Where does Hanil E-hwa Co., Ltd. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Hanil E-hwa Co., Ltd. ranks #40,626 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 Hanil E-hwa Co., Ltd. hold?

Hanil E-hwa Co., Ltd. holds 6 US utility patents granted between 2015 and 2017, spanning 7 technology areas.

What is Hanil E-hwa Co., Ltd.'s Innovation Score?

Hanil E-hwa Co., Ltd. has an Innovation Score of 21.6 out of 100 (9th 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 Hanil E-hwa Co., Ltd. focus on?

Hanil E-hwa 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 7 CPC subclasses total.

Is Hanil E-hwa Co., Ltd.'s patent grant rate increasing or decreasing?

Hanil E-hwa Co., Ltd.'s recent grant velocity is -100% 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 Hanil E-hwa Co., Ltd.'s patents?

Hanil E-hwa Co., Ltd.'s patents average 9.2 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 Hanil E-hwa 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

Hanil E-hwa Co., Ltd.

USPTO PatentsView assignee record - 6 granted patents across 7 technology areas, recorded in grant years 2015–2017. 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

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Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Hanil ranks #40,626 of 49,997 tracked US assignees by granted-patent volume, with 6 patents across 7 technology areas.

#40,626
of 49,997 US assignees by volume: 9th percentile
by Innovation Score (21.6/100): 9.2
avg claims per patent: -100%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R40626 · Foreign Corporation #40,626 · 6 grants

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

GRANTS-MICRO 6 grants
LOWER-Q #40,626/49,997
PHOTO-FINISH Hangzhou Qingqi…
CPC-NARROW B60N · 7 areas
INNOV-THIN 21.6/100
CLAIMS-PAR 9.2 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DROP -100% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Hangzhou Qingqi Science AND 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 Hanil’s 21.6 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 (31%) Velocity 0.0 pts (0%) Breadth 9.4 pts (44%) Claim depth 5.5 pts (25%)

Qualcomm Incorporated · highest

85
Galemed · near

22
Hanil E-hwa · this assignee

22
US Ginzzu · near

22
Franz Schneider & KG · near

22
Martinrea Industries · near

22
3D Lighting… · lowest

7

What this shows Hanil's Innovation Score is 21.6/100 (9th 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 Hanil?

Each dot is one of Hanil’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). Hanil’s own 9.2 claims/patent is at or below the 13.5 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

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

Where Hanil's grants concentrate

Hanil E-hwa Co., Ltd. is a focused PatentsView assignee: 7 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 2015 (4 grants) versus a trough of 1 in 2016. By volume, Hanil sits between Hangzhou Qingqi Science AND Technology Co., Ltd. and Harwin PLC.

Hangzhou Qingqi S…

6
Hangzhou Santan M…

6
Hangzhou Sicco Ar…

6
Hangzhou Yiyuqian…

6
Hanmi Pharmaceuti…

6
Hanvon Ugee Techn…

6
Harman Internatio…

6
Harwin

6
Hanil E-hwa ◀

6

What this shows Hanil holds 6 patents at rank #40,604, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Hanil

By rank, the assignees closest to #40,604 in granted patent volume.

Leaders in B60N (Seats Specially Adapted FOR Vehicles)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Hanil, neither rank-band nor same-CPC leaders (those blocks stay above). In B60N (Seats Specially Adapted FOR Vehicles), Hanil ranks #221 of 645 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (22 here).

Galemed Corporation 22 US Ginzzu Inc 22 Martinrea Industries, Inc. 22 Franz Schneider GMBH & Co. KG 22

Hanil's Innovation Score vs. every tracked assignee

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

22 9th percentile higher than 9% 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 · 2015–2017

Grants by year

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

View data table

Hanil E-hwa Co., Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	4	66.7%
2016	1	16.7%
2017	1	16.7%

Which technologies does Hanil E-hwa Co., Ltd. patent most?

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

Y10T - Technical Subjects Covered BY Former US Classification 2

C08K - Use of inorganic or non-macromolecular organic substances as compounding ingredients 1

C08L - Compositions OF Macromolecular Compounds 1

B60R - Vehicles, Vehicle Fittings, OR Vehicle Parts, NOT Otherwise Provided FOR 1

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

F16K - VALVES; TAPS; COCKS; ACTUATING-FLOATS; Devices FOR Venting OR Aerating 1

Top 7 of 7 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

Hanil E-hwa Co., Ltd.'s patent record in context - here's where to go next.

Hanil E-hwa 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 #40,626 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Hanil E-hwa Co., Ltd. against Hangzhou Qingqi Science AND Technology Co., Ltd., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 21.6/100 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.