Where does Chien Hwa Coating Technology, Inc. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Chien Hwa Coating Technology, Inc. ranks #39,433 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 Chien Hwa Coating Technology, Inc. hold?

Chien Hwa Coating Technology, Inc. holds 6 US utility patents granted between 2016 and 2020, spanning 6 technology areas.

What is Chien Hwa Coating Technology, Inc.'s Innovation Score?

Chien Hwa Coating Technology, Inc. has an Innovation Score of 22.7 out of 100 (11th percentile of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Chien Hwa Coating Technology, Inc.'s patent grant rate increasing or decreasing?

Chien Hwa Coating Technology, Inc.'s recent grant velocity is +0% compared to the prior five-year period (grant years, not application filing dates). The company is maintaining or growing its granted-patent output.

What does claim depth mean for Chien Hwa Coating Technology, Inc.'s patents?

Chien Hwa Coating Technology, Inc.'s patents average 12.2 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 Chien Hwa Coating Technology, Inc. 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

Chien Hwa Coating Technology, Inc.

Q: What technology areas does Chien Hwa Coating Technology, Inc. focus on?

Chien Hwa Coating Technology, Inc.'s top technology area is B41J (TYPEWRITERS; Selective Printing Mechanisms, i.e. Mechanisms Printing Otherwise Than From A FORME; Correction OF Typographical Errors) with 3 patents, ranking #269 of 598 assignees active in that subclass. Grants appear in 6 CPC subclasses total.

USPTO PatentsView assignee record - 6 granted patents across 6 technology areas, recorded in grant years 2016–2020. 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: B41J (TYPEWRITERS; Selective Printing Mechanisms, i.e. Mechanisms Printing Otherwise Than From A FORME; Correction OF Typographical Errors).

Compiled by PlainPatent · May 15, 2026

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Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Chien ranks #39,433 of 49,997 tracked US assignees by granted-patent volume, with 6 patents across 6 technology areas.

#39,433
of 49,997 US assignees by volume: 11th percentile
by Innovation Score (22.7/100): 12.2
avg claims per patent: +0%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R39433 · Foreign Corporation #39,433 · 6 grants

GRANTS-MICRO · LOWER-Q · PHOTO-FINISH · CPC-NARROW · INNOV-THIN · CLAIMS-RICH · TYPE-FRNCORP · VEL-FLAT · BOOK-FULL

GRANTS-MICRO 6 grants
LOWER-Q #39,433/49,997
PHOTO-FINISH Chemic Laboratories
CPC-NARROW B41J · 6 areas
INNOV-THIN 22.7/100
CLAIMS-RICH 12.2 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-FLAT +0% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Chemic Laboratories, 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 Chien’s 22.7 Innovation Score adds up

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

Volume 6.7 pts (30%) Velocity 0.0 pts (0%) Breadth 8.7 pts (38%) Claim depth 7.3 pts (32%)

Qualcomm Incorporated · highest

85
Chien Hwa Coating… · this assignee

23
3D Lighting… · lowest

7

What this shows Chien's Innovation Score is 22.7/100 (11th 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 Chien?

Each dot is one of Chien’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). Chien’s own 12.2 claims/patent is ABOVE the 10.0 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

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

Where Chien's grants concentrate

Chien Hwa Coating Technology, Inc. is a focused PatentsView assignee: 6 CPC subclasses with 50% of grants classified under B41J (TYPEWRITERS; Selective Printing Mechanisms, i.e. Mechanisms Printing Otherwise Than From A FORME; Correction OF Typographical Errors). Peak complete grant year is 2020 (3 grants) versus a trough of 1 in 2016. By volume, Chien sits between Chemic Laboratories, Inc. and China Nuclear Power Engineering Co., Ltd..

Chemic Laboratori…

6
Chengdu Baiyu Pha…

6
Chengdu Yishouwei…

6
Chexology

6
Children's Hospit…

6
Children's Medica…

6
China National In…

6
China Nuclear Pow…

6
Chien Hwa Coating… ◀

6

What this shows Chien holds 6 patents at rank #39,551, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Chien

By rank, the assignees closest to #39,551 in granted patent volume.

Leaders in B41J (Typewriters)

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

Chien's Innovation Score vs. every tracked assignee

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

23 11th percentile higher than 11% 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 · 2016–2020

Grants by year

Teal-shaded recent years (2020–present) versus the 2016–2019 baseline. Full figures in the table below.

View data table

Chien Hwa Coating Technology, Inc. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2016	1	16.7%
2019	2	33.3%
2020	3	50.0%

Which technologies does Chien Hwa Coating Technology, Inc. patent most?

B41J - TYPEWRITERS; Selective Printing Mechanisms, i.e. Mechanisms Printing Otherwise Than From A FORME; Correction OF Typographical Errors 3

H10K - Organic Electric Solid-state Devices 2

B41M - Printing, Duplicating, Marking, OR Copying PROCESSES; Colour Printing, 2

C09J - ADHESIVES; Non-mechanical Aspects OF Adhesive Processes IN GENERAL; Adhesive Processes NOT Provided FOR ELSEWHERE; USE OF Materials AS Adhesives 1

C08L - Compositions OF Macromolecular Compounds 1

B32B - Layered Products, i.e. Products Built-up OF Strata OF Flat OR Non-flat, e.g. Cellular OR Honeycomb, Form 1

Top 6 of 6 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

Chien Hwa Coating Technology, Inc.'s patent record in context - here's where to go next.

Chien Hwa Coating Technology, Inc.'s lead technology class is B41J (TYPEWRITERS; Selective Printing Mechanisms, i.e. Mechanisms Printing Otherwise Than From A FORME; Correction OF Typographical Errors), 50% of its portfolio - see every assignee active in that class. Explore B41J
Ranked #39,433 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Chien Hwa Coating Technology, Inc. against Chemic Laboratories, Inc., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 22.7/100 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

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.