Where does Dong-in Entech Co., Ltd. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Dong-in Entech Co., Ltd. ranks #39,864 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 Dong-in Entech Co., Ltd. hold?

Dong-in Entech Co., Ltd. holds 6 US utility patents granted between 2018 and 2021, spanning 10 technology areas.

What is Dong-in Entech Co., Ltd.'s Innovation Score?

Dong-in Entech Co., Ltd. has an Innovation Score of 24.0 out of 100 (13th percentile of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Dong-in Entech Co., Ltd. focus on?

Dong-in Entech Co., Ltd.'s top technology area is B60N (Seats Specially Adapted FOR VEHICLES; Vehicle Passenger Accommodation NOT Otherwise Provided FOR) with 4 patents, ranking #221 of 645 assignees active in that subclass. Grants appear in 10 CPC subclasses total.

Is Dong-in Entech Co., Ltd.'s patent grant rate increasing or decreasing?

Dong-in Entech Co., Ltd.'s recent grant velocity is +400% compared to the prior five-year period (grant years, not application filing dates). This indicates accelerating grant output.

What does claim depth mean for Dong-in Entech Co., Ltd.'s patents?

Dong-in Entech Co., Ltd.'s patents average 10.2 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 Dong-in Entech Co., Ltd. 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

Dong-in Entech Co., Ltd.

USPTO PatentsView assignee record - 6 granted patents across 10 technology areas, recorded in grant years 2018–2021. 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: B60N (Seats Specially Adapted FOR VEHICLES; Vehicle Passenger Accommodation NOT Otherwise Provided FOR).

Compiled by PlainPatent · May 15, 2026

RSS updates for this company

Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Dong-in ranks #39,864 of 49,997 tracked US assignees by granted-patent volume, with 6 patents across 10 technology areas.

#39,864
of 49,997 US assignees by volume: 13th percentile
by Innovation Score (24.0/100): 10.2
avg claims per patent: +400%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R39864 · Foreign Corporation #39,864 · 6 grants

GRANTS-MICRO · LOWER-Q · PHOTO-FINISH · CPC-FOCUS · INNOV-THIN · CLAIMS-PAR · TYPE-FRNCORP · VEL-SURGE · BOOK-FULL

GRANTS-MICRO 6 grants
LOWER-Q #39,864/49,997
PHOTO-FINISH DNA Polymerase…
CPC-FOCUS B60N · 10 areas
INNOV-THIN 24.0/100
CLAIMS-PAR 10.2 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-SURGE +400% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: DNA Polymerase Technology, 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 Dong-in’s 24.0 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 (28%) Velocity 0.0 pts (0%) Breadth 11.2 pts (47%) Claim depth 6.1 pts (25%)

Qualcomm Incorporated · highest

85
Dong-in Entech · this assignee

24
3D Lighting… · lowest

7

What this shows Dong-in's Innovation Score is 24.0/100 (13th 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 Dong-in?

Each dot is one of Dong-in’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). Dong-in’s own 10.2 claims/patent is at or below the 11.8 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

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

Where Dong-in's grants concentrate

Dong-in Entech Co., Ltd. is a focused PatentsView assignee: 10 CPC subclasses with 66.7% of grants classified under B60N (Seats Specially Adapted FOR VEHICLES; Vehicle Passenger Accommodation NOT Otherwise Provided FOR). Peak complete grant year is 2020 (3 grants) versus a trough of 1 in 2018. By volume, Dong-in sits between DNA Polymerase Technology, Inc. and Dongguan Prestige Sporting Products Co., Ltd..

DNA Polymerase Te…

6
Documotion Resear…

6
Dolby Intellectua…

6
Dong-a Socio Hold…

6
Dongguan Goldex C…

6
Dongguan Hanxu Ha…

6
Dongguan Hongyi W…

6
Dongguan Prestige…

6
Dong-in Entech ◀

6

What this shows Dong-in holds 6 patents at rank #39,789, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Dong-in

By rank, the assignees closest to #39,789 in granted patent volume.

Leaders in B60N (Seats Specially Adapted FOR Vehicles)

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

Dong-in's Innovation Score vs. every tracked assignee

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

24 13th percentile higher than 13% 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 · 2018–2021

Grants by year

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

View data table

Dong-in Entech Co., Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2018	1	16.7%
2020	3	50.0%
2021	2	33.3%

Which technologies does Dong-in Entech Co., Ltd. patent most?

B60N - Seats Specially Adapted FOR VEHICLES; Vehicle Passenger Accommodation NOT Otherwise Provided FOR 4

B60R - Vehicles, Vehicle Fittings, OR Vehicle Parts, NOT Otherwise Provided FOR 2

A45B - Walking Sticks ; UMBRELLAS; Ladies' OR Like Fans 1

A63C - SKATES; SKIS; Roller SKATES; Design OR Layout OF Courts, Rinks OR THE Like 1

A63B - Apparatus FOR Physical Training, Gymnastics, Swimming, Climbing, OR FENCING; Ball GAMES; Training Equipment 1

A47L - Domestic Washing OR Cleaning ; Suction Cleaners IN General 1

A47C - CHAIRS; SOFAS; Beds 1

A47D - Furniture Specially Adapted FOR Children 1

A61G - Transport, Personal Conveyances, OR Accommodation Specially Adapted FOR Patients OR Disabled Persons ; Operating Tables OR CHAIRS; Chairs FOR DENTISTRY; Funeral Devices 1

E04H - Buildings OR Like Structures FOR Particular PURPOSES; Swimming OR Splash Baths OR POOLS; MASTS; FENCING; Tents OR Canopies, IN General 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

Dong-in Entech Co., Ltd.'s patent record in context - here's where to go next.

Dong-in Entech Co., Ltd.'s lead technology class is B60N (Seats Specially Adapted FOR VEHICLES; Vehicle Passenger Accommodation NOT Otherwise Provided FOR), 66.7% of its portfolio - see every assignee active in that class. Explore B60N
Ranked #39,864 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Dong-in Entech Co., Ltd. against DNA Polymerase Technology, Inc., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 24.0/100 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.