Where does National Chemical Company LLC rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), National Chemical Company LLC ranks #48,973 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 National Chemical Company LLC hold?

National Chemical Company LLC holds 5 US utility patents granted between 2016 and 2018, spanning 3 technology areas.

What is National Chemical Company LLC's Innovation Score?

National Chemical Company LLC has an Innovation Score of 12.9 out of 100 (2nd percentile of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is National Chemical Company LLC's patent grant rate increasing or decreasing?

National Chemical Company LLC's recent grant velocity is -100% 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 National Chemical Company LLC's patents?

National Chemical Company LLC's patents average 1.0 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 National Chemical Company LLC 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

National Chemical Company LLC

Q: What technology areas does National Chemical Company LLC focus on?

National Chemical Company LLC's top technology area is F21K (Non-electric Light Sources Using LUMINESCENCE; Light Sources Using ELECTROCHEMILUMINESCENCE; Light Sources Using Charges OF Combustible MATERIAL; Light Sources Using Semiconductor Devices AS Light-generating ELEMENTS; Light Sources NOT Otherwise Provided FOR) with 1 patents. Grants appear in 3 CPC subclasses total.

USPTO PatentsView assignee record - 5 granted patents across 3 technology areas, recorded in grant years 2016–2018. 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: F21K (Non-electric Light Sources Using LUMINESCENCE; Light Sources Using ELECTROCHEMILUMINESCENCE; Light Sources Using Charges OF Combustible MATERIAL; Light Sources Using Semiconductor Devices AS Light-gen).

Compiled by PlainPatent · May 15, 2026

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Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, National ranks #48,973 of 49,997 tracked US assignees by granted-patent volume, with 5 patents across 3 technology areas.

#48,973
of 49,997 US assignees by volume: 2nd percentile
by Innovation Score (12.9/100): 1.0
avg claims per patent: -100%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R48973 · Foreign Corporation #48,973 · 5 grants

GRANTS-MICRO · BOTTOM-DECILE · PHOTO-FINISH · CPC-NARROW · INNOV-LOW · CLAIMS-SPARSE · TYPE-FRNCORP · VEL-DROP · BOOK-FULL

GRANTS-MICRO 5 grants
BOTTOM-DECILE #48,973/49,997
PHOTO-FINISH Nansin
CPC-NARROW F21K · 3 areas
INNOV-LOW 12.9/100
CLAIMS-SPARSE 1.0 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DROP -100% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Nansin 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
Fides B V · near

13
National Chemical · this assignee

13
Layer3 TV · near

13
The Topps · near

13
Brandcore · near

13
3D Lighting… · lowest

7

What this shows National's Innovation Score is 12.9/100 (2nd percentile 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 National's grants concentrate

National Chemical Company LLC is a focused PatentsView assignee: 3 CPC subclasses with 20% of grants classified under F21K (Non-electric Light Sources Using LUMINESCENCE; Light Sources Using ELECTROCHEMILUMINESCENCE; Light Sources Using Charges OF Combustible MATERIAL; Light Sources Using Semiconductor Devices AS Light-gen). Peak complete grant year is 2017 (3 grants) versus a trough of 1 in 2016. By volume, National sits between Nansin Co., Ltd. and National Research AND Development Agency National Agriculture AND Food Research Organization.

Nansin

5
Naqi Logics

5
Nati Brook Ventur…

5
National Cancer C…

5
National Engineer…

5
National Institut…

5
National Institut…

5
National Research…

5
National Chemical ◀

5

What this shows National holds 5 patents at rank #48,962, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near National

By rank, the assignees closest to #48,962 in granted patent volume.

Leaders in F21K (Non-electric Light Sources Using Luminescence)

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

Assignees with similar portfolio profiles

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

Similar innovation score

Nearest assignees by Innovation Score (13 here).

Layer3 TV, Inc. 13 The Topps Company, Inc. 13 Brandcore Limited 13 Fides B.V. 13

National's Innovation Score vs. every tracked assignee

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

13 2nd percentile higher than 2% 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 · 2016–2018

Grants by year

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

View data table

National Chemical Company LLC patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2016	1	20.0%
2017	3	60.0%
2018	1	20.0%

Which technologies does National Chemical Company LLC patent most?

F21K - Non-electric Light Sources Using LUMINESCENCE; Light Sources Using ELECTROCHEMILUMINESCENCE; Light Sources Using Charges OF Combustible MATERIAL; Light Sources Using Semiconductor Devices AS Light-generating ELEMENTS; Light Sources NOT Otherwise Provided FOR 1

F21Y - Indexing Scheme Associated With Subclasses F21k, F21l, F21s and F21v, Relating TO THE Form OR THE Kind OF THE Light Sources OR OF THE Colour OF THE Light Emitted 1

F21V - Functional Features OR Details OF Lighting Devices OR Systems THEREOF; Structural Combinations OF Lighting Devices With Other Articles, NOT Otherwise Provided FOR 1

Top 3 of 3 technology areas

Where it ranks

Overall rank by patents

#48,973

of 49,997 tracked assignees

Innovation Score

12.9 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

National Chemical Company LLC's patent record in context - here's where to go next.

National Chemical Company LLC's lead technology class is F21K (Non-electric Light Sources Using LUMINESCENCE; Light Sources Using ELECTROCHEMILUMINESCENCE; Light Sources Using Charges OF Combustible MATERIAL; Light Sources Using Semiconductor Devices AS Light-gen), 20% of its portfolio - see every assignee active in that class. Explore F21K
Ranked #48,973 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare National Chemical Company LLC against Nansin Co., Ltd., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 12.9/100 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.