PlainPatent
USPTO 2015–2025 USPTO PatentsView Foreign Corporation

Wellfine Silicone Products Co., Ltd.

USPTO PatentsView assignee record - 29 granted patents across 2 technology areas, recorded in grant years 2018–2025. 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: A47K (Sanitary Equipment NOT Otherwise Provided FOR ; Toilet Accessories).

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The verdict

According to USPTO PatentsView, Wellfine ranks #10,819 of 49,997 tracked US assignees by granted-patent volume, with 29 patents across 2 technology areas.

#10,819
of 49,997 US assignees by volume
Top 43%
by Innovation Score (37.7/100)
1.7
avg claims per patent
+300%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R10819 · Foreign Corporation #10,819 · 29 grants

GRANTS-SMALL · UPPER-Q · PHOTO-FINISH · CPC-NARROW · INNOV-THIN · CLAIMS-SPARSE · TYPE-FRNCORP · VEL-SURGE · BOOK-FULL

  • GRANTS-SMALL 29 grants
  • UPPER-Q #10,819/49,997
  • PHOTO-FINISH Valo Health
  • CPC-NARROW A47K · 2 areas
  • INNOV-THIN 37.7/100
  • CLAIMS-SPARSE 1.7 claims/avg
  • TYPE-FRNCORP Foreign Corp
  • VEL-SURGE +300% vel
  • BOOK-FULL 10/10 fields

Nearest grant-volume peer: Valo Health, 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 Wellfine’s 37.7 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 Wellfine

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

score

What this shows Wellfine's Innovation Score is 37.7/100 (top 43% 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 Wellfine?

Each dot is one of Wellfine’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). Wellfine’s own 1.7 claims/patent is at or below the 16.7 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

Wellfine 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 28.92929.1 0510152025 Granted patents (volume) Avg claims / patent Valo Health, Inc. - 29, 16.72Valo HealthVector Launch Inc. - 29, 19Vector LaunchViiV Healthcare Company - 29, 10.28Viiv HealthcareVision Ease, LP - 29, 17.1Vision EaseWireless Advanced Vehicle Electrification, LLC - 29, 19.38Wireless Advanced…World Centric - 29, 3.31World CentricWorldvu Satellites Limited - 29, 17.76Worldvu SatellitesWorthington Armstrong Venture - 29, 10.72Worthington Armst…Wellfine Silicone Products Co., Ltd. - 29, 1.66Wellfine Silicone…
Wellfine vs its 8 nearest volume peers: granted patents vs average claims per patent. Source: USPTO PatentsView.

Where Wellfine's grants concentrate

Wellfine Silicone Products Co., Ltd. is a focused PatentsView assignee: 2 CPC subclasses with 3.4% of grants classified under A47K (Sanitary Equipment NOT Otherwise Provided FOR ; Toilet Accessories). Peak complete grant year is 2024 (4 grants) versus a trough of 1 in 2018. By volume, Wellfine sits between Valo Health, Inc. and Worthington Armstrong Venture.

Wellfine's three-year grant acceleration

Wellfine Silicone Products Co., Ltd. shows 4 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.

Who files at Wellfine's volume?

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

patents

What this shows Wellfine holds 29 patents at rank #10,816, 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 Wellfine

By rank, the assignees closest to #10,816 in granted patent volume.

Leaders in A47K (Sanitary Equipment)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Wellfine, neither rank-band nor same-CPC leaders (those blocks stay above). In A47K (Sanitary Equipment), Wellfine ranks #232 of 376 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (38 here).

Hebe Studio Limited 38 NIO Co., Ltd. 38 Biocon Ltd. 38 Sony Computer Entertainment Europe Ltd. 38

Wellfine's Innovation Score vs. every tracked assignee

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

38 Top 43% higher than 57% 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

0102030 201820242025 24
USPTO utility patent grants by year · 2018–2025

Grants by year

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

View data table
Wellfine Silicone Products Co., Ltd. patent grants by year, 2015–2025
Year Patents Granted Share of Period
2018 1 3.4%
2024 4 13.8%
2025partial year 24 82.8%

Which technologies does Wellfine Silicone Products Co., Ltd. patent most?

Top 2 of 2 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

Wellfine Silicone Products Co., Ltd.'s patent record in context - here's where to go next.

  • Wellfine Silicone Products Co., Ltd.'s lead technology class is A47K (Sanitary Equipment NOT Otherwise Provided FOR ; Toilet Accessories), 3.4% of its portfolio - see every assignee active in that class. Explore A47K
  • Ranked #10,819 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
  • Compare Wellfine Silicone Products Co., Ltd. against Valo Health, Inc., an assignee filing at a similar volume. Compare portfolios
  • Innovation Score of 37.7/100 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.