Where does Sion Power Corporation rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Sion Power Corporation ranks #2,831 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 Sion Power Corporation hold?

Sion Power Corporation holds 136 US utility patents granted between 2015 and 2025, spanning 22 technology areas.

What is Sion Power Corporation's Innovation Score?

Sion Power Corporation has an Innovation Score of 54.6 out of 100 (top 8% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Sion Power Corporation focus on?

Sion Power Corporation's top technology area is H01M (Processes OR Means, e.g. Batteries, FOR THE Direct Conversion OF Chemical Energy Into Electrical Energy) with 134 patents, ranking #58 of 2,332 assignees active in that subclass. Grants appear in 22 CPC subclasses total.

Is Sion Power Corporation's patent grant rate increasing or decreasing?

Sion Power Corporation's recent grant velocity is +29% compared to the prior five-year period (grant years, not application filing dates). The company is maintaining or growing its granted-patent output.

What does claim depth mean for Sion Power Corporation's patents?

Sion Power Corporation's patents average 22.5 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 Sion Power Corporation 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

Sion Power Corporation

USPTO PatentsView assignee record - 136 granted patents across 22 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: 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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The verdict

According to USPTO PatentsView, Sion ranks #2,831 of 49,997 tracked US assignees by granted-patent volume, with 136 patents across 22 technology areas.

#2,831
of 49,997 US assignees by volume: Top 8%
by Innovation Score (54.6/100): 22.5
avg claims per patent: +29%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R2831 · US Corporation #2,831 · 136 grants

GRANTS-MID · TOP-DECILE · PHOTO-FINISH · CPC-FOCUS · INNOV-PAR · CLAIMS-DENSE · TYPE-USCORP · VEL-UP · BOOK-FULL

GRANTS-MID 136 grants
TOP-DECILE #2,831/49,997
PHOTO-FINISH PlayNitride Display
CPC-FOCUS H01M · 22 areas
INNOV-PAR 54.6/100
CLAIMS-DENSE 22.5 claims/avg
TYPE-USCORP US Corporation
VEL-UP +29% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: PlayNitride Display Co., 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 Sion’s 54.6 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 17.0 pts (31%) Velocity 7.5 pts (14%) Breadth 16.6 pts (30%) Claim depth 13.5 pts (25%)

Qualcomm Incorporated · highest

85
Access Business… · near

55
Asia Vital Component… · near

55
Pilz & KG · near

55
Sion Power · this assignee

55
Universita Degli… · near

55
3D Lighting… · lowest

7

What this shows Sion's Innovation Score is 54.6/100 (top 8% 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 Sion?

Each dot is one of Sion’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). Sion’s own 22.5 claims/patent is ABOVE the 13.5 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

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

Where Sion's grants concentrate

Sion Power Corporation is a focused PatentsView assignee: 22 CPC subclasses with 98.5% 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 2023 (19 grants) versus a trough of 5 in 2016. By volume, Sion sits between PlayNitride Display Co., Ltd. and Forum US, Inc..

Sion's three-year grant acceleration

From 2019–2021 to 2022–2024, Sion Power Corporation moved from 40 to 45 grants (1.13x 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 #913. See the growth leaderboard.

Playnitride Displ…

136
Shell USA

136
SK Chemicals

136
Syracuse Universi…

136
Taiho Pharmaceuti…

136
Sion Power ◀

136
Baylor University

135
Chemocentryx

135
Forum US

135

What this shows Sion holds 136 patents at rank #2,833, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Sion

By rank, the assignees closest to #2,833 in granted patent volume.

Leaders in H01M (Processes OR Means)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Sion, neither rank-band nor same-CPC leaders (those blocks stay above). In H01M (Processes OR Means), Sion ranks #58 of 2,332 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (55 here).

Pilz GmbH & Co. KG 55 Universita Degli Studi DI Palermo 55 Access Business Group International LLC 55 Asia Vital Components (CHINA) Co., Ltd. 55

Similar claim depth

Nearest assignees by average claims per patent (22.5 here).

Mbit Wireless, Inc. 22.5 avg Taris Biomedical LLC 22.4 avg Cylance Inc. 22.4 avg NthDegree Technologies Worldwide Inc 22.4 avg

Sion's Innovation Score vs. every tracked assignee

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

55 Top 8% higher than 92% 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

Sion Power Corporation patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	12	8.8%
2016	5	3.7%
2017	16	11.8%
2018	10	7.4%
2019	13	9.6%
2020	13	9.6%
2021	14	10.3%
2022	12	8.8%
2023	19	14.0%
2024	14	10.3%
2025partial year	8	5.9%

Which technologies does Sion Power Corporation patent most?

H01M - Processes OR Means, e.g. Batteries, FOR THE Direct Conversion OF Chemical Energy Into Electrical Energy 134

Y02E - Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution 127

Y02P - Climate Change Mitigation Technologies IN THE Production OR Processing OF Goods 56

H02J - Circuit Arrangements OR Systems FOR Supplying OR Distributing Electric POWER; Systems FOR Storing Electric Energy 10

Y10T - Technical Subjects Covered BY Former US Classification 7

Y02T - Climate Change Mitigation Technologies Related TO Transportation 6

C07D - Heterocyclic Compounds 5

C07C - Acyclic OR Carbocyclic Compounds 5

C25B - Electrolytic OR Electrophoretic Processes FOR THE Production OF Compounds OR NON-METALS; Apparatus Therefor 5

B05D - Processes FOR Applying Fluent Materials TO Surfaces, IN General 3

C08J - WORKING-UP; General Processes OF COMPOUNDING; After-treatment NOT Covered BY Subclasses C08b, C08c, C08f, C08g or C08h 3

C23C - Coating Metallic MATERIAL; Coating Material With Metallic MATERIAL; Surface Treatment OF Metallic Material BY Diffusion Into THE Surface, BY Chemical Conversion OR SUBSTITUTION; Coating BY Vacuum Evaporation, BY Sputtering, BY ION Implantation OR BY Chemical Vapour Deposition, IN General 3

B32B - Layered Products, i.e. Products Built-up OF Strata OF Flat OR Non-flat, e.g. Cellular OR Honeycomb, Form 2

C01B - Non-metallic ELEMENTS; Compounds THEREOF; ; Metalloids OR Compounds Thereof NOT Covered BY Subclass C01c 2

C01P - Indexing Scheme Relating TO Structural AND Physical Aspects OF Solid Inorganic Compounds 2

Top 15 of 22 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

Sion Power Corporation's patent record in context - here's where to go next.

Sion Power Corporation's lead technology class is H01M (Processes OR Means, e.g. Batteries, FOR THE Direct Conversion OF Chemical Energy Into Electrical Energy), 98.5% of its portfolio - see every assignee active in that class. Explore H01M
Ranked #2,831 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Sion Power Corporation against PlayNitride Display Co., Ltd., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 54.6/100 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.