Where does HKC Corporation Limited rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), HKC Corporation Limited ranks #349 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 HKC Corporation Limited hold?

HKC Corporation Limited holds 1,232 US utility patents granted between 2019 and 2025, spanning 105 technology areas.

What is HKC Corporation Limited's Innovation Score?

HKC Corporation Limited has an Innovation Score of 67.7 out of 100 (top 1% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is HKC Corporation Limited's patent grant rate increasing or decreasing?

HKC Corporation Limited's recent grant velocity is +1864% compared to the prior five-year period (grant years, not application filing dates). This indicates accelerating grant output.

What does claim depth mean for HKC Corporation Limited's patents?

HKC Corporation Limited's patents average 15.0 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 HKC Corporation Limited 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

HKC Corporation Limited

Q: What technology areas does HKC Corporation Limited focus on?

HKC Corporation Limited's top technology area is G09G (Arrangements OR Circuits FOR Control OF Indicating Devices Using Static Means TO Present Variable Information) with 667 patents, ranking #13 of 1,688 assignees active in that subclass. Grants appear in 105 CPC subclasses total.

USPTO PatentsView assignee record - 1,232 granted patents across 105 technology areas, recorded in grant years 2019–2025. 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: G09G (Arrangements OR Circuits FOR Control OF Indicating Devices Using Static Means TO Present Variable Information).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, HKC ranks #349 of 49,997 tracked US assignees by granted-patent volume, with 1,232 patents across 105 technology areas.

#349
of 49,997 US assignees by volume: Top 1%
by Innovation Score (67.7/100): 15.0
avg claims per patent: +1864%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R349 · Foreign Corporation #349 · 1,232 grants

GRANTS-LARGE · TOP-DECILE · PHOTO-FINISH · CPC-WIDE · INNOV-STRONG · CLAIMS-RICH · TYPE-FRNCORP · VEL-SURGE · BOOK-FULL

GRANTS-LARGE 1.2K grants
TOP-DECILE #349/49,997
PHOTO-FINISH Warsaw Orthopedic
CPC-WIDE G09G · 105 areas
INNOV-STRONG 67.7/100
CLAIMS-RICH 15.0 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-SURGE +1864% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Warsaw Orthopedic, 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 HKC’s 67.7 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 24.6 pts (36%) Velocity 9.2 pts (14%) Breadth 25.0 pts (37%) Claim depth 9.0 pts (13%)

Qualcomm Incorporated · highest

85
Seagate Technology · near

68
Qingdao University… · near

68
Aeva · near

68
HKC · this assignee

68
Becton Dickinson and · near

68
3D Lighting… · lowest

7

What this shows HKC's Innovation Score is 67.7/100 (top 1% 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 HKC?

Each dot is one of HKC’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). HKC’s own 15.0 claims/patent is at or below the 17.0 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

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

How HKC's grant cadence moved

Between 2020–2024, HKC Corporation Limited received 1,100 grants versus 56 in 2015–2019 (+1864% equal-window velocity, top decile growth). Across complete PatentsView years, output peaked in 2022 at 307 grants and bottomed in 2019 at 56. Lead class G09G accounts for 54.1% of the portfolio across 105 subclasses. Volume neighbours: Synopsys, Inc. (#345) and Mahle International GmbH (#353).

HKC's three-year grant acceleration

From 2019–2021 to 2022–2024, HKC Corporation Limited moved from 487 to 669 grants (1.37x the prior three-year total, a multiple, not a CAGR). Among 3,296 tracked assignees with ≥100 grants and ≥20 prior-period grants, that multiple ranks #546. See the growth leaderboard.

Synopsys

1,245
Symantec

1,244
FCA US

1,243
Philip Morris Pro…

1,240
Warsaw Orthopedic

1,232
HKC ◀

1,232
Johnson Controls…

1,231
Lutron Technology

1,229
Mahle Internation…

1,224

What this shows HKC holds 1,232 patents at rank #349, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near HKC

By rank, the assignees closest to #349 in granted patent volume.

Leaders in G09G (Arrangements OR Circuits FOR Control OF Indicating Device…)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for HKC, neither rank-band nor same-CPC leaders (those blocks stay above). In G09G (Arrangements OR Circuits FOR Control OF Indicating Device…), HKC ranks #13 of 1,688 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (68 here).

Aeva, Inc. 68 Qingdao University OF Technology 68 Becton, Dickinson and Company 68 Seagate Technology LLC 68

Similar claim depth

Nearest assignees by average claims per patent (15.0 here).

Tenneco GmbH 15.0 avg Sony Semiconductor Solutions Corporation 15.0 avg National Taiwan University 15.0 avg Emerson Electric Co. 15.0 avg

HKC's Innovation Score vs. every tracked assignee

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

68 Top 1% higher than 99% 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 · 2019–2025

Grants by year

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

View data table

HKC Corporation Limited patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2019	56	4.5%
2020	189	15.3%
2021	242	19.6%
2022	307	24.9%
2023	160	13.0%
2024	202	16.4%
2025partial year	76	6.2%

Which technologies does HKC Corporation Limited patent most?

G09G - Arrangements OR Circuits FOR Control OF Indicating Devices Using Static Means TO Present Variable Information 667

G02F - Optical Devices OR Arrangements FOR THE Control OF Light BY Modification OF THE Optical Properties OF THE Media OF THE Elements Involved THEREIN; Non-linear OPTICS; Frequency-changing OF LIGHT; Optical Logic ELEMENTS; Optical ANALOGUE/DIGITAL Converters 543

H10D - Inorganic Electric Semiconductor Devices 188

H01L - Semiconductor Devices NOT Covered BY Class H10 78

G02B - Optical Elements, Systems OR Apparatus 62

H10K - Organic Electric Solid-state Devices 60

G06F - Electric Digital Data Processing 53

H05K - Printed CIRCUITS; Casings OR Constructional Details OF Electric APPARATUS; Manufacture OF Assemblages OF Electrical Components 37

H04N - Pictorial Communication, e.g. Television 34

G11C - Static Stores 26

G01R - Measuring Electric VARIABLES; Measuring Magnetic Variables 25

G03F - Photomechanical Production OF Textured OR Patterned Surfaces, e.g. FOR Printing, FOR Processing OF Semiconductor DEVICES; Materials THEREFOR; Originals THEREFOR; Apparatus Specially Adapted THEREFOR; 24

H02H - Emergency Protective Circuit Arrangements 23

H10F - Inorganic Semiconductor Devices Sensitive TO Infrared Radiation, Light, Electromagnetic Radiation OF Shorter Wavelength OR Corpuscular Radiation 20

G09F - DISPLAYING; ADVERTISING; SIGNS; Labels OR NAME-PLATES; Seals 20

Top 15 of 105 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

HKC Corporation Limited's patent record in context - here's where to go next.

HKC Corporation Limited's lead technology class is G09G (Arrangements OR Circuits FOR Control OF Indicating Devices Using Static Means TO Present Variable Information), 54.1% of its portfolio - see every assignee active in that class. Explore G09G
Ranked #349 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare HKC Corporation Limited against Synopsys, Inc., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 67.7/100 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.