Where does Shenzhen Liown Electronics Company Ltd. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Shenzhen Liown Electronics Company Ltd. ranks #30,103 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 Shenzhen Liown Electronics Company Ltd. hold?

Shenzhen Liown Electronics Company Ltd. holds 9 US utility patents granted between 2015 and 2017, spanning 12 technology areas.

What is Shenzhen Liown Electronics Company Ltd.'s Innovation Score?

Shenzhen Liown Electronics Company Ltd. has an Innovation Score of 34.4 out of 100 (48th percentile of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Shenzhen Liown Electronics Company Ltd.'s patent grant rate increasing or decreasing?

Shenzhen Liown Electronics Company Ltd.'s recent grant velocity is -100% 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 Shenzhen Liown Electronics Company Ltd.'s patents?

Shenzhen Liown Electronics Company Ltd.'s patents average 23.7 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 Shenzhen Liown Electronics Company 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

Shenzhen Liown Electronics Company Ltd.

Q: What technology areas does Shenzhen Liown Electronics Company Ltd. focus on?

Shenzhen Liown Electronics Company Ltd.'s top technology area is H05B (Electric HEATING; Electric Light Sources NOT Otherwise Provided FOR; Circuit Arrangements FOR Electric Light Sources, IN General) with 9 patents. Grants appear in 12 CPC subclasses total.

USPTO PatentsView assignee record - 9 granted patents across 12 technology areas, recorded in grant years 2015–2017. 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: H05B (Electric HEATING; Electric Light Sources NOT Otherwise Provided FOR; Circuit Arrangements FOR Electric Light Sources, IN General).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Shenzhen ranks #30,103 of 49,997 tracked US assignees by granted-patent volume, with 9 patents across 12 technology areas.

#30,103
of 49,997 US assignees by volume: 48th percentile
by Innovation Score (34.4/100): 23.7
avg claims per patent: -100%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R30103 · Foreign Corporation #30,103 · 9 grants

GRANTS-MICRO · MID-PACK · PHOTO-FINISH · CPC-FOCUS · INNOV-THIN · CLAIMS-DENSE · TYPE-FRNCORP · VEL-DROP · BOOK-FULL

GRANTS-MICRO 9 grants
MID-PACK #30,103/49,997
PHOTO-FINISH Shenzhen Hastech…
CPC-FOCUS H05B · 12 areas
INNOV-THIN 34.4/100
CLAIMS-DENSE 23.7 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DROP -100% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Shenzhen Hastech Industries 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.

Qualcomm Incorporated · highest

85
Shenzhen Liown · this assignee

34
3D Lighting… · lowest

7

What this shows Shenzhen's Innovation Score is 34.4/100 (48th 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.

Where Shenzhen's grants concentrate

Shenzhen Liown Electronics Company Ltd. is a focused PatentsView assignee: 12 CPC subclasses with 100% of grants classified under H05B (Electric HEATING; Electric Light Sources NOT Otherwise Provided FOR; Circuit Arrangements FOR Electric Light Sources, IN General). Peak complete grant year is 2016 (5 grants) versus a trough of 1 in 2015. By volume, Shenzhen sits between Shenzhen Hastech Industries Co., Ltd and Shenzhen Sitelai Technology Co., Ltd..

Shenzhen Hastech…

9
Shenzhen Hollylan…

9
Shenzhen Huipin D…

9
Shenzhen Launch S…

9
Shenzhen Maotewan…

9
Shenzhen Meidong…

9
Shenzhen Qishi Te…

9
Shenzhen Sitelai…

9
Shenzhen Liown ◀

9

What this shows Shenzhen holds 9 patents at rank #30,026, 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 #30,026 in granted patent volume.

Leaders in H05B (Electric Heating)

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

Shenzhen's Innovation Score vs. every tracked assignee

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

34 48th percentile higher than 48% 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 · 2015–2017

Grants by year

Teal-shaded recent years (2020–present) versus the 2015–2019 baseline. Full figures in the table below.

View data table

Shenzhen Liown Electronics Company Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	1	11.1%
2016	5	55.6%
2017	3	33.3%

Which technologies does Shenzhen Liown Electronics Company Ltd. patent most?

H05B - Electric HEATING; Electric Light Sources NOT Otherwise Provided FOR; Circuit Arrangements FOR Electric Light Sources, IN General 9

F21S - Non-portable Lighting DEVICES; Systems THEREOF; Vehicle Lighting Devices Specially Adapted FOR Vehicle Exteriors 9

F21V - Functional Features OR Details OF Lighting Devices OR Systems THEREOF; Structural Combinations OF Lighting Devices With Other Articles, NOT Otherwise Provided FOR 9

F21Y - Indexing Scheme Associated With Subclasses F21k, F21l, F21s and F21v, Relating TO THE Form OR THE Kind OF THE Light Sources OR OF THE Colour OF THE Light Emitted 9

Y10S - Technical Subjects Covered BY Former Uspc Cross-reference ART Collections [XRACs] AND Digests 9

F21W - Indexing Scheme Associated With Subclasses F21k, F21l, F21s and F21v, Relating TO Uses OR Applications OF Lighting Devices OR Systems 9

H01F - MAGNETS; INDUCTANCES; TRANSFORMERS; Selection OF Materials FOR Their Magnetic Properties 7

F21K - Non-electric Light Sources Using LUMINESCENCE; Light Sources Using ELECTROCHEMILUMINESCENCE; Light Sources Using Charges OF Combustible MATERIAL; Light Sources Using Semiconductor Devices AS Light-generating ELEMENTS; Light Sources NOT Otherwise Provided FOR 7

Y02B - Climate Change Mitigation Technologies Related TO Buildings, e.g. Housing, House Appliances OR Related End-user Applications 7

Y10T - Technical Subjects Covered BY Former US Classification 7

H02J - Circuit Arrangements OR Systems FOR Supplying OR Distributing Electric POWER; Systems FOR Storing Electric Energy 2

F21L - Lighting Devices OR Systems Thereof, Being Portable OR Specially Adapted FOR Transportation 2

Top 12 of 12 technology areas

Where it ranks

Overall rank by patents

#30,103

of 49,997 tracked assignees

Innovation Score

34.4 out of 100

View all rankings →

Data Source

USPTO PatentsView, US granted patents 2015–2025

How is Innovation Score calculated?

What to do with this data

Shenzhen Liown Electronics Company Ltd.'s patent record in context - here's where to go next.

Shenzhen Liown Electronics Company Ltd.'s lead technology class is H05B (Electric HEATING; Electric Light Sources NOT Otherwise Provided FOR; Circuit Arrangements FOR Electric Light Sources, IN General), 100% of its portfolio - see every assignee active in that class. Explore H05B
Ranked #30,103 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Shenzhen Liown Electronics Company Ltd. against Shenzhen Hastech Industries Co., Ltd, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 34.4/100 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.