Where does Powervoice Co., Ltd. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Powervoice Co., Ltd. ranks #49,706 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 Powervoice Co., Ltd. hold?

Powervoice Co., Ltd. holds 5 US utility patents granted between 2016 and 2021, spanning 6 technology areas.

What is Powervoice Co., Ltd.'s Innovation Score?

Powervoice Co., Ltd. has an Innovation Score of 22.5 out of 100 (10th percentile of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Powervoice Co., Ltd. focus on?

Powervoice Co., Ltd.'s top technology area is H04B (Transmission) with 4 patents, ranking #1,496 of 3,909 assignees active in that subclass. Grants appear in 6 CPC subclasses total.

Is Powervoice Co., Ltd.'s patent grant rate increasing or decreasing?

Powervoice Co., Ltd.'s recent grant velocity is -75% 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 Powervoice Co., Ltd.'s patents?

Powervoice Co., Ltd.'s patents average 12.8 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 Powervoice Co., Ltd. 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

Powervoice Co., Ltd.

USPTO PatentsView assignee record - 5 granted patents across 6 technology areas, recorded in grant years 2016–2021. 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: H04B (Transmission).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Powervoice ranks #49,706 of 49,997 tracked US assignees by granted-patent volume, with 5 patents across 6 technology areas.

#49,706
of 49,997 US assignees by volume: 10th percentile
by Innovation Score (22.5/100): 12.8
avg claims per patent: -75%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R49706 · Foreign Corporation #49,706 · 5 grants

GRANTS-MICRO · BOTTOM-DECILE · PHOTO-FINISH · CPC-NARROW · INNOV-THIN · CLAIMS-RICH · TYPE-FRNCORP · VEL-DROP · BOOK-FULL

GRANTS-MICRO 5 grants
BOTTOM-DECILE #49,706/49,997
PHOTO-FINISH POW Audio
CPC-NARROW H04B · 6 areas
INNOV-THIN 22.5/100
CLAIMS-RICH 12.8 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DROP -75% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: POW Audio Inc. (±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 Powervoice’s 22.5 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 6.2 pts (27%) Velocity 0.0 pts (0%) Breadth 8.7 pts (38%) Claim depth 7.7 pts (34%)

Qualcomm Incorporated · highest

85
Powervoice · this assignee

23
3D Lighting… · lowest

7

What this shows Powervoice's Innovation Score is 22.5/100 (10th percentile 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 Powervoice?

Each dot is one of Powervoice’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). Powervoice’s own 12.8 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.

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

Where Powervoice's grants concentrate

Powervoice Co., Ltd. is a focused PatentsView assignee: 6 CPC subclasses with 80% of grants classified under H04B (Transmission). Peak complete grant year is 2019 (2 grants) versus a trough of 1 in 2016. By volume, Powervoice sits between POW Audio Inc. and Pramet Tools, S.R.O..

POW Audio

5
Power Systems (PS)

5
Power Wave

5
Powertech

5
Powis Parker

5
PPG Europe B V

5
PPM Holdings

5
Pramet Tools S R O

5
Powervoice ◀

5

What this shows Powervoice holds 5 patents at rank #49,568, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Powervoice

By rank, the assignees closest to #49,568 in granted patent volume.

Leaders in H04B (Transmission)

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

Powervoice's Innovation Score vs. every tracked assignee

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

23 10th percentile higher than 10% 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 · 2016–2021

Grants by year

Teal-shaded recent years (2020–present) versus the 2016–2019 baseline. Full figures in the table below.

View data table

Powervoice Co., Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2016	1	20.0%
2017	1	20.0%
2019	2	40.0%
2021	1	20.0%

Which technologies does Powervoice Co., Ltd. patent most?

H04B - Transmission 4

G10L - Speech Analysis Techniques OR Speech SYNTHESIS; Speech RECOGNITION; Speech OR Voice Processing TECHNIQUES; Speech OR Audio Coding OR Decoding 3

G06F - Electric Digital Data Processing 2

G01S - Radio DIRECTION-FINDING; Radio NAVIGATION; Determining Distance OR Velocity BY USE OF Radio WAVES; Locating OR Presence-detecting BY USE OF THE Reflection OR Reradiation OF Radio WAVES; Analogous Arrangements Using Other Waves 1

G08C - Transmission Systems FOR Measured Values, Control OR Similar Signals 1

B60R - Vehicles, Vehicle Fittings, OR Vehicle Parts, NOT Otherwise Provided FOR 1

Top 6 of 6 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

Powervoice Co., Ltd.'s patent record in context - here's where to go next.

Powervoice Co., Ltd.'s lead technology class is H04B (Transmission), 80% of its portfolio - see every assignee active in that class. Explore H04B
Ranked #49,706 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Powervoice Co., Ltd. against POW Audio Inc., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 22.5/100 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.