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

According to USPTO PatentsView (2015–2025 granted utility patents), Largan Precision Co., Ltd. ranks #433 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 Precision Co., Ltd. hold?

Largan Precision Co., Ltd. holds 1,046 US utility patents granted between 2015 and 2025, spanning 29 technology areas.

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

Largan Precision Co., Ltd. has an Innovation Score of 64.1 out of 100 (top 2% 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 Precision Co., Ltd. focus on?

Largan Precision Co., Ltd.'s top technology area is G02B (Optical Elements, Systems OR Apparatus) with 1,018 patents. Grants appear in 29 CPC subclasses total.

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

Largan Precision Co., Ltd.'s recent grant velocity is +38% compared to the prior five-year period (grant years, not application filing dates). The company is maintaining or growing its granted-patent output.

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

Largan Precision Co., Ltd.'s patents average 23.6 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 Precision 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 Precision Co., Ltd.

USPTO PatentsView assignee record - 1,046 granted patents across 29 technology areas, recorded in grant years 2015–2025. 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: G02B (Optical Elements, Systems OR Apparatus).

Compiled by PlainPatent · May 15, 2026

RSS updates for this company

Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Largan ranks #433 of 49,997 tracked US assignees by granted-patent volume, with 1,046 patents across 29 technology areas.

#433
of 49,997 US assignees by volume: Top 2%
by Innovation Score (64.1/100): 23.6
avg claims per patent: +38%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R433 · Foreign Corporation #433 · 1,046 grants

GRANTS-LARGE · TOP-DECILE · PHOTO-FINISH · CPC-FOCUS · INNOV-STRONG · CLAIMS-DENSE · TYPE-FRNCORP · VEL-UP · BOOK-FULL

GRANTS-LARGE 1.0K grants
TOP-DECILE #433/49,997
PHOTO-FINISH Avaya
CPC-FOCUS G02B · 29 areas
INNOV-STRONG 64.1/100
CLAIMS-DENSE 23.6 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-UP +38% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Avaya Inc. (±2 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.

Qualcomm Incorporated · highest

85
Arctic Cat · near

64
American Regent · near

64
Largan Precision · this assignee

64
Weatherford… · near

64
Juul Labs · near

64
3D Lighting… · lowest

7

What this shows Largan's Innovation Score is 64.1/100 (top 2% 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.

Where Largan's grants concentrate

Largan Precision Co., Ltd. is a focused PatentsView assignee: 29 CPC subclasses with 97.3% of grants classified under G02B (Optical Elements, Systems OR Apparatus). Peak complete grant year is 2024 (124 grants) versus a trough of 63 in 2015. By volume, Largan sits between RTX Corporation and Genentech, Inc..

Largan's three-year grant acceleration

From 2019–2021 to 2022–2024, Largan Precision Co., Ltd. moved from 330 to 340 grants (1.03x 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 #1,103. See the growth leaderboard.

RTX

1,055
Servicenow

1,052
Duke University

1,050
University of Pit…

1,050
Largan Precision ◀

1,046
Avaya

1,044
Toyota Jidoshokki

1,041
Mitsubishi Chemic…

1,040
Genentech

1,039

What this shows Largan holds 1,046 patents at rank #433, 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 #433 in granted patent volume.

Leaders in G02B (Optical Elements)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Largan, neither rank-band nor same-CPC leaders (those blocks stay above).

Similar innovation score

Nearest assignees by Innovation Score (64 here).

Weatherford Technology Holdings, LLC 64 American Regent, Inc. 64 Arctic Cat Inc. 64 Juul Labs, Inc. 64

Similar claim depth

Nearest assignees by average claims per patent (23.6 here).

GN Hearing A/S 23.6 avg Conviva Inc. 23.6 avg Gecko Robotics, Inc. 23.6 avg i4F Licensing NV 23.6 avg

Largan's Innovation Score vs. every tracked assignee

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

64 Top 2% higher than 98% 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 · 2015–2025

Grants by year

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

View data table

Largan Precision Co., Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	63	6.0%
2016	71	6.8%
2017	64	6.1%
2018	80	7.6%
2019	121	11.6%
2020	111	10.6%
2021	98	9.4%
2022	98	9.4%
2023	118	11.3%
2024	124	11.9%
2025partial year	98	9.4%

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

G02B - Optical Elements, Systems OR Apparatus 1,018

H04N - Pictorial Communication, e.g. Television 180

G03B - Apparatus OR Arrangements FOR Taking Photographs OR FOR Projecting OR Viewing THEM; Apparatus OR Arrangements Employing Analogous Techniques Using Waves Other Than Optical WAVES; Accessories Therefor 86

H04M - Telephonic Communication 18

H10F - Inorganic Semiconductor Devices Sensitive TO Infrared Radiation, Light, Electromagnetic Radiation OF Shorter Wavelength OR Corpuscular Radiation 17

G06V - Image OR Video Recognition OR Understanding 13

B29D - Producing Particular Articles From Plastics OR From Substances IN A Plastic State 8

G01B - Measuring Length, Thickness OR Similar Linear DIMENSIONS; Measuring ANGLES; Measuring AREAS; Measuring Irregularities OF Surfaces OR Contours 6

H01L - Semiconductor Devices NOT Covered BY Class H10 6

H01J - Electric Discharge Tubes OR Discharge Lamps 6

B29C - Shaping OR Joining OF PLASTICS; Shaping OF Material IN A Plastic State, NOT Otherwise Provided FOR; After-treatment OF THE Shaped Products, e.g. Repairing 5

G06F - Electric Digital Data Processing 5

B29L - Indexing Scheme Associated With Subclass B29c, Relating TO Particular Articles 4

H02K - Dynamo-electric Machines 3

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

Top 15 of 29 technology areas

Where it ranks

Overall rank by patents

#433

of 49,997 tracked assignees

Innovation Score

64.1 out of 100

View all rankings →

Data Source

USPTO PatentsView, US granted patents 2015–2025

How is Innovation Score calculated?

What to do with this data

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

Largan Precision Co., Ltd.'s lead technology class is G02B (Optical Elements, Systems OR Apparatus), 97.3% of its portfolio - see every assignee active in that class. Explore G02B
Ranked #433 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Largan Precision Co., Ltd. against RTX Corporation, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 64.1/100 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.