Where does Chaun-choung Technology Corp. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Chaun-choung Technology Corp. ranks #28,395 of 49,997 assignees by granted-patent volume, the same sort as the companies listing and top-holders ranking. See /methodology/#corpus-placement.

How many patents does Chaun-choung Technology Corp. hold?

Chaun-choung Technology Corp. holds 9 US utility patents granted between 2015 and 2020, spanning 10 technology areas.

What is Chaun-choung Technology Corp.'s Innovation Score?

Chaun-choung Technology Corp. has an Innovation Score of 24.3 out of 100 (14th percentile of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Chaun-choung Technology Corp.'s patent grant rate increasing or decreasing?

Chaun-choung Technology Corp.'s recent grant velocity is -87% compared to the prior five-year period (grant years, not application filing dates). Grant activity has slowed relative to earlier years.

What does claim depth mean for Chaun-choung Technology Corp.'s patents?

Chaun-choung Technology Corp.'s patents average 8.7 claims each. This is an aggregate descriptive count from the grant record; it does not establish claim scope, legal strength, enforceability, or design-around risk.

How is the Chaun-choung Technology Corp. 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.

USPTO 2015–2025 USPTO PatentsView Foreign Corporation

Chaun-choung Technology Corp.

Q: What technology areas does Chaun-choung Technology Corp. focus on?

Chaun-choung Technology Corp.'s top technology area is F28D (Heat-exchange Apparatus, NOT Provided FOR IN Another Subclass, IN Which THE Heat-exchange Media DO NOT Come Into Direct Contact) with 6 patents, ranking #133 of 801 assignees active in that subclass. Grants appear in 10 CPC subclasses total.

USPTO PatentsView assignee record - 9 granted patents across 10 technology areas, recorded in grant years 2015–2020. 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: F28D (Heat-exchange Apparatus, NOT Provided FOR IN Another Subclass, IN Which THE Heat-exchange Media DO NOT Come Into Direct Contact).

Compiled by PlainPatent · May 15, 2026

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Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Chaun-choung ranks #28,395 of 49,997 tracked US assignees by granted-patent volume, with 9 patents across 10 technology areas.

#28,395
of 49,997 US assignees by volume: 14th percentile
by Innovation Score (24.3/100): 8.7
avg claims per patent: -87%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R28395 · Foreign Corporation #28,395 · 9 grants

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

GRANTS-MICRO 9 grants
MID-PACK #28,395/49,997
PHOTO-FINISH Channel Well…
CPC-FOCUS F28D · 10 areas
INNOV-THIN 24.3/100
CLAIMS-PAR 8.7 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DROP -87% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Channel Well Technology Co., Ltd. (±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 Chaun-choung’s 24.3 Innovation Score adds up

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

Volume 8.0 pts (33%) Velocity 0.0 pts (0%) Breadth 11.2 pts (46%) Claim depth 5.2 pts (21%)

Qualcomm Incorporated · highest

85
Chaun-choung… · this assignee

24
3D Lighting… · lowest

7

What this shows Chaun-choung's Innovation Score is 24.3/100 (14th 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.

Does more volume mean deeper claims for Chaun-choung?

Each dot is one of Chaun-choung’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). Chaun-choung’s own 8.7 claims/patent is at or below the 10.8 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

Chaun-choung vs its 8 nearest volume peers: granted patents vs average claims per patent. Source: USPTO PatentsView.

Where Chaun-choung's grants concentrate

Chaun-choung Technology Corp. is a focused PatentsView assignee: 10 CPC subclasses with 66.7% of grants classified under F28D (Heat-exchange Apparatus, NOT Provided FOR IN Another Subclass, IN Which THE Heat-exchange Media DO NOT Come Into Direct Contact). Peak complete grant year is 2016 (3 grants) versus a trough of 1 in 2015. By volume, Chaun-choung sits between Channel Well Technology Co., Ltd. and Chengdu Borns Medical Robotics Inc..

Channel Well Tech…

9
Chaologix

9
Chaossearch

9
Charles Amash Imp…

9
Chemotherapeutisc…

9
Chen Sound Indust…

9
Cheng YU Enterpri…

9
Chengdu Borns Med…

9
Chaun-choung Tech… ◀

9

What this shows Chaun-choung holds 9 patents at rank #28,357, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Chaun-choung

By rank, the assignees closest to #28,357 in granted patent volume.

Leaders in F28D (Heat-exchange Apparatus)

Other assignees with the most granted patents in Chaun-choung's primary technology class.

Chaun-choung's Innovation Score vs. every tracked assignee

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

24 14th percentile higher than 14% of 49,997 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

USPTO utility patent grants by year · 2015–2020

Grants by year

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

View data table

Chaun-choung Technology Corp. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	1	11.1%
2016	3	33.3%
2017	3	33.3%
2018	1	11.1%
2020	1	11.1%

Which technologies does Chaun-choung Technology Corp. patent most?

F28D - Heat-exchange Apparatus, NOT Provided FOR IN Another Subclass, IN Which THE Heat-exchange Media DO NOT Come Into Direct Contact 6

F28F - Details OF Heat-exchange AND Heat-transfer Apparatus, OF General Application 4

B23P - Metal-working NOT Otherwise Provided FOR; Combined OPERATIONS; Universal Machine Tools 3

H01L - Semiconductor Devices NOT Covered BY Class H10 3

G06F - Electric Digital Data Processing 2

H05K - Printed CIRCUITS; Casings OR Constructional Details OF Electric APPARATUS; Manufacture OF Assemblages OF Electrical Components 2

B21D - Working OR Processing OF Sheet Metal OR Metal Tubes, Rods OR Profiles Without Essentially Removing MATERIAL; Punching Metal 1

B21C - Manufacture OF Metal Sheets, Wire, Rods, Tubes, Profiles OR Like Semi-manufactured Products Otherwise Than BY ROLLING; Auxiliary Operations Used IN Connection With Metal-working Without Essentially Removing Material 1

Y10T - Technical Subjects Covered BY Former US Classification 1

B21K - Making Forged OR Pressed Metal Products, e.g. Horse-shoes, Rivets, Bolts OR Wheels 1

Top 10 of 10 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

Chaun-choung Technology Corp.'s patent record in context - here's where to go next.

Chaun-choung Technology Corp.'s lead technology class is F28D (Heat-exchange Apparatus, NOT Provided FOR IN Another Subclass, IN Which THE Heat-exchange Media DO NOT Come Into Direct Contact), 66.7% of its portfolio - see every assignee active in that class. Explore F28D
Ranked #28,395 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Chaun-choung Technology Corp. against Channel Well Technology Co., Ltd., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 24.3/100 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

Compiled by PlainPatent , US Patent Intelligence Editorial Process · 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.