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

According to USPTO PatentsView (2015–2025 granted utility patents), Nippon Electric Glass Co., Ltd. ranks #1,172 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 Nippon Electric Glass Co., Ltd. hold?

Nippon Electric Glass Co., Ltd. holds 363 US utility patents granted between 2015 and 2025, spanning 96 technology areas.

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

Nippon Electric Glass Co., Ltd. has an Innovation Score of 58.5 out of 100 (top 4% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

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

Nippon Electric Glass Co., Ltd.'s recent grant velocity is +20% 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 Nippon Electric Glass Co., Ltd.'s patents?

Nippon Electric Glass Co., Ltd.'s patents average 9.6 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 Nippon Electric 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

Nippon Electric Glass Co., Ltd.

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

Nippon Electric 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 194 patents. Grants appear in 96 CPC subclasses total.

USPTO PatentsView assignee record - 363 granted patents across 96 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: 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, Nippon ranks #1,172 of 49,997 tracked US assignees by granted-patent volume, with 363 patents across 96 technology areas.

#1,172
of 49,997 US assignees by volume: Top 4%
by Innovation Score (58.5/100): 9.6
avg claims per patent: +20%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R1172 · Foreign Corporation #1,172 · 363 grants

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

GRANTS-MID 363 grants
TOP-DECILE #1,172/49,997
PHOTO-FINISH Ability Opto-…
CPC-WIDE C03C · 96 areas
INNOV-PAR 58.5/100
CLAIMS-PAR 9.6 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-UP +20% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Ability Opto-electronics Technology Co., Ltd. (±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
Chugai Seiyaku · near

59
Nippon Electric Glass · this assignee

59
Somfy Activites · near

59
MTU Aero Engines · near

59
Nutanix · near

59
3D Lighting… · lowest

7

What this shows Nippon's Innovation Score is 58.5/100 (top 4% 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 Nippon's grant cadence moved

Between 2020–2024, Nippon Electric Glass Co., Ltd. received 181 grants versus 151 in 2015–2019 (+20% equal-window velocity, above median growth). Across complete PatentsView years, output peaked in 2024 at 41 grants and bottomed in 2018 at 23. Lead class C03C accounts for 53.4% of the portfolio across 96 subclasses. Volume neighbours: Excalibur IP, LLC (#1,168) and Plantronics, Inc. (#1,176).

Nippon's three-year grant acceleration

From 2019–2021 to 2022–2024, Nippon Electric Glass Co., Ltd. moved from 102 to 113 grants (1.11x 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 #944. See the growth leaderboard.

Excalibur IP

364
Karl Storz SE & KG

364
Ability Opto- Tec…

363
Fenwal

363
Sigmasense

363
Stryker European…

363
Nippon Electric G… ◀

363
Coupang

362
Plantronics

362

What this shows Nippon holds 363 patents at rank #1,172, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Nippon

By rank, the assignees closest to #1,172 in granted patent volume.

Leaders in C03C (Chemical Composition OF Glasses)

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

Assignees with similar portfolio profiles

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

Similar innovation score

Nearest assignees by Innovation Score (59 here).

Somfy Activites SA 59 Chugai Seiyaku Kabushiki Kaisha 59 MTU Aero Engines AG 59 Nutanix, Inc. 59

Similar claim depth

Nearest assignees by average claims per patent (9.6 here).

JFE Steel Corporation 9.6 avg Nomura Research Institute, Ltd. 9.6 avg Dai-ichi Kogyo Seiyaku Co., Ltd. 9.6 avg Rohm and Haas Company 9.6 avg

Nippon's Innovation Score vs. every tracked assignee

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

59 Top 4% higher than 96% 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

Nippon Electric Glass Co., Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	35	9.6%
2016	32	8.8%
2017	27	7.4%
2018	23	6.3%
2019	34	9.4%
2020	38	10.5%
2021	30	8.3%
2022	40	11.0%
2023	32	8.8%
2024	41	11.3%
2025partial year	31	8.5%

Which technologies does Nippon Electric 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 194

C03B - Manufacture, Shaping, OR Supplementary Processes 143

G02B - Optical Elements, Systems OR Apparatus 70

B32B - Layered Products, i.e. Products Built-up OF Strata OF Flat OR Non-flat, e.g. Cellular OR Honeycomb, Form 54

Y10T - Technical Subjects Covered BY Former US Classification 47

Y02E - Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution 45

Y02P - Climate Change Mitigation Technologies IN THE Production OR Processing OF Goods 40

H10H - Inorganic Light-emitting Semiconductor Devices Having Potential Barriers 38

B65H - Handling Thin OR Filamentary Material, e.g. Sheets, Webs, Cables 30

H01L - Semiconductor Devices NOT Covered BY Class H10 28

H10K - Organic Electric Solid-state Devices 26

H01M - Processes OR Means, e.g. Batteries, FOR THE Direct Conversion OF Chemical Energy Into Electrical Energy 24

C09K - Materials FOR Miscellaneous Applications, NOT Provided FOR Elsewhere 24

G02F - Optical Devices OR Arrangements FOR THE Control OF Light BY Modification OF THE Optical Properties OF THE Media OF THE Elements Involved THEREIN; Non-linear OPTICS; Frequency-changing OF LIGHT; Optical Logic ELEMENTS; Optical ANALOGUE/DIGITAL Converters 24

H05B - Electric HEATING; Electric Light Sources NOT Otherwise Provided FOR; Circuit Arrangements FOR Electric Light Sources, IN General 19

Top 15 of 96 technology areas

Where it ranks

Overall rank by patents

#1,172

of 49,997 tracked assignees

Innovation Score

58.5 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

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

Nippon Electric 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), 53.4% of its portfolio - see every assignee active in that class. Explore C03C
Ranked #1,172 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Nippon Electric Glass Co., Ltd. against Excalibur IP, LLC, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 58.5/100 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.