Where does Asahi Glass Co., Ltd. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Asahi Glass Co., Ltd. ranks #1,052 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 Asahi Glass Co., Ltd. hold?

Asahi Glass Co., Ltd. holds 411 US utility patents granted between 2015 and 2024, spanning 121 technology areas.

What is Asahi Glass Co., Ltd.'s Innovation Score?

Asahi Glass Co., Ltd. has an Innovation Score of 56.1 out of 100 (top 6% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Asahi Glass Co., Ltd.'s patent grant rate increasing or decreasing?

Asahi Glass Co., Ltd.'s recent grant velocity is -97% compared to the prior five-year period (grant years, not application filing dates). Grant activity has slowed relative to earlier years.

What does claim depth mean for Asahi Glass Co., Ltd.'s patents?

Asahi Glass Co., Ltd.'s patents average 16.8 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 Asahi Glass 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

Asahi Glass Co., Ltd.

Q: What technology areas does Asahi Glass Co., Ltd. focus on?

Asahi Glass Co., Ltd.'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 110 patents. Grants appear in 121 CPC subclasses total.

USPTO PatentsView assignee record - 411 granted patents across 121 technology areas, recorded in grant years 2015–2024. 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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The verdict

According to USPTO PatentsView, Asahi ranks #1,052 of 49,997 tracked US assignees by granted-patent volume, with 411 patents across 121 technology areas.

#1,052
of 49,997 US assignees by volume: Top 6%
by Innovation Score (56.1/100): 16.8
avg claims per patent: -97%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R1052 · Foreign Corporation #1,052 · 411 grants

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

GRANTS-MID 411 grants
TOP-DECILE #1,052/49,997
PHOTO-FINISH A9 com
CPC-WIDE C03C · 121 areas
INNOV-PAR 56.1/100
CLAIMS-RICH 16.8 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DROP -97% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: A9.com, 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.

Qualcomm Incorporated · highest

85
Advanced Solutions… · near

56
Asahi Glass · this assignee

56
Sato · near

56
Technip Energies… · near

56
Topsoe A/S · near

56
3D Lighting… · lowest

7

What this shows Asahi's Innovation Score is 56.1/100 (top 6% 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 Asahi's grant cadence moved

Between 2020–2024, Asahi Glass Co., Ltd. received 11 grants versus 400 in 2015–2019 (-97% equal-window velocity, below median growth). Across complete PatentsView years, output peaked in 2017 at 111 grants and bottomed in 2024 at 1. Lead class C03C accounts for 26.8% of the portfolio across 121 subclasses. Volume neighbours: Siemens Mobility GmbH (#1,048) and Assa Abloy AB (#1,056).

Asahi's three-year grant acceleration

From 2019–2021 to 2022–2024, Asahi Glass Co., Ltd. moved from 23 to 1 grants (0.04x 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 #3,237. See the growth leaderboard.

Siemens Mobility

413
Andreas Stihl & KG

412
Japan Tobacco

412
A9 com

411
Gigaphoton

411
Asahi Glass ◀

411
Seoul Semiconduct…

410
The Broad Institu…

410
Assa Abloy AB

408

What this shows Asahi holds 411 patents at rank #1,052, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Asahi

By rank, the assignees closest to #1,052 in granted patent volume.

Leaders in C03C (Chemical Composition OF Glasses)

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

Assignees with similar portfolio profiles

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

Similar innovation score

Nearest assignees by Innovation Score (56 here).

Sato Corporation 56 Topsoe A/S 56 Advanced Solutions Life Sciences, LLC 56 Technip Energies France 56

Similar claim depth

Nearest assignees by average claims per patent (16.8 here).

Essity Hygiene AND Health Aktiebolag 16.8 avg Cipla Limited 16.8 avg Ferro Corporation 16.8 avg Innoscience (ZHUHAI) Technology Co., Ltd. 16.8 avg

Asahi's Innovation Score vs. every tracked assignee

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

56 Top 6% higher than 94% 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 · 2015–2024

Grants by year

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

View data table

Asahi Glass Co., Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	88	21.4%
2016	97	23.6%
2017	111	27.0%
2018	91	22.1%
2019	13	3.2%
2020	10	2.4%
2024	1	0.2%

Which technologies does Asahi Glass Co., Ltd. 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 110

G02B - Optical Elements, Systems OR Apparatus 51

Y10T - Technical Subjects Covered BY Former US Classification 49

C08F - Macromolecular Compounds Obtained BY Reactions Only Involving Carbon-to-carbon Unsaturated Bonds 49

C07C - Acyclic OR Carbocyclic Compounds 43

Y02E - Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution 38

Y02P - Climate Change Mitigation Technologies IN THE Production OR Processing OF Goods 36

C03B - Manufacture, Shaping, OR Supplementary Processes 34

C09K - Materials FOR Miscellaneous Applications, NOT Provided FOR Elsewhere 33

C08J - WORKING-UP; General Processes OF COMPOUNDING; After-treatment NOT Covered BY Subclasses C08b, C08c, C08f, C08g or C08h 31

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 30

H01M - Processes OR Means, e.g. Batteries, FOR THE Direct Conversion OF Chemical Energy Into Electrical Energy 30

C23C - Coating Metallic MATERIAL; Coating Material With Metallic MATERIAL; Surface Treatment OF Metallic Material BY Diffusion Into THE Surface, BY Chemical Conversion OR SUBSTITUTION; Coating BY Vacuum Evaporation, BY Sputtering, BY ION Implantation OR BY Chemical Vapour Deposition, IN General 29

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; 26

C08K - Use of inorganic or non-macromolecular organic substances as compounding ingredients 25

Top 15 of 121 technology areas

Where it ranks

Overall rank by patents

#1,052

of 49,997 tracked assignees

Innovation Score

56.1 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

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

Asahi Glass Co., Ltd.'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), 26.8% of its portfolio - see every assignee active in that class. Explore C03C
Ranked #1,052 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Asahi Glass Co., Ltd. against Siemens Mobility GmbH, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 56.1/100 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.