Where does Ampcera Inc. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Ampcera Inc. ranks #23,854 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 Ampcera Inc. hold?

Ampcera Inc. holds 11 US utility patents granted between 2021 and 2025, spanning 12 technology areas.

What is Ampcera Inc.'s Innovation Score?

Ampcera Inc. has an Innovation Score of 52.1 out of 100 (top 11% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Ampcera Inc. focus on?

Ampcera Inc.'s top technology area is H01M (Processes OR Means, e.g. Batteries, FOR THE Direct Conversion OF Chemical Energy Into Electrical Energy) with 11 patents, ranking #489 of 2,332 assignees active in that subclass. Grants appear in 12 CPC subclasses total.

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

Insufficient historical data is available to calculate a velocity trend for Ampcera Inc..

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

Ampcera Inc.'s patents average 18.7 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 Ampcera 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

Ampcera Inc.

USPTO PatentsView assignee record - 11 granted patents across 12 technology areas, recorded in grant years 2021–2025. 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: H01M (Processes OR Means, e.g. Batteries, FOR THE Direct Conversion OF Chemical Energy Into Electrical Energy).

Compiled by PlainPatent · May 15, 2026

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Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Ampcera ranks #23,854 of 49,997 tracked US assignees by granted-patent volume, with 11 patents across 12 technology areas.

#23,854
of 49,997 US assignees by volume: Top 11%
by Innovation Score (52.1/100): 18.7
avg claims per patent

USPTO PatentsView assignee plate

Corpus R23854 · US Corporation #23,854 · 11 grants

GRANTS-MICRO · MID-PACK · PHOTO-FINISH · CPC-FOCUS · INNOV-PAR · CLAIMS-RICH · TYPE-USCORP · SPAN-YRS · BOOK-RICH

GRANTS-MICRO 11 grants
MID-PACK #23,854/49,997
PHOTO-FINISH Alvarion
CPC-FOCUS H01M · 12 areas
INNOV-PAR 52.1/100
CLAIMS-RICH 18.7 claims/avg
TYPE-USCORP US Corporation
SPAN-YRS 2021–2025 · 5y
BOOK-RICH 9/10 fields

Nearest grant-volume peer: Alvarion Ltd. (±0 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 Ampcera’s 52.1 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 8.6 pts (17%) Velocity 20.0 pts (38%) Breadth 12.2 pts (23%) Claim depth 11.2 pts (22%)

Qualcomm Incorporated · highest

85
Ampcera · this assignee

52
3D Lighting… · lowest

7

What this shows Ampcera's Innovation Score is 52.1/100 (top 11% 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 Ampcera?

Each dot is one of Ampcera’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). Ampcera’s own 18.7 claims/patent is ABOVE the 12.0 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

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

Where Ampcera's grants concentrate

Ampcera Inc. is a focused PatentsView assignee: 12 CPC subclasses with 100% of grants classified under H01M (Processes OR Means, e.g. Batteries, FOR THE Direct Conversion OF Chemical Energy Into Electrical Energy). Peak complete grant year is 2024 (5 grants) versus a trough of 1 in 2021. By volume, Ampcera sits between Alvarion Ltd. and Ansun Biopharma, Inc..

Ampcera's three-year grant acceleration

Ampcera Inc. shows 8 grants in 2022–2024 against only 1 in 2019–2021. That prior window is too thin for a growth multiple (rename and spin-out assignees look artificially high when the baseline is near zero), so PlainPatent withholds a ranked acceleration claim here.

Alvarion

11
American Woodmark…

11
Amina

11
Ampthink

11
Amplidata

11
Angel Armor

11
Anhui Huami Healt…

11
Ansun Biopharma

11
Ampcera ◀

11

What this shows Ampcera holds 11 patents at rank #23,908, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Ampcera

By rank, the assignees closest to #23,908 in granted patent volume.

Leaders in H01M (Processes OR Means)

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

Ampcera's Innovation Score vs. every tracked assignee

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

52 Top 11% higher than 89% 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 · 2021–2025

Grants by year

Teal-shaded recent years (2020–present) versus the 2021–2019 baseline. Full figures in the table below.

View data table

Ampcera Inc. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2021	1	9.1%
2023	3	27.3%
2024	5	45.5%
2025partial year	2	18.2%

Which technologies does Ampcera Inc. patent most?

H01M - Processes OR Means, e.g. Batteries, FOR THE Direct Conversion OF Chemical Energy Into Electrical Energy 11

Y02E - Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution 6

B05D - Processes FOR Applying Fluent Materials TO Surfaces, IN General 2

B01D - Separation 2

C01G - Compounds Containing Metals NOT Covered BY Subclasses C01d OR C01f 2

Y02W - Climate Change Mitigation Technologies Related TO Wastewater Treatment OR Waste Management 2

H01B - CABLES; CONDUCTORS; INSULATORS; Selection OF Materials FOR Their Conductive, Insulating OR Dielectric Properties 1

C08J - WORKING-UP; General Processes OF COMPOUNDING; After-treatment NOT Covered BY Subclasses C08b, C08c, C08f, C08g or C08h 1

C22B - Production AND Refining OF Metals ; Pretreatment OF RAW Materials 1

B65B - Machines, Apparatus OR Devices FOR, OR Methods OF, Packaging Articles OR MATERIALS; Unpacking 1

B65D - Containers FOR Storage OR Transport OF Articles OR Materials, e.g. Bags, Barrels, Bottles, Boxes, Cans, Cartons, Crates, Drums, Jars, Tanks, Hoppers, Forwarding CONTAINERS; Accessories, Closures, OR Fittings THEREFOR; Packaging ELEMENTS; Packages 1

H01G - CAPACITORS; Capacitors, Rectifiers, Detectors, Switching Devices, Light-sensitive OR Temperature-sensitive Devices OF THE Electrolytic Type 1

Top 12 of 12 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

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

Ampcera Inc.'s lead technology class is H01M (Processes OR Means, e.g. Batteries, FOR THE Direct Conversion OF Chemical Energy Into Electrical Energy), 100% of its portfolio - see every assignee active in that class. Explore H01M
Ranked #23,854 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Ampcera Inc. against Alvarion Ltd., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 52.1/100 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.