◀

1,626
Stryker

1,619
Lenovo (Beijing)

1,618
Hamamatsu Photoni…

1,615
Ecolab USA

1,610

What this shows Rambus holds 1,626 patents at rank #261, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Rambus

By rank, the assignees closest to #261 in granted patent volume.

Leaders in G06F (Electric Digital Data Processing)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Rambus, neither rank-band nor same-CPC leaders (those blocks stay above). In G06F (Electric Digital Data Processing), Rambus ranks #80 of 13,878 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (68 here).

Cochlear Limited 68 Ningbo Geely Automobile Research & Dev. Co., Ltd. 68 Globus Medical, Inc. 69 Quantum-Si Incorporated 69

Similar claim depth

Nearest assignees by average claims per patent (19.6 here).

Itron, Inc. 19.6 avg Netskope, Inc. 19.6 avg Riddell, Inc. 19.6 avg Insight Direct USA, Inc. 19.6 avg

Rambus's Innovation Score vs. every tracked assignee

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

68 Top 1% higher than 99% 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

Rambus Inc. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	164	10.1%
2016	169	10.4%
2017	161	9.9%
2018	125	7.7%
2019	165	10.1%
2020	168	10.3%
2021	130	8.0%
2022	133	8.2%
2023	162	10.0%
2024	135	8.3%
2025partial year	114	7.0%

Which technologies does Rambus Inc. patent most?

G06F - Electric Digital Data Processing 966

G11C - Static Stores 839

H04L - Transmission OF Digital Information, e.g. Telegraphic Communication 410

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 249

H03K - Pulse Technique 177

H01L - Semiconductor Devices NOT Covered BY Class H10 137

H03L - Automatic Control, Starting, Synchronisation OR Stabilisation OF Generators OF Electronic Oscillations OR Pulses 121

H04B - Transmission 109

H03M - CODING; DECODING; Code Conversion IN General 85

H04N - Pictorial Communication, e.g. Television 72

G01R - Measuring Electric VARIABLES; Measuring Magnetic Variables 48

H10F - Inorganic Semiconductor Devices Sensitive TO Infrared Radiation, Light, Electromagnetic Radiation OF Shorter Wavelength OR Corpuscular Radiation 32

G02B - Optical Elements, Systems OR Apparatus 31

H10D - Inorganic Electric Semiconductor Devices 25

H05K - Printed CIRCUITS; Casings OR Constructional Details OF Electric APPARATUS; Manufacture OF Assemblages OF Electrical Components 24

Top 15 of 51 technology areas

More on this record

Data Source

USPTO PatentsView, US granted patents 2015–2025

View all rankings → How is Innovation Score calculated?

What to do with this data

Rambus Inc.'s patent record in context - here's where to go next.

Rambus Inc.'s lead technology class is G06F (Electric Digital Data Processing), 59.4% of its portfolio - see every assignee active in that class. Explore G06F
Ranked #261 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Rambus Inc. against Pure Storage, Inc., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 68.5/100 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.