USPTO 2015–2025 USPTO PatentsView Foreign Corporation

Dongguan Power Bureau OF Guangdong Power GRID Co., Ltd.

USPTO PatentsView assignee record - 5 granted patents across 12 technology areas, active 2025–2025. Filing-trend and competitive-moat analysis cross-referenced to USPTO Patent Public Search. Primary class: Y02E (REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION).

Compiled byPlainPatent Editorial, US Patent Intelligence Editorial Team · May 15, 2026

Explore the portfolio See the ranking

Total patents granted

CPC technology areas

12.6

Avg claims per patent

5-year filing velocity

The verdict

Dongguan holds 5 US patents across 12 technology areas, rank #46,135 of 50,000 tracked assignees.

#46,135
of 50,000 US assignees by volume: Top 81%
by Innovation Score (26.0/100): 12.6
avg claims per patent

Portfolio overview

Dongguan Power Bureau OF Guangdong Power GRID Co., Ltd. has been granted 5 US utility patents between 2025 and 2025, placing Dongguan Power Bureau OF Guangdong Power GRID Co., Ltd. at rank #46,135 across all assignees tracked by PlainPatent. This portfolio spans 12 distinct Cooperative Patent Classification (CPC) subclasses, averaging 12.6 claims per patent with primary concentration in Y02E (REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION). As a Foreign Corporation, Dongguan Power Bureau OF Guangdong Power GRID Co., Ltd. is one of the more focused assignees in the PatentsView dataset. By volume, Dongguan sits between Dongguan Meiluodi Electronics Co., Ltd (5 patents, rank #46,131) and Dongguan Yuanchuang Electronic Technology Co., Ltd. (5 patents, rank #46,139) - the closest US assignees by grant volume. The composite Innovation Score of 26.0/100 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. Historical data spans 2025 through 2025, with 5 total grants over that period. Velocity comparisons require five years of historical filings to calibrate. 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. Dongguan Power Bureau OF Guangdong Power GRID Co., Ltd.'s 12.6 average claims per patent sits within the typical range for solid legal coverage without excessive prosecution cost, while concentration in 12 subclasses points to a focused technical program. Combined with portfolio volume, these signals let analysts, investors, and licensing professionals benchmark Dongguan Power Bureau OF Guangdong Power GRID Co., Ltd. against peers pursuing similar technology classes.

Dongguan Meiluodi

5
Dongguan OSM Digi…

5
Dongguan Paifan T…

5
Dongguan Pengteng…

5
Dongguan Qingxi K…

5
Dongguan Weihong…

5
Dongguan Yixin Ma…

5
Dongguan Yuanchua…

5
Dongguan Power Bu… ◀

5

What this shows Dongguan holds 5 patents at rank #46,135, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Dongguan

By rank, the assignees closest to #46,135 in granted patent volume.

Leaders in Y02E (Reduction OF Greenhouse GAS [GHG] Emissions)

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

Dongguan's Innovation Score vs. every tracked assignee

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

26 Top 81% higher than 19% of 50,000 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 2025–2019 baseline. Full figures in the table below.

View data table

Dongguan Power Bureau OF Guangdong Power GRID Co., Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2025	5	100.0%

Which technologies does Dongguan Power Bureau OF Guangdong Power GRID Co., Ltd. patent most?

Y02E - REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION 1

H02J - CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY 1

G06Q - INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR 1

H04W - WIRELESS COMMUNICATION NETWORKS 1

H04L - TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 1

G01R - MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 1

G01M - TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR 1

G01N - INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 1

F16F - SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION 1

G03B - APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR 1

H04N - PICTORIAL COMMUNICATION, e.g. TELEVISION 1

H02B - BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER 1

Top 12 of 12 technology areas

Patent Moat Analysis

Portfolio Volume Light

Tech Breadth Focused

Claim Depth Standard

Where it ranks

Overall rank by patents

#46,135

Across all tracked assignees

Innovation Score

26.0 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 Dongguan Power Bureau OF Guangdong Power GRID Co., Ltd. hold?

Dongguan Power Bureau OF Guangdong Power GRID Co., Ltd. holds 5 US granted patents filed between 2025 and 2025, spanning 12 technology areas.

What is Dongguan Power Bureau OF Guangdong Power GRID Co., Ltd.'s Innovation Score?

Dongguan Power Bureau OF Guangdong Power GRID Co., Ltd. has an Innovation Score of 26.0 out of 100. This composite metric weighs portfolio volume (40%), filing velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Dongguan Power Bureau OF Guangdong Power GRID Co., Ltd. focus on?

Dongguan Power Bureau OF Guangdong Power GRID Co., Ltd.'s top technology area is Y02E (REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION) with 1 patents. The company has filed patents in 12 CPC subclasses total.

Is Dongguan Power Bureau OF Guangdong Power GRID Co., Ltd.'s patent filing rate increasing or decreasing?

Insufficient historical data is available to calculate a velocity trend for Dongguan Power Bureau OF Guangdong Power GRID Co., Ltd..

What does claim depth mean for Dongguan Power Bureau OF Guangdong Power GRID Co., Ltd.'s patents?

Dongguan Power Bureau OF Guangdong Power GRID Co., Ltd.'s patents average 12.6 claims each. This falls within the standard range, providing solid legal coverage.

How is the Dongguan Power Bureau OF Guangdong Power GRID 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.

How to use this portfolio

Dongguan's 5 grants land it in the top 81% 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 - Dongguan ranks #46,135 of 50,000. Top 50 holders
Most of this portfolio concentrates in Y02E - see who else leads that technology area. Y02E 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.

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.

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 byPlainPatent Editorial, US Patent Intelligence Editorial Team · 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.