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

According to USPTO PatentsView (2015–2025 granted utility patents), Joulwatt Technology Co., Ltd. ranks #9,062 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 Joulwatt Technology Co., Ltd. hold?

Joulwatt Technology Co., Ltd. holds 35 US utility patents granted between 2017 and 2025, spanning 14 technology areas.

What is Joulwatt Technology Co., Ltd.'s Innovation Score?

Joulwatt Technology Co., Ltd. has an Innovation Score of 55.5 out of 100 (top 7% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

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

Joulwatt Technology Co., Ltd.'s recent grant velocity is +2100% compared to the prior five-year period (grant years, not application filing dates). This indicates accelerating grant output.

What does claim depth mean for Joulwatt Technology Co., Ltd.'s patents?

Joulwatt Technology Co., Ltd.'s patents average 16.5 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 Joulwatt Technology 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

Joulwatt Technology Co., Ltd.

Q: What technology areas does Joulwatt Technology Co., Ltd. focus on?

Joulwatt Technology Co., Ltd.'s top technology area is 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) with 18 patents, ranking #215 of 1,541 assignees active in that subclass. Grants appear in 14 CPC subclasses total.

USPTO PatentsView assignee record - 35 granted patents across 14 technology areas, recorded in grant years 2017–2025. 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: 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;).

Compiled by PlainPatent · May 15, 2026

RSS updates for this company

Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Joulwatt ranks #9,062 of 49,997 tracked US assignees by granted-patent volume, with 35 patents across 14 technology areas.

#9,062
of 49,997 US assignees by volume: Top 7%
by Innovation Score (55.5/100): 16.5
avg claims per patent: +2100%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R9062 · Foreign Corporation #9,062 · 35 grants

GRANTS-SMALL · UPPER-Q · PHOTO-FINISH · CPC-FOCUS · INNOV-PAR · CLAIMS-RICH · TYPE-FRNCORP · VEL-SURGE · BOOK-FULL

GRANTS-SMALL 35 grants
UPPER-Q #9,062/49,997
PHOTO-FINISH Impossible Objects
CPC-FOCUS H02M · 14 areas
INNOV-PAR 55.5/100
CLAIMS-RICH 16.5 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-SURGE +2100% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Impossible Objects, 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 Joulwatt’s 55.5 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 12.4 pts (22%) Velocity 20.0 pts (36%) Breadth 13.2 pts (24%) Claim depth 9.9 pts (18%)

Qualcomm Incorporated · highest

85
University of… · near

56
Joulwatt Technology · this assignee

56
Recursion Pharmaceut… · near

56
SK microworks · near

56
Equashield Medical · near

55
3D Lighting… · lowest

7

What this shows Joulwatt's Innovation Score is 55.5/100 (top 7% 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 Joulwatt?

Each dot is one of Joulwatt’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). Joulwatt’s own 16.5 claims/patent is ABOVE the 14.1 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

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

Where Joulwatt's grants concentrate

Joulwatt Technology Co., Ltd. is a focused PatentsView assignee: 14 CPC subclasses with 51.4% of grants classified under 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;). Peak complete grant year is 2024 (12 grants) versus a trough of 1 in 2017. By volume, Joulwatt sits between Impossible Objects, Inc. and KSB SE & Co. KGaA.

Joulwatt's three-year grant acceleration

Joulwatt Technology Co., Ltd. shows 22 grants in 2022–2024 against only 0 in 2019–2021. That prior window is too thin for a growth multiple (rename and spin-out assignees look artificially high when the baseline is near zero), so PlainPatent withholds a ranked acceleration claim here.

Impossible Objects

35
Invention And Col…

35
JCM American

35
Jfrog

35
KCM

35
Kctech

35
Koncept

35
KSB SE & Kgaa

35
Joulwatt Technolo… ◀

35

What this shows Joulwatt holds 35 patents at rank #9,060, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Joulwatt

By rank, the assignees closest to #9,060 in granted patent volume.

Leaders in H02M (Apparatus FOR Conversion Between AC AND AC)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Joulwatt, neither rank-band nor same-CPC leaders (those blocks stay above). In H02M (Apparatus FOR Conversion Between AC AND AC), Joulwatt ranks #215 of 1,541 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (56 here).

Recursion Pharmaceuticals, Inc. 56 SK microworks Co., Ltd. 56 Equashield Medical Ltd 55 University of Strathclyde 56

Joulwatt's Innovation Score vs. every tracked assignee

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

56 Top 7% higher than 93% 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 · 2017–2025

Grants by year

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

View data table

Joulwatt Technology Co., Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2017	1	2.9%
2022	1	2.9%
2023	9	25.7%
2024	12	34.3%
2025partial year	12	34.3%

Which technologies does Joulwatt Technology Co., Ltd. patent most?

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 18

Y02B - Climate Change Mitigation Technologies Related TO Buildings, e.g. Housing, House Appliances OR Related End-user Applications 16

H05B - Electric HEATING; Electric Light Sources NOT Otherwise Provided FOR; Circuit Arrangements FOR Electric Light Sources, IN General 7

H10D - Inorganic Electric Semiconductor Devices 6

H03K - Pulse Technique 3

H01L - Semiconductor Devices NOT Covered BY Class H10 3

H02H - Emergency Protective Circuit Arrangements 2

G09G - Arrangements OR Circuits FOR Control OF Indicating Devices Using Static Means TO Present Variable Information 2

H03M - CODING; DECODING; Code Conversion IN General 2

B60Q - Arrangement OF Signalling OR Lighting Devices, THE Mounting OR Supporting Thereof OR Circuits Therefor, FOR Vehicles IN General 1

F21S - Non-portable Lighting DEVICES; Systems THEREOF; Vehicle Lighting Devices Specially Adapted FOR Vehicle Exteriors 1

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 1

F21W - Indexing Scheme Associated With Subclasses F21k, F21l, F21s and F21v, Relating TO Uses OR Applications OF Lighting Devices OR Systems 1

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

Top 14 of 14 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

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

Joulwatt Technology Co., Ltd.'s lead technology class is 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;), 51.4% of its portfolio - see every assignee active in that class. Explore H02M
Ranked #9,062 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Joulwatt Technology Co., Ltd. against Impossible Objects, Inc., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 55.5/100 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.