Where does Largan Medical Co., Ltd. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Largan Medical Co., Ltd. ranks #14,106 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 Largan Medical Co., Ltd. hold?

Largan Medical Co., Ltd. holds 21 US utility patents granted between 2016 and 2025, spanning 14 technology areas.

What is Largan Medical Co., Ltd.'s Innovation Score?

Largan Medical Co., Ltd. has an Innovation Score of 40.2 out of 100 (top 36% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Largan Medical Co., Ltd. focus on?

Largan Medical Co., Ltd.'s top technology area is G02C (SPECTACLES; Sunglasses OR Goggles Insofar AS They Have THE Same Features AS SPECTACLES; Contact Lenses) with 16 patents, ranking #44 of 397 assignees active in that subclass. Grants appear in 14 CPC subclasses total.

Is Largan Medical Co., Ltd.'s patent grant rate increasing or decreasing?

Largan Medical Co., Ltd.'s recent grant velocity is +200% compared to the prior five-year period (grant years, not application filing dates). This indicates accelerating grant output.

What does claim depth mean for Largan Medical Co., Ltd.'s patents?

Largan Medical Co., Ltd.'s patents average 16.1 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 Largan Medical 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

Largan Medical Co., Ltd.

USPTO PatentsView assignee record - 21 granted patents across 14 technology areas, recorded in grant years 2016–2025. 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: G02C (SPECTACLES; Sunglasses OR Goggles Insofar AS They Have THE Same Features AS SPECTACLES; Contact Lenses).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Largan ranks #14,106 of 49,997 tracked US assignees by granted-patent volume, with 21 patents across 14 technology areas.

#14,106
of 49,997 US assignees by volume: Top 36%
by Innovation Score (40.2/100): 16.1
avg claims per patent: +200%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R14106 · Foreign Corporation #14,106 · 21 grants

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

GRANTS-SMALL 21 grants
MID-PACK #14,106/49,997
PHOTO-FINISH Klaviyo
CPC-FOCUS G02C · 14 areas
INNOV-PAR 40.2/100
CLAIMS-RICH 16.1 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-SURGE +200% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Klaviyo, 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 Largan’s 40.2 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 10.7 pts (27%) Velocity 6.7 pts (17%) Breadth 13.2 pts (33%) Claim depth 9.6 pts (24%)

Qualcomm Incorporated · highest

85
Largan Medical · this assignee

40
3D Lighting… · lowest

7

What this shows Largan's Innovation Score is 40.2/100 (top 36% 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 Largan?

Each dot is one of Largan’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). Largan’s own 16.1 claims/patent is ABOVE the 14.2 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

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

Where Largan's grants concentrate

Largan Medical Co., Ltd. is a focused PatentsView assignee: 14 CPC subclasses with 76.2% of grants classified under G02C (SPECTACLES; Sunglasses OR Goggles Insofar AS They Have THE Same Features AS SPECTACLES; Contact Lenses). Peak complete grant year is 2020 (5 grants) versus a trough of 1 in 2016. By volume, Largan sits between Klaviyo, Inc. and Life Robotics Inc..

Largan's three-year grant acceleration

Largan Medical Co., Ltd. shows 9 grants in 2022–2024 against only 9 in 2019–2021. That prior window is too thin for a growth multiple (rename and spin-out assignees look artificially high when the baseline is near zero), so PlainPatent withholds a ranked acceleration claim here.

Klaviyo

21
Koninklijke Neder…

21
Kuat Innovations

21
Kuster North Amer…

21
Laurel Precision…

21
LE Centre Nationa…

21
Leica Mikrosysteme

21
Life Robotics

21
Largan Medical ◀

21

What this shows Largan holds 21 patents at rank #14,104, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Largan

By rank, the assignees closest to #14,104 in granted patent volume.

Leaders in G02C (Spectacles)

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

Largan's Innovation Score vs. every tracked assignee

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

40 Top 36% higher than 64% 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 · 2016–2025

Grants by year

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

View data table

Largan Medical Co., Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2016	1	4.8%
2018	1	4.8%
2019	3	14.3%
2020	5	23.8%
2021	1	4.8%
2022	5	23.8%
2023	1	4.8%
2024	3	14.3%
2025partial year	1	4.8%

Which technologies does Largan Medical Co., Ltd. patent most?

G02C - SPECTACLES; Sunglasses OR Goggles Insofar AS They Have THE Same Features AS SPECTACLES; Contact Lenses 16

G02B - Optical Elements, Systems OR Apparatus 4

A61K - Preparations FOR Medical, Dental OR Toiletry Purposes 3

B65B - Machines, Apparatus OR Devices FOR, OR Methods OF, Packaging Articles OR MATERIALS; Unpacking 3

C08K - Use of inorganic or non-macromolecular organic substances as compounding ingredients 2

B65D - Containers FOR Storage OR Transport OF Articles OR Materials, e.g. Bags, Barrels, Bottles, Boxes, Cans, Cartons, Crates, Drums, Jars, Tanks, Hoppers, Forwarding CONTAINERS; Accessories, Closures, OR Fittings THEREFOR; Packaging ELEMENTS; Packages 2

C09K - Materials FOR Miscellaneous Applications, NOT Provided FOR Elsewhere 2

C09B - Organic Dyes OR Closely-related Compounds FOR Producing Dyes ; , e.g. PIGMENTS; MORDANTS; Lakes 2

C08F - Macromolecular Compounds Obtained BY Reactions Only Involving Carbon-to-carbon Unsaturated Bonds 1

A45C - PURSES; LUGGAGE; Hand Carried Bags 1

B29D - Producing Particular Articles From Plastics OR From Substances IN A Plastic State 1

C08L - Compositions OF Macromolecular Compounds 1

C07C - Acyclic OR Carbocyclic Compounds 1

Y02W - Climate Change Mitigation Technologies Related TO Wastewater Treatment OR Waste Management 1

Top 14 of 14 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

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

Largan Medical Co., Ltd.'s lead technology class is G02C (SPECTACLES; Sunglasses OR Goggles Insofar AS They Have THE Same Features AS SPECTACLES; Contact Lenses), 76.2% of its portfolio - see every assignee active in that class. Explore G02C
Ranked #14,106 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Largan Medical Co., Ltd. against Klaviyo, Inc., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 40.2/100 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.