Where does Nippon Steel & Sumikin Engineering Co., Ltd. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Nippon Steel & Sumikin Engineering Co., Ltd. ranks #6,473 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 Steel & Sumikin Engineering Co., Ltd. hold?

Nippon Steel & Sumikin Engineering Co., Ltd. holds 52 US utility patents granted between 2015 and 2020, spanning 47 technology areas.

What is Nippon Steel & Sumikin Engineering Co., Ltd.'s Innovation Score?

Nippon Steel & Sumikin Engineering Co., Ltd. has an Innovation Score of 42.8 out of 100 (top 30% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Nippon Steel & Sumikin Engineering Co., Ltd.'s patent grant rate increasing or decreasing?

Nippon Steel & Sumikin Engineering Co., Ltd.'s recent grant velocity is -98% 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 Nippon Steel & Sumikin Engineering Co., Ltd.'s patents?

Nippon Steel & Sumikin Engineering Co., Ltd.'s patents average 8.1 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 Steel & Sumikin Engineering 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 Steel & Sumikin Engineering Co., Ltd.

Q: What technology areas does Nippon Steel & Sumikin Engineering Co., Ltd. focus on?

Nippon Steel & Sumikin Engineering Co., Ltd.'s top technology area is C10G (Cracking Hydrocarbon OILS; Production OF Liquid Hydrocarbon Mixtures, e.g. BY Destructive Hydrogenation, Oligomerisation, Polymerisation ; Recovery OF Hydrocarbon Oils From Oil-shale, Oil-sand, OR GASES; Refining Mixtures Mainly Consisting OF HYDROCARBONS; Reforming OF NAPHTHA; Mineral Waxes) with 29 patents, ranking #44 of 504 assignees active in that subclass. Grants appear in 47 CPC subclasses total.

USPTO PatentsView assignee record - 52 granted patents across 47 technology areas, recorded in grant years 2015–2020. 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: C10G (Cracking Hydrocarbon OILS; Production OF Liquid Hydrocarbon Mixtures, e.g. BY Destructive Hydrogenation, Oligomerisation, Polymerisation ; Recovery OF Hydrocarbon Oils From Oil-shale, Oil-sand, OR GAS).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Nippon ranks #6,473 of 49,997 tracked US assignees by granted-patent volume, with 52 patents across 47 technology areas.

#6,473
of 49,997 US assignees by volume: Top 30%
by Innovation Score (42.8/100): 8.1
avg claims per patent: -98%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R6473 · Foreign Corporation #6,473 · 52 grants

GRANTS-SMALL · UPPER-Q · PHOTO-FINISH · CPC-WIDE · INNOV-PAR · CLAIMS-PAR · TYPE-FRNCORP · VEL-DROP · BOOK-FULL

GRANTS-SMALL 52 grants
UPPER-Q #6,473/49,997
PHOTO-FINISH Midmark
CPC-WIDE C10G · 47 areas
INNOV-PAR 42.8/100
CLAIMS-PAR 8.1 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DROP -98% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Midmark Corporation (±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.

How Nippon’s 42.8 Innovation Score adds up

The same four weighted components behind every Innovation Score on PlainPatent: portfolio volume, grant velocity, technology breadth, and claim depth.

Volume 13.7 pts (32%) Velocity 0.0 pts (0%) Breadth 24.2 pts (57%) Claim depth 4.8 pts (11%)

Qualcomm Incorporated · highest

85
Children's Hospital… · near

43
Neopost · near

43
Nippon Steel &… · this assignee

43
W W Grainger · near

43
Wieland-werke · near

43
3D Lighting… · lowest

7

What this shows Nippon's Innovation Score is 42.8/100 (top 30% 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.

Does more volume mean deeper claims for Nippon?

Each dot is one of Nippon’s 8 nearest volume peers (same corpus rank neighbourhood as the chart above), placed by total granted patents (horizontal) against average claims per patent (vertical). Nippon’s own 8.1 claims/patent is ABOVE the 7.9 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

Nippon vs its 8 nearest volume peers: granted patents vs average claims per patent. Source: USPTO PatentsView.

Where Nippon's grants concentrate

Nippon Steel & Sumikin Engineering Co., Ltd. is a focused PatentsView assignee: 47 CPC subclasses with 55.8% of grants classified under C10G (Cracking Hydrocarbon OILS; Production OF Liquid Hydrocarbon Mixtures, e.g. BY Destructive Hydrogenation, Oligomerisation, Polymerisation ; Recovery OF Hydrocarbon Oils From Oil-shale, Oil-sand, OR GAS). Peak complete grant year is 2016 (22 grants) versus a trough of 1 in 2020. By volume, Nippon sits between Midmark Corporation and Procept BioRobotics Corporation.

Midmark

52
Monticello Enterp…

52
Multi-chem Group

52
Nihon Nohyaku

52
Nissei Plastic In…

52
Newage Products

52
Outbrain

52
Procept Bioroboti…

52
Nippon Steel & Su… ◀

52

What this shows Nippon holds 52 patents at rank #6,472, 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 #6,472 in granted patent volume.

Leaders in C10G (Cracking Hydrocarbon OILS)

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). In C10G (Cracking Hydrocarbon OILS), Nippon ranks #44 of 504 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (43 here).

Children's Hospital & Research Center at Oakland 43 Neopost Technologies 43 Wieland-werke AG 43 W.W. Grainger, Inc. 43

Similar claim depth

Nearest assignees by average claims per patent (8.1 here).

Toyo Aluminium Kabushiki Kaisha 8.1 avg Teac Corporation 8.1 avg Blackmagic Design Pty Ltd 8.1 avg Xi'an Jiaotong University 8.1 avg

Nippon's Innovation Score vs. every tracked assignee

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

43 Top 30% higher than 70% 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 · 2015–2020

Grants by year

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

View data table

Nippon Steel & Sumikin Engineering Co., Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	8	15.4%
2016	22	42.3%
2017	14	26.9%
2018	7	13.5%
2020	1	1.9%

Which technologies does Nippon Steel & Sumikin Engineering Co., Ltd. patent most?

C10G - Cracking Hydrocarbon OILS; Production OF Liquid Hydrocarbon Mixtures, e.g. BY Destructive Hydrogenation, Oligomerisation, Polymerisation ; Recovery OF Hydrocarbon Oils From Oil-shale, Oil-sand, OR GASES; Refining Mixtures Mainly Consisting OF HYDROCARBONS; Reforming OF NAPHTHA; Mineral Waxes 29

B01J - Chemical OR Physical Processes, e.g. Catalysis OR Colloid CHEMISTRY; Their Relevant Apparatus 19

Y02P - Climate Change Mitigation Technologies IN THE Production OR Processing OF Goods 11

B01D - Separation 7

E04H - Buildings OR Like Structures FOR Particular PURPOSES; Swimming OR Splash Baths OR POOLS; MASTS; FENCING; Tents OR Canopies, IN General 6

Y02E - Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution 5

E04B - General Building CONSTRUCTIONS; Walls, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; Insulation OR Other Protection OF Buildings 5

C07C - Acyclic OR Carbocyclic Compounds 4

C21B - Manufacture OF Iron OR Steel 4

Y02C - Capture, Storage, Sequestration OR Disposal OF Greenhouse Gases [GHG] 3

C01B - Non-metallic ELEMENTS; Compounds THEREOF; ; Metalloids OR Compounds Thereof NOT Covered BY Subclass C01c 3

C12P - Fermentation OR Enzyme-using Processes TO Synthesise A Desired Chemical Compound OR Composition OR TO Separate Optical Isomers From A Racemic Mixture 3

C10K - Purifying OR Modifying THE Chemical Composition OF Combustible Gases Containing Carbon Monoxide 2

C12N - Microorganisms OR ENZYMES; Compositions THEREOF; Propagating, Preserving, OR Maintaining MICROORGANISMS; Mutation OR Genetic ENGINEERING; Culture Media 2

C12R - Indexing Scheme Associated With Subclasses C12c - C12q, Relating TO Microorganisms 2

Top 15 of 47 technology areas

More on this record

Data Source

USPTO PatentsView, US granted patents 2015–2025

View all rankings → How is Innovation Score calculated?

What to do with this data

Nippon Steel & Sumikin Engineering Co., Ltd.'s patent record in context - here's where to go next.

Nippon Steel & Sumikin Engineering Co., Ltd.'s lead technology class is C10G (Cracking Hydrocarbon OILS; Production OF Liquid Hydrocarbon Mixtures, e.g. BY Destructive Hydrogenation, Oligomerisation, Polymerisation ; Recovery OF Hydrocarbon Oils From Oil-shale, Oil-sand, OR GAS), 55.8% of its portfolio - see every assignee active in that class. Explore C10G
Ranked #6,473 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Nippon Steel & Sumikin Engineering Co., Ltd. against Midmark Corporation, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 42.8/100 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.