Where does THE Japan Steel Works, Ltd. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), THE Japan Steel Works, Ltd. ranks #2,389 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 THE Japan Steel Works, Ltd. hold?

THE Japan Steel Works, Ltd. holds 164 US utility patents granted between 2015 and 2025, spanning 84 technology areas.

What is THE Japan Steel Works, Ltd.'s Innovation Score?

THE Japan Steel Works, Ltd. has an Innovation Score of 53.7 out of 100 (top 9% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is THE Japan Steel Works, Ltd.'s patent grant rate increasing or decreasing?

THE Japan Steel Works, Ltd.'s recent grant velocity is +54% compared to the prior five-year period (grant years, not application filing dates). This indicates accelerating grant output.

What does claim depth mean for THE Japan Steel Works, Ltd.'s patents?

THE Japan Steel Works, Ltd.'s patents average 10.4 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 THE Japan Steel Works, 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

THE Japan Steel Works, Ltd.

Q: What technology areas does THE Japan Steel Works, Ltd. focus on?

THE Japan Steel Works, Ltd.'s top technology area is B29C (Shaping OR Joining OF PLASTICS; Shaping OF Material IN A Plastic State, NOT Otherwise Provided FOR; After-treatment OF THE Shaped Products, e.g. Repairing) with 81 patents. Grants appear in 84 CPC subclasses total.

USPTO PatentsView assignee record - 164 granted patents across 84 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: B29C (Shaping OR Joining OF PLASTICS; Shaping OF Material IN A Plastic State, NOT Otherwise Provided FOR; After-treatment OF THE Shaped Products, e.g. Repairing).

Compiled by PlainPatent · May 15, 2026

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Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, THE ranks #2,389 of 49,997 tracked US assignees by granted-patent volume, with 164 patents across 84 technology areas.

#2,389
of 49,997 US assignees by volume: Top 9%
by Innovation Score (53.7/100): 10.4
avg claims per patent: +54%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R2389 · Foreign Corporation #2,389 · 164 grants

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

GRANTS-MID 164 grants
TOP-DECILE #2,389/49,997
PHOTO-FINISH Smith & Nephew Asia…
CPC-WIDE B29C · 84 areas
INNOV-PAR 53.7/100
CLAIMS-PAR 10.4 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-SURGE +54% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Smith & Nephew Asia Pacific PTE. Limited (±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
Acacia Communications · near

54
Delphi · near

54
Electrolux Home… · near

54
NEC Solution… · near

54
THE Japan Steel Works · this assignee

54
3D Lighting… · lowest

7

What this shows THE's Innovation Score is 53.7/100 (top 9% 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 THE's grant cadence moved

Between 2020–2024, THE Japan Steel Works, Ltd. received 88 grants versus 57 in 2015–2019 (+54% equal-window velocity, above median growth). Across complete PatentsView years, output peaked in 2021 at 23 grants and bottomed in 2017 at 5. Lead class B29C accounts for 49.4% of the portfolio across 84 subclasses. Volume neighbours: Smith & Nephew Asia Pacific PTE. Limited (#2,385) and American Megatrends International, LLC (#2,393).

THE's three-year grant acceleration

From 2019–2021 to 2022–2024, THE Japan Steel Works, Ltd. moved from 63 to 45 grants (0.71x 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 #2,109. See the growth leaderboard.

Smith & Nephew As…

164
Solvay

164
Smiths Medical ASD

164
THE Board OF Trus…

164
Univation

164
X-celeprint

164
THE Japan Steel W… ◀

164
Acacia Communicat…

163
American Megatren…

163

What this shows THE holds 164 patents at rank #2,389, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near THE

By rank, the assignees closest to #2,389 in granted patent volume.

Leaders in B29C (Shaping OR Joining OF Plastics)

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

Assignees with similar portfolio profiles

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

Similar innovation score

Nearest assignees by Innovation Score (54 here).

Acacia Communications, Inc. 54 NEC Solution Innovators, Ltd. 54 Electrolux Home Products Corporation N. V. 54 Delphi Technologies 54

Similar claim depth

Nearest assignees by average claims per patent (10.4 here).

IPS Group Inc. 10.4 avg Korea Electronics Technology Institute 10.4 avg FG Innovation Company Limited 10.4 avg Daikin Industries, Ltd. 10.4 avg

THE's Innovation Score vs. every tracked assignee

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

54 Top 9% higher than 91% 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

THE Japan Steel Works, Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	12	7.3%
2016	12	7.3%
2017	5	3.0%
2018	8	4.9%
2019	20	12.2%
2020	20	12.2%
2021	23	14.0%
2022	12	7.3%
2023	14	8.5%
2024	19	11.6%
2025partial year	19	11.6%

Which technologies does THE Japan Steel Works, Ltd. patent most?

B29C - Shaping OR Joining OF PLASTICS; Shaping OF Material IN A Plastic State, NOT Otherwise Provided FOR; After-treatment OF THE Shaped Products, e.g. Repairing 81

B29B - Preparation OR Pretreatment OF THE Material TO BE SHAPED; Making Granules OR PREFORMS; Recovery OF Plastics OR Other Constituents OF Waste Material Containing Plastics 31

B29K - Indexing Scheme Associated With Subclasses B29b, B29c OR B29d, Relating TO Moulding Materials OR TO Materials FOR ; Moulds, ; Reinforcements, Fillers OR Preformed Parts, e.g. Inserts 27

H01L - Semiconductor Devices NOT Covered BY Class H10 19

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 17

C22C - Alloys 16

Y02E - Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution 12

B23K - Soldering OR UNSOLDERING; WELDING; Cladding OR Plating BY Soldering OR WELDING; Cutting BY Applying Heat Locally, e.g. Flame CUTTING; Working BY Laser Beam 11

B29L - Indexing Scheme Associated With Subclass B29c, Relating TO Particular Articles 10

C21D - Modifying THE Physical Structure OF Ferrous METALS; General Devices FOR Heat Treatment OF Ferrous OR Non-ferrous Metals OR ALLOYS; Making Metal Malleable, e.g. BY Decarburisation OR Tempering 10

B01J - Chemical OR Physical Processes, e.g. Catalysis OR Colloid CHEMISTRY; Their Relevant Apparatus 9

Y10T - Technical Subjects Covered BY Former US Classification 8

B22D - Casting OF METALS; Casting OF Other Substances BY THE Same Processes OR Devices 8

H03H - Impedance Networks, e.g. Resonant CIRCUITS; Resonators 7

B82Y - Specific Uses OR Applications OF NANOSTRUCTURES; Measurement OR Analysis OF NANOSTRUCTURES; Manufacture OR Treatment OF Nanostructures 7

Top 15 of 84 technology areas

Where it ranks

Overall rank by patents

#2,389

of 49,997 tracked assignees

Innovation Score

53.7 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

THE Japan Steel Works, Ltd.'s patent record in context - here's where to go next.

THE Japan Steel Works, Ltd.'s lead technology class is B29C (Shaping OR Joining OF PLASTICS; Shaping OF Material IN A Plastic State, NOT Otherwise Provided FOR; After-treatment OF THE Shaped Products, e.g. Repairing), 49.4% of its portfolio - see every assignee active in that class. Explore B29C
Ranked #2,389 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare THE Japan Steel Works, Ltd. against Smith & Nephew Asia Pacific PTE. Limited, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 53.7/100 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.