PlainPatent
USPTO 2015–2025 USPTO PatentsView Foreign Corporation

Zhuhai Ding Rong Plastic Products Co., Ltd.

USPTO PatentsView assignee record - 18 granted patents across 7 technology areas, recorded in grant years 2018–2024. 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: A45D (Hairdressing OR Shaving Equipment ; Equipment FOR Cosmetics OR Cosmetic Treatments, e.g. FOR Manicuring OR Pedicuring).

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The verdict

According to USPTO PatentsView, Zhuhai ranks #16,533 of 49,997 tracked US assignees by granted-patent volume, with 18 patents across 7 technology areas.

#16,533
of 49,997 US assignees by volume
Top 46%
by Innovation Score (36.6/100)
6.2
avg claims per patent
+100%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R16533 · Foreign Corporation #16,533 · 18 grants

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

  • GRANTS-MICRO 18 grants
  • MID-PACK #16,533/49,997
  • PHOTO-FINISH bioMérieux
  • CPC-NARROW A45D · 7 areas
  • INNOV-THIN 36.6/100
  • CLAIMS-SPARSE 6.2 claims/avg
  • TYPE-FRNCORP Foreign Corp
  • VEL-SURGE +100% vel
  • BOOK-FULL 10/10 fields

Nearest grant-volume peer: bioMérieux, S.A. (±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 Zhuhai’s 36.6 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 Zhuhai

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

score

What this shows Zhuhai's Innovation Score is 36.6/100 (top 46% 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 Zhuhai?

Each dot is one of Zhuhai’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). Zhuhai’s own 6.2 claims/patent is at or below the 16.8 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

Zhuhai 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 17.917.91818.1 51015202530 Granted patents (volume) Avg claims / patent Zhongshan Dashan Photographic Equipment Co., Ltd. - 18, 11.11Zhongshan Dashan…Zurn Water, LLC - 18, 13.61Zurn WaterZeller Digital Innovations, Inc. - 18, 18.39Zeller Digital In…Zhejiang University City College - 18, 6.78Zhejiang Universi…Zinniatek Limited - 18, 25.56ZinniatekbioMérieux, S.A. - 18, 18biomérieuxiPosi, Inc. - 18, 16.83iposithyssenkrupp Rasselstein GmbH - 18, 17.17thyssenkrupp Rass…Zhuhai Ding Rong Plastic Products Co., Ltd. - 18, 6.22Zhuhai Ding Rong…
Zhuhai vs its 8 nearest volume peers: granted patents vs average claims per patent. Source: USPTO PatentsView.

Where Zhuhai's grants concentrate

Zhuhai Ding Rong Plastic Products Co., Ltd. is a focused PatentsView assignee: 7 CPC subclasses with 83.3% of grants classified under A45D (Hairdressing OR Shaving Equipment ; Equipment FOR Cosmetics OR Cosmetic Treatments, e.g. FOR Manicuring OR Pedicuring). Peak complete grant year is 2023 (5 grants) versus a trough of 1 in 2024. By volume, Zhuhai sits between Zhongshan Dashan Photographic Equipment Co., Ltd. and thyssenkrupp Rasselstein GmbH.

Zhuhai's three-year grant acceleration

Zhuhai Ding Rong Plastic Products Co., Ltd. shows 10 grants in 2022–2024 against only 5 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.

Who files at Zhuhai's volume?

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

patents

What this shows Zhuhai holds 18 patents at rank #16,531, 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 Zhuhai

By rank, the assignees closest to #16,531 in granted patent volume.

Leaders in A45D (Hairdressing OR Shaving Equipment)

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

Zhuhai's Innovation Score vs. every tracked assignee

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

37 Top 46% higher than 54% 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

0123456 201820192021202220232024 1
USPTO utility patent grants by year · 2018–2024

Grants by year

Teal-shaded recent years (2020–present) versus the 2018–2019 baseline. Full figures in the table below.

View data table
Zhuhai Ding Rong Plastic Products Co., Ltd. patent grants by year, 2015–2025
Year Patents Granted Share of Period
2018 3 16.7%
2019 3 16.7%
2021 2 11.1%
2022 4 22.2%
2023 5 27.8%
2024 1 5.6%

Which technologies does Zhuhai Ding Rong Plastic Products Co., Ltd. patent most?

Top 7 of 7 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

Zhuhai Ding Rong Plastic Products Co., Ltd.'s patent record in context - here's where to go next.

  • Zhuhai Ding Rong Plastic Products Co., Ltd.'s lead technology class is A45D (Hairdressing OR Shaving Equipment ; Equipment FOR Cosmetics OR Cosmetic Treatments, e.g. FOR Manicuring OR Pedicuring), 83.3% of its portfolio - see every assignee active in that class. Explore A45D
  • Ranked #16,533 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
  • Compare Zhuhai Ding Rong Plastic Products Co., Ltd. against Zhongshan Dashan Photographic Equipment Co., Ltd., an assignee filing at a similar volume. Compare portfolios
  • Innovation Score of 36.6/100 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.