USPTO 2015–2025 USPTO PatentsView Foreign Corporation

Joulwatt Technology Co., Ltd.

USPTO PatentsView assignee record - 35 granted patents across 14 technology areas, active 2017–2025. Filing-trend and competitive-moat analysis cross-referenced to USPTO Patent Public Search. 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;).

35
Total patents granted
14
CPC technology areas
16.5
Avg claims per patent
+3300%
5-year filing velocity

The verdict

Joulwatt holds 35 US patents across 14 technology areas, rank #9,060 of 50,000 tracked assignees.

#9,060
of 50,000 US assignees by volume
Top 7%
by Innovation Score (55.5/100)
16.5
avg claims per patent
+3300%
filing velocity, last 5 yrs

Portfolio overview

Joulwatt Technology Co., Ltd. has been granted 35 US utility patents between 2017 and 2025, placing Joulwatt Technology Co., Ltd. at rank #9,060 across all assignees tracked by PlainPatent. This portfolio spans 14 distinct Cooperative Patent Classification (CPC) subclasses, averaging 16.5 claims per patent with primary concentration in 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;). As a Foreign Corporation, Joulwatt Technology Co., Ltd. is one of the more focused assignees in the PatentsView dataset. The composite Innovation Score of 55.5/100 blends portfolio volume, filing velocity, technology breadth, and claim depth into a single comparable measure drawn directly from USPTO PatentsView records.

Filing cadence tells the strategic story. Between 2020 and 2025 the company received 34 grants, compared with 1 in the 2015–2019 window, a +3300% shift in five-year velocity. An acceleration of this magnitude signals aggressive R&D investment and expanding technical ambition. The Foreign Corporation classification further shapes interpretation, since corporate, government, and individual filers pursue patents for materially different reasons.

Claim depth and technology breadth together indicate competitive posture. Joulwatt Technology Co., Ltd.'s 16.5 average claims per patent sits within the typical range for solid legal coverage without excessive prosecution cost, while concentration in 14 subclasses points to a focused technical program. Combined with portfolio volume, these signals let analysts, investors, and licensing professionals benchmark Joulwatt Technology Co., Ltd. against peers pursuing similar technology classes.

How does Joulwatt compare?

Granted US patents 2015–2025 versus the largest corporate holders, this company marked ◀

patents

What this shows Joulwatt holds 35 patents, placing it at rank #9,060 overall, well behind the volume leaders but ahead of the tens of thousands of smaller assignees in the dataset.

Source USPTO PatentsView, granted utility patents As of 2015–2025

Joulwatt's Innovation Score vs. every tracked assignee

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

56 Top 7% higher than 93% of 50,000 US assignees

0–10: 687 US assignees (1%). Below this entry. 10–20: 2,527 US assignees (5%). Below this entry. 20–30: 13,162 US assignees (26%). Below this entry. 30–40: 15,294 US assignees (31%). Below this entry. 40–50: 11,491 US assignees (23%). Below this entry. 50–60: 5,058 US assignees (10%). This entry sits in this band. 60–70: 1,537 US assignees (3%). Above this entry. 70–80: 234 US assignees (0%). Above this entry. 80–90: 10 US assignees (0%). Above this entry. 90–100: 0 US assignees (0%). Above this entry. This assignee 0 100 every tracked assignee, bucketed by value

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

051015 20172022202320242025 12
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%
2025 12 34.3%

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

Top 14 of 14 technology areas

Patent Moat Analysis

Portfolio Volume Light
Tech Breadth Focused
Claim Depth Standard
Velocity Accelerating

Where it ranks

Overall rank by patents

#9,060

Across all tracked assignees

Innovation Score

55.5 out of 100

View all rankings →

Data Source

USPTO PatentsView, US granted patents 2015–2025

How is Innovation Score calculated?

Frequently Asked Questions

How many patents does Joulwatt Technology Co., Ltd. hold?
Joulwatt Technology Co., Ltd. holds 35 US granted patents filed 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. This composite metric weighs portfolio volume (40%), filing velocity (20%), technology breadth (25%), and claim depth (15%).
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. The company has filed patents in 14 CPC subclasses total.
Is Joulwatt Technology Co., Ltd.'s patent filing rate increasing or decreasing?
Joulwatt Technology Co., Ltd.'s recent filing velocity is +3300% compared to the prior five-year period. This indicates accelerating innovation.
What does claim depth mean for Joulwatt Technology Co., Ltd.'s patents?
Joulwatt Technology Co., Ltd.'s patents average 16.5 claims each. This falls within the standard range, providing solid legal coverage.
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.

Learn More

How to use this portfolio

Joulwatt's 35 grants land it in the top 7% by Innovation Score, but volume alone doesn't tell you where the strength sits.

  • Read that count against the largest US assignees before treating it as dominance - Joulwatt ranks #9,060 of 50,000. Top 50 holders
  • Most of this portfolio concentrates in H02M - see who else leads that technology area. H02M leaders
  • Check what the four-part Innovation Score actually rewards before comparing it to another company. How the score works

Patent counts and the Innovation Score measure patenting activity, not commercial success or the legal strength of any patent. Many patents are filed defensively. Verify the status of an individual patent against official USPTO records.

Explore the patent dataset

Data sourced from USPTO PatentsView - official U.S. government patent data. See our methodology for computation details. Retrieved and formatted by PlainPatent Editorial

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.

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