Where does Leedarson Lighting Co., Ltd. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Leedarson Lighting Co., Ltd. ranks #4,204 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 Leedarson Lighting Co., Ltd. hold?

Leedarson Lighting Co., Ltd. holds 85 US utility patents granted between 2018 and 2025, spanning 21 technology areas.

What is Leedarson Lighting Co., Ltd.'s Innovation Score?

Leedarson Lighting Co., Ltd. has an Innovation Score of 52.2 out of 100 (top 10% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Leedarson Lighting Co., Ltd.'s patent grant rate increasing or decreasing?

Leedarson Lighting Co., Ltd.'s recent grant velocity is +420% compared to the prior five-year period (grant years, not application filing dates). This indicates accelerating grant output.

What does claim depth mean for Leedarson Lighting Co., Ltd.'s patents?

Leedarson Lighting Co., Ltd.'s patents average 16.0 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 Leedarson Lighting 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

Leedarson Lighting Co., Ltd.

Q: What technology areas does Leedarson Lighting Co., Ltd. focus on?

Leedarson Lighting Co., Ltd.'s top technology area is F21V (Functional Features OR Details OF Lighting Devices OR Systems THEREOF; Structural Combinations OF Lighting Devices With Other Articles, NOT Otherwise Provided FOR) with 46 patents, ranking #55 of 1,842 assignees active in that subclass. Grants appear in 21 CPC subclasses total.

USPTO PatentsView assignee record - 85 granted patents across 21 technology areas, recorded in grant years 2018–2025. 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: F21V (Functional Features OR Details OF Lighting Devices OR Systems THEREOF; Structural Combinations OF Lighting Devices With Other Articles, NOT Otherwise Provided FOR).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Leedarson ranks #4,204 of 49,997 tracked US assignees by granted-patent volume, with 85 patents across 21 technology areas.

#4,204
of 49,997 US assignees by volume: Top 10%
by Innovation Score (52.2/100): 16.0
avg claims per patent: +420%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R4204 · Foreign Corporation #4,204 · 85 grants

GRANTS-SMALL · TOP-DECILE · PHOTO-FINISH · CPC-FOCUS · INNOV-PAR · CLAIMS-RICH · TYPE-FRNCORP · VEL-SURGE · BOOK-FULL

GRANTS-SMALL 85 grants
TOP-DECILE #4,204/49,997
PHOTO-FINISH Hunting Titan
CPC-FOCUS F21V · 21 areas
INNOV-PAR 52.2/100
CLAIMS-RICH 16.0 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-SURGE +420% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Hunting Titan, 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 Leedarson’s 52.2 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 15.4 pts (30%) Velocity 11.0 pts (21%) Breadth 16.2 pts (31%) Claim depth 9.6 pts (18%)

Qualcomm Incorporated · highest

85
Essential Products · near

52
Leedarson Lighting · this assignee

52
Movidius · near

52
UBE Industries · near

52
Universitat Zurich · near

52
3D Lighting… · lowest

7

What this shows Leedarson's Innovation Score is 52.2/100 (top 10% 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 Leedarson?

Each dot is one of Leedarson’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). Leedarson’s own 16.0 claims/patent is ABOVE the 14.8 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

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

Where Leedarson's grants concentrate

Leedarson Lighting Co., Ltd. is a focused PatentsView assignee: 21 CPC subclasses with 54.1% of grants classified under F21V (Functional Features OR Details OF Lighting Devices OR Systems THEREOF; Structural Combinations OF Lighting Devices With Other Articles, NOT Otherwise Provided FOR). Peak complete grant year is 2024 (19 grants) versus a trough of 1 in 2018. By volume, Leedarson sits between Hunting Titan, Inc. and Macrogenics, Inc..

Leedarson's three-year grant acceleration

From 2019–2021 to 2022–2024, Leedarson Lighting Co., Ltd. moved from 23 to 38 grants (1.65x the prior three-year total, a multiple, not a CAGR). See the growth leaderboard.

Hunting Titan

85
Iriso

85
Ideavillage Produ…

85
Kuka Roboter

85
LM Wind Power A/S

85
Levi Strauss &

85
MTG

85
Macrogenics

85
Leedarson Lighting ◀

85

What this shows Leedarson holds 85 patents at rank #4,204, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Leedarson

By rank, the assignees closest to #4,204 in granted patent volume.

Leaders in F21V (Functional Features OR Details OF Lighting Devices OR Sys…)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Leedarson, neither rank-band nor same-CPC leaders (those blocks stay above). In F21V (Functional Features OR Details OF Lighting Devices OR Sys…), Leedarson ranks #55 of 1,842 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (52 here).

Universitat Zurich 52 Essential Products, Inc. 52 Movidius Limited 52 UBE Industries, Ltd. 52

Similar claim depth

Nearest assignees by average claims per patent (16.0 here).

Suzhou Opple Lighting Co., Ltd. 16.0 avg Berlin Heart GmbH 16.0 avg OVH 16.0 avg Omeros Corporation 16.0 avg

Leedarson's Innovation Score vs. every tracked assignee

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

52 Top 10% higher than 90% 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 · 2018–2025

Grants by year

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

View data table

Leedarson Lighting Co., Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2018	1	1.2%
2019	9	10.6%
2020	10	11.8%
2021	4	4.7%
2022	2	2.4%
2023	17	20.0%
2024	19	22.4%
2025partial year	23	27.1%

Which technologies does Leedarson Lighting Co., Ltd. patent most?

F21V - Functional Features OR Details OF Lighting Devices OR Systems THEREOF; Structural Combinations OF Lighting Devices With Other Articles, NOT Otherwise Provided FOR 46

F21Y - Indexing Scheme Associated With Subclasses F21k, F21l, F21s and F21v, Relating TO THE Form OR THE Kind OF THE Light Sources OR OF THE Colour OF THE Light Emitted 43

H05B - Electric HEATING; Electric Light Sources NOT Otherwise Provided FOR; Circuit Arrangements FOR Electric Light Sources, IN General 28

F21S - Non-portable Lighting DEVICES; Systems THEREOF; Vehicle Lighting Devices Specially Adapted FOR Vehicle Exteriors 23

F21K - Non-electric Light Sources Using LUMINESCENCE; Light Sources Using ELECTROCHEMILUMINESCENCE; Light Sources Using Charges OF Combustible MATERIAL; Light Sources Using Semiconductor Devices AS Light-generating ELEMENTS; Light Sources NOT Otherwise Provided FOR 22

H01L - Semiconductor Devices NOT Covered BY Class H10 12

H10H - Inorganic Light-emitting Semiconductor Devices Having Potential Barriers 10

Y02B - Climate Change Mitigation Technologies Related TO Buildings, e.g. Housing, House Appliances OR Related End-user Applications 9

C08K - Use of inorganic or non-macromolecular organic substances as compounding ingredients 3

C09K - Materials FOR Miscellaneous Applications, NOT Provided FOR Elsewhere 3

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

H02H - Emergency Protective Circuit Arrangements 2

H02M - Apparatus FOR Conversion Between AC AND AC, Between AC AND DC, OR Between DC AND DC, AND FOR USE With Mains OR Similar Power Supply SYSTEMS; Conversion OF DC OR AC Input Power Into Surge Output POWER; Control OR Regulation Thereof 2

G02B - Optical Elements, Systems OR Apparatus 1

F21W - Indexing Scheme Associated With Subclasses F21k, F21l, F21s and F21v, Relating TO Uses OR Applications OF Lighting Devices OR Systems 1

Top 15 of 21 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

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

Leedarson Lighting Co., Ltd.'s lead technology class is F21V (Functional Features OR Details OF Lighting Devices OR Systems THEREOF; Structural Combinations OF Lighting Devices With Other Articles, NOT Otherwise Provided FOR), 54.1% of its portfolio - see every assignee active in that class. Explore F21V
Ranked #4,204 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Leedarson Lighting Co., Ltd. against Hunting Titan, Inc., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 52.2/100 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.