Where does AGC Inc. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), AGC Inc. ranks #457 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 AGC Inc. hold?

AGC Inc. holds 988 US utility patents granted between 2018 and 2025, spanning 158 technology areas.

What is AGC Inc.'s Innovation Score?

AGC Inc. has an Innovation Score of 62.8 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%).

Is AGC Inc.'s patent grant rate increasing or decreasing?

AGC Inc.'s recent grant velocity is +211% compared to the prior five-year period (grant years, not application filing dates). This indicates accelerating grant output.

What does claim depth mean for AGC Inc.'s patents?

AGC Inc.'s patents average 15.2 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 AGC Inc. 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

AGC Inc.

Q: What technology areas does AGC Inc. focus on?

AGC Inc.'s top technology area is C03C (Chemical Composition OF Glasses, Glazes OR Vitreous ENAMELS; Surface Treatment OF GLASS; Surface Treatment OF Fibres OR Filaments Made From Glass, Minerals OR SLAGS; Joining Glass TO Glass OR Other Materials) with 288 patents. Grants appear in 158 CPC subclasses total.

USPTO PatentsView assignee record - 988 granted patents across 158 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: C03C (Chemical Composition OF Glasses, Glazes OR Vitreous ENAMELS; Surface Treatment OF GLASS; Surface Treatment OF Fibres OR Filaments Made From Glass, Minerals OR SLAGS; Joining Glass TO Glass OR Other MA).

Compiled by PlainPatent · May 15, 2026

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Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, AGC ranks #457 of 49,997 tracked US assignees by granted-patent volume, with 988 patents across 158 technology areas.

#457
of 49,997 US assignees by volume: Top 2%
by Innovation Score (62.8/100): 15.2
avg claims per patent: +211%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R457 · Foreign Corporation #457 · 988 grants

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

GRANTS-MID 988 grants
TOP-DECILE #457/49,997
PHOTO-FINISH L'Air Liquide…
CPC-WIDE C03C · 158 areas
INNOV-STRONG 62.8/100
CLAIMS-RICH 15.2 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-SURGE +211% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: L'Air Liquide, Societe Anonyme Pour l'Etude et l'Exploitation des Procedes Georges Claude (±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.

Qualcomm Incorporated · highest

85
AGC · this assignee

63
Dow Silicones · near

63
Huizhou China Star… · near

63
Karsten Manufacturing · near

63
X Display Technology · near

63
3D Lighting… · lowest

7

What this shows AGC's Innovation Score is 62.8/100 (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.

How AGC's grant cadence moved

Between 2020–2024, AGC Inc. received 665 grants versus 214 in 2015–2019 (+211% equal-window velocity, above median growth). Across complete PatentsView years, output peaked in 2019 at 177 grants and bottomed in 2018 at 37. Lead class C03C accounts for 29.1% of the portfolio across 158 subclasses. Volume neighbours: The Board of Trustees of the University of Illinois (#453) and Foxconn Interconnect Technology Limited (#461).

AGC's three-year grant acceleration

From 2019–2021 to 2022–2024, AGC Inc. moved from 488 to 354 grants (0.72x 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 #2,072. See the growth leaderboard.

The Board of Trus…

1,004
Nidec

999
GE Precision Heal…

994
Beijing BOE Techn…

991
L'air Liquide Soc…

988
AGC ◀

988
Snowflake

984
Ebara

983
Foxconn Interconn…

974

What this shows AGC holds 988 patents at rank #457, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near AGC

By rank, the assignees closest to #457 in granted patent volume.

Leaders in C03C (Chemical Composition OF Glasses)

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

Assignees with similar portfolio profiles

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

Similar innovation score

Nearest assignees by Innovation Score (63 here).

Karsten Manufacturing Corporation 63 Dow Silicones Corporation 63 X Display Company Technology Limited 63 Huizhou China Star Optoelectronics Display Co., Ltd. 63

Similar claim depth

Nearest assignees by average claims per patent (15.2 here).

Siemens Healthcare Diagnostics Inc. 15.2 avg Nuvoton Technology Corporation 15.2 avg AT&S Austria Technologie & Systemtechnik Aktiengesellschaft 15.2 avg Outotec (FINLAND) OY 15.2 avg

AGC's Innovation Score vs. every tracked assignee

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

63 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 · 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

AGC Inc. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2018	37	3.7%
2019	177	17.9%
2020	163	16.5%
2021	148	15.0%
2022	125	12.7%
2023	112	11.3%
2024	117	11.8%
2025partial year	109	11.0%

Which technologies does AGC Inc. patent most?

C03C - Chemical Composition OF Glasses, Glazes OR Vitreous ENAMELS; Surface Treatment OF GLASS; Surface Treatment OF Fibres OR Filaments Made From Glass, Minerals OR SLAGS; Joining Glass TO Glass OR Other Materials 288

B32B - Layered Products, i.e. Products Built-up OF Strata OF Flat OR Non-flat, e.g. Cellular OR Honeycomb, Form 246

G02B - Optical Elements, Systems OR Apparatus 173

C09D - Coating Compositions, e.g. Paints, Varnishes OR LACQUERS; Filling PASTES; Chemical Paint OR INK REMOVERS; INKS; Correcting FLUIDS; WOODSTAINS; Pastes OR Solids FOR Colouring OR PRINTING; USE OF Materials Therefor 129

C08F - Macromolecular Compounds Obtained BY Reactions Only Involving Carbon-to-carbon Unsaturated Bonds 126

B60J - Windows, Windscreens, Non-fixed Roofs, Doors, OR Similar Devices FOR VEHICLES; Removable External Protective Coverings Specially Adapted FOR Vehicles 99

C09K - Materials FOR Miscellaneous Applications, NOT Provided FOR Elsewhere 88

C08J - WORKING-UP; General Processes OF COMPOUNDING; After-treatment NOT Covered BY Subclasses C08b, C08c, C08f, C08g or C08h 87

C03B - Manufacture, Shaping, OR Supplementary Processes 82

H01Q - Antennas, i.e. Radio Aerials 78

C08L - Compositions OF Macromolecular Compounds 62

C07C - Acyclic OR Carbocyclic Compounds 60

C08K - Use of inorganic or non-macromolecular organic substances as compounding ingredients 57

Y02P - Climate Change Mitigation Technologies IN THE Production OR Processing OF Goods 56

C08G - Macromolecular Compounds Obtained Otherwise Than BY Reactions Only Involving Unsaturated Carbon-to-carbon Bonds 54

Top 15 of 158 technology areas

Where it ranks

Overall rank by patents

#457

of 49,997 tracked assignees

Innovation Score

62.8 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

AGC Inc.'s patent record in context - here's where to go next.

AGC Inc.'s lead technology class is C03C (Chemical Composition OF Glasses, Glazes OR Vitreous ENAMELS; Surface Treatment OF GLASS; Surface Treatment OF Fibres OR Filaments Made From Glass, Minerals OR SLAGS; Joining Glass TO Glass OR Other MA), 29.1% of its portfolio - see every assignee active in that class. Explore C03C
Ranked #457 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare AGC Inc. against The Board of Trustees of the University of Illinois, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 62.8/100 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.