Where does JX Nippon Mining & Metals Corporation rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), JX Nippon Mining & Metals Corporation ranks #1,216 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 JX Nippon Mining & Metals Corporation hold?

JX Nippon Mining & Metals Corporation holds 350 US utility patents granted between 2015 and 2023, spanning 77 technology areas.

What is JX Nippon Mining & Metals Corporation's Innovation Score?

JX Nippon Mining & Metals Corporation has an Innovation Score of 54.3 out of 100 (top 8% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is JX Nippon Mining & Metals Corporation's patent grant rate increasing or decreasing?

JX Nippon Mining & Metals Corporation's recent grant velocity is -49% 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 JX Nippon Mining & Metals Corporation's patents?

JX Nippon Mining & Metals Corporation's patents average 11.5 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 JX Nippon Mining & Metals Corporation 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

JX Nippon Mining & Metals Corporation

Q: What technology areas does JX Nippon Mining & Metals Corporation focus on?

JX Nippon Mining & Metals Corporation's top technology area is 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) with 174 patents. Grants appear in 77 CPC subclasses total.

USPTO PatentsView assignee record - 350 granted patents across 77 technology areas, recorded in grant years 2015–2023. 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: 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 Evap).

Compiled by PlainPatent · May 15, 2026

RSS updates for this company

Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, JX ranks #1,216 of 49,997 tracked US assignees by granted-patent volume, with 350 patents across 77 technology areas.

#1,216
of 49,997 US assignees by volume: Top 8%
by Innovation Score (54.3/100): 11.5
avg claims per patent: -49%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R1216 · Foreign Corporation #1,216 · 350 grants

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

GRANTS-MID 350 grants
TOP-DECILE #1,216/49,997
PHOTO-FINISH Codexis
CPC-WIDE C23C · 77 areas
INNOV-PAR 54.3/100
CLAIMS-PAR 11.5 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DROP -49% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Codexis, 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
Dassault Systemes… · near

54
JX Nippon Mining &… · this assignee

54
Tridonic & KG · near

54
Adtran · near

54
ETO Magnetic · near

54
3D Lighting… · lowest

7

What this shows JX's Innovation Score is 54.3/100 (top 8% 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 JX's grant cadence moved

Between 2020–2024, JX Nippon Mining & Metals Corporation received 118 grants versus 232 in 2015–2019 (-49% equal-window velocity, below median growth). Across complete PatentsView years, output peaked in 2019 at 59 grants and bottomed in 2023 at 16. Lead class C23C accounts for 49.7% of the portfolio across 77 subclasses. Volume neighbours: Codexis, Inc. (#1,212) and Emerson Electric Co. (#1,220).

JX's three-year grant acceleration

From 2019–2021 to 2022–2024, JX Nippon Mining & Metals Corporation moved from 134 to 43 grants (0.32x 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 #2,976. See the growth leaderboard.

Codexis

350
Gamblit Gaming

350
Ii-vi Delaware

350
Jeol

350
Riso Kagaku

350
JX Nippon Mining… ◀

350
Amdocs Development

349
Deutsche Telekom

349
Emerson Electric

349

What this shows JX holds 350 patents at rank #1,216, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near JX

By rank, the assignees closest to #1,216 in granted patent volume.

Leaders in C23C (Coating Metallic Material)

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

Assignees with similar portfolio profiles

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

Similar innovation score

Nearest assignees by Innovation Score (54 here).

Tridonic GmbH & Co KG 54 Dassault Systemes Americas Corp. 54 Adtran, Inc. 54 ETO Magnetic GMBH 54

Similar claim depth

Nearest assignees by average claims per patent (11.5 here).

Safran Helicopter Engines 11.5 avg East China University of Science and Technology 11.5 avg Allergan, Inc. 11.5 avg J. Morita MFG. Corp. 11.5 avg

JX's Innovation Score vs. every tracked assignee

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

54 Top 8% higher than 92% 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 · 2015–2023

Grants by year

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

View data table

JX Nippon Mining & Metals Corporation patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	47	13.4%
2016	44	12.6%
2017	43	12.3%
2018	39	11.1%
2019	59	16.9%
2020	44	12.6%
2021	31	8.9%
2022	27	7.7%
2023	16	4.6%

Which technologies does JX Nippon Mining & Metals Corporation patent most?

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 174

C22C - Alloys 152

H01J - Electric Discharge Tubes OR Discharge Lamps 85

C22F - Changing THE Physical Structure OF Non-ferrous Metals AND Non-ferrous Alloys 75

H05K - Printed CIRCUITS; Casings OR Constructional Details OF Electric APPARATUS; Manufacture OF Assemblages OF Electrical Components 64

Y10T - Technical Subjects Covered BY Former US Classification 59

C25D - Processes FOR THE Electrolytic OR Electrophoretic Production OF COATINGS; ELECTROFORMING; Apparatus Therefor 52

Y02P - Climate Change Mitigation Technologies IN THE Production OR Processing OF Goods 46

B32B - Layered Products, i.e. Products Built-up OF Strata OF Flat OR Non-flat, e.g. Cellular OR Honeycomb, Form 45

C22B - Production AND Refining OF Metals ; Pretreatment OF RAW Materials 41

Y02E - Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution 39

H01B - CABLES; CONDUCTORS; INSULATORS; Selection OF Materials FOR Their Conductive, Insulating OR Dielectric Properties 34

H01M - Processes OR Means, e.g. Batteries, FOR THE Direct Conversion OF Chemical Energy Into Electrical Energy 33

H01L - Semiconductor Devices NOT Covered BY Class H10 33

B22F - Working Metallic POWDER; Manufacture OF Articles From Metallic POWDER; Making Metallic Powder ; Apparatus OR Devices Specially Adapted FOR Metallic Powder 32

Top 15 of 77 technology areas

Where it ranks

Overall rank by patents

#1,216

of 49,997 tracked assignees

Innovation Score

54.3 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

JX Nippon Mining & Metals Corporation's patent record in context - here's where to go next.

JX Nippon Mining & Metals Corporation's lead technology class is 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 Evap), 49.7% of its portfolio - see every assignee active in that class. Explore C23C
Ranked #1,216 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare JX Nippon Mining & Metals Corporation against Codexis, Inc., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 54.3/100 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.