Shenzhen Voxtech Co., Ltd.
USPTO PatentsView assignee record - 41 granted patents across 9 technology areas, recorded in grant years 2015–2023. 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: H04R (Loudspeakers, Microphones, Gramophone Pick-ups OR Like Acoustic Electromechanical TRANSDUCERS; Deaf-aid SETS; Public Address Systems).
The verdict
According to USPTO PatentsView, Shenzhen ranks #7,926 of 49,997 tracked US assignees by granted-patent volume, with 41 patents across 9 technology areas.
- #7,926
- of 49,997 US assignees by volume
- 38th percentile
- by Innovation Score (31.6/100)
- 12.7
- avg claims per patent
- +142%
- grant velocity, last 5 yrs
USPTO PatentsView assignee plate
Corpus R7926 · Foreign Corporation #7,926 · 41 grants
GRANTS-SMALL · UPPER-Q · PHOTO-FINISH · CPC-NARROW · INNOV-THIN · CLAIMS-RICH · TYPE-FRNCORP · VEL-SURGE · BOOK-FULL
- GRANTS-SMALL 41 grants
- UPPER-Q #7,926/49,997
- PHOTO-FINISH Safran Power Units
- CPC-NARROW H04R · 9 areas
- INNOV-THIN 31.6/100
- CLAIMS-RICH 12.7 claims/avg
- TYPE-FRNCORP Foreign Corp
- VEL-SURGE +142% vel
- BOOK-FULL 10/10 fields
Nearest grant-volume peer: Safran Power Units (±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 Shenzhen’s 31.6 Innovation Score adds up
The same four weighted components behind every Innovation Score on PlainPatent: portfolio volume, grant velocity, technology breadth, and claim depth.
Innovation-score neighbourhood around Shenzhen
Lowest and highest poles plus nearest Innovation Score peers, not a full corpus board reprint.
- Qualcomm Incorporated · highest
Qualcomm Incorporated · highest
85 score
- U S Nutraceuticals · near 32
U S Nutraceuticals · near
32 score
- Fabrication Elcargo · near 32
Fabrication Elcargo · near
32 score
- Shenzhen Voxtech · this assignee 32
Shenzhen Voxtech · this assignee
32 score
- Vibracoustic · near 32
Vibracoustic · near
32 score
- EBI · near 32
EBI · near
32 score
- 3D Lighting… · lowest 7
3D Lighting… · lowest
7 score
What this shows Shenzhen's Innovation Score is 31.6/100 (38th 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 Shenzhen?
Each dot is one of Shenzhen’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). Shenzhen’s own 12.7 claims/patent is ABOVE the 12.6 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.
Where Shenzhen's grants concentrate
Shenzhen Voxtech Co., Ltd. is a focused PatentsView assignee: 9 CPC subclasses with 61% of grants classified under H04R (Loudspeakers, Microphones, Gramophone Pick-ups OR Like Acoustic Electromechanical TRANSDUCERS; Deaf-aid SETS; Public Address Systems). Peak complete grant year is 2021 (21 grants) versus a trough of 1 in 2015. By volume, Shenzhen sits between Safran Power Units and Solidia Technologies, Inc..
Shenzhen's three-year grant acceleration
From 2019–2021 to 2022–2024, Shenzhen Voxtech Co., Ltd. moved from 31 to 2 grants (0.07x the prior three-year total, a multiple, not a CAGR). See the growth leaderboard.
Who files at Shenzhen's volume?
Granted US patents 2015–2025 versus its nearest-ranked assignees by volume, this company marked ◀
- Safran Power Units
Safran Power Units
41 patents
- Sasol Technology…
Sasol Technology Proprietary Limited
41 patents
- Sciocs
Sciocs Company Limited
41 patents
- Sekisui Polymatech
Sekisui Polymatech Co., Ltd.
41 patents
- Shya Hsin Packagi…
Shya Hsin Packaging Industry (CHINA) Co., Ltd.
41 patents
- SK keyfoundry
SK keyfoundry Inc.
41 patents
- SLM Solutions Gro…
SLM Solutions Group AG
41 patents
- Solidia
Solidia Technologies, Inc.
41 patents
- Shenzhen Voxtech ◀
Shenzhen Voxtech Co., Ltd.
41 patents
What this shows Shenzhen holds 41 patents at rank #7,922, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.
Companies ranked near Shenzhen
By rank, the assignees closest to #7,922 in granted patent volume.
- Safran Power Units #7,918 · 41 patents
- Sasol Technology Proprietary Limited #7,919 · 41 patents
- Sciocs Company Limited #7,920 · 41 patents
- Sekisui Polymatech Co., Ltd. #7,921 · 41 patents
- Shya Hsin Packaging Industry (CHINA) Co., Ltd. #7,923 · 41 patents
- SK keyfoundry Inc. #7,924 · 41 patents
- SLM Solutions Group AG #7,925 · 41 patents
- Solidia Technologies, Inc. #7,926 · 41 patents
Leaders in H04R (Loudspeakers)
Other assignees with the most granted patents in Shenzhen's primary technology class.
Assignees with similar portfolio profiles
Two PlainPatent-derived peer sets for Shenzhen, neither rank-band nor same-CPC leaders (those blocks stay above). In H04R (Loudspeakers), Shenzhen ranks #113 of 1,513 assignees by patent count in that subclass.
Similar innovation score
Nearest assignees by Innovation Score (32 here).
Shenzhen's Innovation Score vs. every tracked assignee
Composite of portfolio volume, grant velocity, technology breadth, and claim depth (0–100)
32 38th percentile higher than 38% 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
Grants by year
Teal-shaded recent years (2020–present) versus the 2015–2019 baseline. Full figures in the table below.
View data table
| Year | Patents Granted | Share of Period |
|---|---|---|
| 2015 | 1 | 2.4% |
| 2016 | 1 | 2.4% |
| 2017 | 3 | 7.3% |
| 2018 | 3 | 7.3% |
| 2019 | 4 | 9.8% |
| 2020 | 6 | 14.6% |
| 2021 | 21 | 51.2% |
| 2022 | 1 | 2.4% |
| 2023 | 1 | 2.4% |
Which technologies does Shenzhen Voxtech Co., Ltd. patent most?
Top 9 of 9 technology areas
Data Source
USPTO PatentsView, US granted patents 2015–2025
What to do with this data
Shenzhen Voxtech Co., Ltd.'s patent record in context - here's where to go next.
- Shenzhen Voxtech Co., Ltd.'s lead technology class is H04R (Loudspeakers, Microphones, Gramophone Pick-ups OR Like Acoustic Electromechanical TRANSDUCERS; Deaf-aid SETS; Public Address Systems), 61% of its portfolio - see every assignee active in that class. Explore H04R
- Ranked #7,926 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
- Compare Shenzhen Voxtech Co., Ltd. against Safran Power Units, an assignee filing at a similar volume. Compare portfolios
- Innovation Score of 31.6/100 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.
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.