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

According to USPTO PatentsView (2015–2025 granted utility patents), XJ Electric Co., Ltd ranks #33,944 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 XJ Electric Co., Ltd hold?

XJ Electric Co., Ltd holds 8 US utility patents granted between 2017 and 2020, spanning 11 technology areas.

What is XJ Electric Co., Ltd's Innovation Score?

XJ Electric Co., Ltd has an Innovation Score of 23.1 out of 100 (11th 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 XJ Electric Co., Ltd focus on?

XJ Electric Co., Ltd's top technology area is H02H (Emergency Protective Circuit Arrangements) with 5 patents. Grants appear in 11 CPC subclasses total.

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

XJ Electric Co., Ltd's recent grant velocity is -40% 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 XJ Electric Co., Ltd's patents?

XJ Electric Co., Ltd's patents average 6.3 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 XJ Electric 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

XJ Electric Co., Ltd

USPTO PatentsView assignee record - 8 granted patents across 11 technology areas, recorded in grant years 2017–2020. 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: H02H (Emergency Protective Circuit Arrangements).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, XJ ranks #33,944 of 49,997 tracked US assignees by granted-patent volume, with 8 patents across 11 technology areas.

#33,944
of 49,997 US assignees by volume: 11th percentile
by Innovation Score (23.1/100): 6.3
avg claims per patent: -40%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R33944 · Foreign Corporation #33,944 · 8 grants

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

GRANTS-MICRO 8 grants
MID-PACK #33,944/49,997
PHOTO-FINISH Xiamen Pharmaceutical
CPC-FOCUS H02H · 11 areas
INNOV-THIN 23.1/100
CLAIMS-SPARSE 6.3 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DOWN -40% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Xiamen LP Pharmaceutical 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
XJ Electric · this assignee

23
3D Lighting… · lowest

7

What this shows XJ's Innovation Score is 23.1/100 (11th 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 XJ's grants concentrate

XJ Electric Co., Ltd is a focused PatentsView assignee: 11 CPC subclasses with 62.5% of grants classified under H02H (Emergency Protective Circuit Arrangements). Peak complete grant year is 2018 (3 grants) versus a trough of 1 in 2017. By volume, XJ sits between Xi'an Eswin Silicon Wafer Technology Co., Ltd. and Xyratex Technology LIMITED—A Seagate Company.

Xi'an Eswin Silic…

8
Xiamen Pharmaceut…

8
Xiamen Make Secur…

8
Xiamen UX High-sp…

8
Xovis

8
Xsens Holding B V

8
Xtant Medical Hol…

8
Xyratex Technolog…

8
XJ Electric ◀

8

What this shows XJ holds 8 patents at rank #33,918, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near XJ

By rank, the assignees closest to #33,918 in granted patent volume.

Leaders in H02H (Emergency Protective Circuit Arrangements)

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

XJ's Innovation Score vs. every tracked assignee

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

23 11th percentile higher than 11% 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 · 2017–2020

Grants by year

Teal-shaded recent years (2020–present) versus the 2017–2019 baseline. Full figures in the table below.

View data table

XJ Electric Co., Ltd patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2017	1	12.5%
2018	3	37.5%
2019	1	12.5%
2020	3	37.5%

Which technologies does XJ Electric Co., Ltd patent most?

H02H - Emergency Protective Circuit Arrangements 5

G01R - Measuring Electric VARIABLES; Measuring Magnetic Variables 2

G05B - Control OR Regulating Systems IN GENERAL; Functional Elements OF Such SYSTEMS; Monitoring OR Testing Arrangements FOR Such Systems OR Elements 1

G05F - Systems FOR Regulating Electric OR Magnetic Variables 1

Y04S - Systems Integrating Technologies Related TO Power Network Operation, Communication OR Information Technologies FOR Improving THE Electrical Power Generation, Transmission, Distribution, Management OR Usage, i.e. Smart Grids 1

H02J - Circuit Arrangements OR Systems FOR Supplying OR Distributing Electric POWER; Systems FOR Storing Electric Energy 1

G06F - Electric Digital Data Processing 1

H02M - Apparatus FOR Conversion Between AC AND AC, Between AC AND DC, OR Between DC AND DC, AND FOR USE With Mains OR Similar Power Supply SYSTEMS; Conversion OF DC OR AC Input Power Into Surge Output POWER; Control OR Regulation Thereof 1

H02B - Boards, Substations OR Switching Arrangements FOR THE Supply OR Distribution OF Electric Power 1

H01R - Electrically-conductive CONNECTIONS; Structural Associations OF A Plurality OF Mutually-insulated Electrical Connecting ELEMENTS; Coupling DEVICES; Current Collectors 1

H01H - Electric SWITCHES; RELAYS; SELECTORS; Emergency Protective Devices 1

Top 11 of 11 technology areas

Where it ranks

Overall rank by patents

#33,944

of 49,997 tracked assignees

Innovation Score

23.1 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

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

XJ Electric Co., Ltd's lead technology class is H02H (Emergency Protective Circuit Arrangements), 62.5% of its portfolio - see every assignee active in that class. Explore H02H
Ranked #33,944 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare XJ Electric Co., Ltd against Xi'an Eswin Silicon Wafer Technology Co., Ltd., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 23.1/100 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.