PlainPatent
USPTO 2015–2025 USPTO PatentsView Foreign Corporation

Dongguan City Kaihua Electronics Co., Ltd

USPTO PatentsView assignee record - 10 granted patents across 5 technology areas, recorded in grant years 2019–2020. 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: H01H (Electric SWITCHES; RELAYS; SELECTORS; Emergency Protective Devices).

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The verdict

According to USPTO PatentsView, Dongguan ranks #26,139 of 49,997 tracked US assignees by granted-patent volume, with 10 patents across 5 technology areas.

#26,139
of 49,997 US assignees by volume
8th percentile
by Innovation Score (21.3/100)
8.5
avg claims per patent
-75%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R26139 · Foreign Corporation #26,139 · 10 grants

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

  • GRANTS-MICRO 10 grants
  • MID-PACK #26,139/49,997
  • PHOTO-FINISH DocSolid
  • CPC-NARROW H01H · 5 areas
  • INNOV-THIN 21.3/100
  • CLAIMS-PAR 8.5 claims/avg
  • TYPE-FRNCORP Foreign Corp
  • VEL-DROP -75% vel
  • BOOK-FULL 10/10 fields

Nearest grant-volume peer: DocSolid LLC (±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 Dongguan’s 21.3 Innovation Score adds up

The same four weighted components behind every Innovation Score on PlainPatent: portfolio volume, grant velocity, technology breadth, and claim depth.

Innovation-score neighbourhood around Dongguan

Lowest and highest poles plus nearest Innovation Score peers, not a full corpus board reprint.

score

What this shows Dongguan's Innovation Score is 21.3/100 (8th 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.

Source USPTO PatentsView, PlainPatent Innovation Score As of 2015–2025

Does more volume mean deeper claims for Dongguan?

Each dot is one of Dongguan’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). Dongguan’s own 8.5 claims/patent is ABOVE the 5.3 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

Dongguan vs its 8 nearest volume peers: granted patents vs average claims per patent. Source: USPTO PatentsView. 2×2 strategic matrix plotting 9 entities by Granted patents (volume) (X) and Avg claims / patent (Y), with a crosshair dividing the plot into four quadrants. Volume + depthSelective & thoroughVolume over depthLean filer 9.99.91010.1 0510152025 Granted patents (volume) Avg claims / patent DocSolid LLC - 10, 20.2DocsolidDomino Printing Sciences PLC - 10, 17.5Domino Printing S…Donald Danforth Plant Science Center - 10, 14Donald Danforth P…Dongguan Bidisco Electric Co., Ltd. - 10, 1Dongguan Bidisco…Dongguan Empress Technology Co., Ltd. - 10, 1Dongguan Empress…Dongguan KangRoad Electrical Technology Co., Ltd. - 10, 1.9Dongguan Kangroad…Dongnan Elevator Co., Ltd. - 10, 5.3Dongnan ElevatorDorner Mfg. Corp. - 10, 16.9Dorner MfgDongguan City Kaihua Electronics Co., Ltd - 10, 8.5Dongguan City Kai…
Dongguan vs its 8 nearest volume peers: granted patents vs average claims per patent. Source: USPTO PatentsView.

Where Dongguan's grants concentrate

Dongguan City Kaihua Electronics Co., Ltd is a focused PatentsView assignee: 5 CPC subclasses with 90% of grants classified under H01H (Electric SWITCHES; RELAYS; SELECTORS; Emergency Protective Devices). Peak complete grant year is 2019 (8 grants) versus a trough of 2 in 2020. By volume, Dongguan sits between DocSolid LLC and Dorner Mfg. Corp..

Who files at Dongguan's volume?

Granted US patents 2015–2025 versus its nearest-ranked assignees by volume, this company marked ◀

patents

What this shows Dongguan holds 10 patents at rank #26,158, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

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

Companies ranked near Dongguan

By rank, the assignees closest to #26,158 in granted patent volume.

Leaders in H01H (Electric Switches)

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, grant velocity, technology breadth, and claim depth (0–100)

21 8th percentile higher than 8% of 49,997 US assignees

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

0246810 20192020 2
USPTO utility patent grants by year · 2019–2020

Grants by year

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

View data table
Dongguan City Kaihua Electronics Co., Ltd patent grants by year, 2015–2025
Year Patents Granted Share of Period
2019 8 80.0%
2020 2 20.0%

Which technologies does Dongguan City Kaihua Electronics Co., Ltd patent most?

Top 5 of 5 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

Dongguan City Kaihua Electronics Co., Ltd's patent record in context - here's where to go next.

  • Dongguan City Kaihua Electronics Co., Ltd's lead technology class is H01H (Electric SWITCHES; RELAYS; SELECTORS; Emergency Protective Devices), 90% of its portfolio - see every assignee active in that class. Explore H01H
  • Ranked #26,139 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
  • Compare Dongguan City Kaihua Electronics Co., Ltd against DocSolid LLC, an assignee filing at a similar volume. Compare portfolios
  • Innovation Score of 21.3/100 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

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.