PlainPatent
USPTO 2015–2025 USPTO PatentsView Foreign Corporation

Chyi Liou Enterprise Co., Ltd.

USPTO PatentsView assignee record - 7 granted patents across 4 technology areas, recorded in grant years 2015–2018. 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: E03C (Domestic Plumbing Installations FOR Fresh Water OR Waste Water ; Sinks).

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The verdict

According to USPTO PatentsView, Chyi ranks #34,749 of 49,997 tracked US assignees by granted-patent volume, with 7 patents across 4 technology areas.

#34,749
of 49,997 US assignees by volume
3rd percentile
by Innovation Score (14.8/100)
1.0
avg claims per patent
-100%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R34749 · Foreign Corporation #34,749 · 7 grants

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

  • GRANTS-MICRO 7 grants
  • MID-PACK #34,749/49,997
  • PHOTO-FINISH Chr Hansen Natural…
  • CPC-NARROW E03C · 4 areas
  • INNOV-LOW 14.8/100
  • CLAIMS-SPARSE 1.0 claims/avg
  • TYPE-FRNCORP Foreign Corp
  • VEL-DROP -100% vel
  • BOOK-FULL 10/10 fields

Nearest grant-volume peer: Chr. Hansen Natural Colors A/S (±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 Chyi’s 14.8 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 Chyi

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

score

What this shows Chyi's Innovation Score is 14.8/100 (3rd 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 Chyi?

Each dot is one of Chyi’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). Chyi’s own 1.0 claims/patent is at or below the 14.7 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

Chyi 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 6.97.07.077.07.07.1 0102030 Granted patents (volume) Avg claims / patent Chr. Hansen Natural Colors A/S - 7, 15.14Chr Hansen Natura…Chromation Inc. - 7, 26.86ChromationChuandong Magnetic Electronics Co., Ltd. - 7, 12.14Chuandong MagneticChums, Inc. - 7, 12.71ChumsCigarette Racing Team, LLC. - 7, 6.14Cigarette Racing…Circinus Medical Technology LLC - 7, 14.71Circinus Medical…Cirrent, Inc. - 7, 18.71CirrentCitigroup Global Markets Inc. - 7, 16.43Citigroup Global…Chyi Liou Enterprise Co., Ltd. - 7, 1Chyi Liou Enterpr…
Chyi vs its 8 nearest volume peers: granted patents vs average claims per patent. Source: USPTO PatentsView.

Where Chyi's grants concentrate

Chyi Liou Enterprise Co., Ltd. is a focused PatentsView assignee: 4 CPC subclasses with 57.1% of grants classified under E03C (Domestic Plumbing Installations FOR Fresh Water OR Waste Water ; Sinks). Peak complete grant year is 2018 (3 grants) versus a trough of 1 in 2015. By volume, Chyi sits between Chr. Hansen Natural Colors A/S and Citigroup Global Markets Inc..

Who files at Chyi's volume?

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

patents

What this shows Chyi holds 7 patents at rank #34,824, 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 Chyi

By rank, the assignees closest to #34,824 in granted patent volume.

Leaders in E03C (Domestic Plumbing Installations FOR Fresh Water OR Waste…)

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

Chyi's Innovation Score vs. every tracked assignee

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

15 3rd percentile higher than 3% 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

0.511.522.533.5 2015201620172018 3
USPTO utility patent grants by year · 2015–2018

Grants by year

Teal-shaded recent years (2020–present) versus the 2015–2019 baseline. Full figures in the table below.

View data table
Chyi Liou Enterprise Co., Ltd. patent grants by year, 2015–2025
Year Patents Granted Share of Period
2015 1 14.3%
2016 1 14.3%
2017 2 28.6%
2018 3 42.9%

Which technologies does Chyi Liou Enterprise Co., Ltd. patent most?

Top 4 of 4 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

Chyi Liou Enterprise Co., Ltd.'s patent record in context - here's where to go next.

  • Chyi Liou Enterprise Co., Ltd.'s lead technology class is E03C (Domestic Plumbing Installations FOR Fresh Water OR Waste Water ; Sinks), 57.1% of its portfolio - see every assignee active in that class. Explore E03C
  • Ranked #34,749 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
  • Compare Chyi Liou Enterprise Co., Ltd. against Chr. Hansen Natural Colors A/S, an assignee filing at a similar volume. Compare portfolios
  • Innovation Score of 14.8/100 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.