Where does Dowa Metaltech Co., Ltd. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Dowa Metaltech Co., Ltd. ranks #5,356 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 Dowa Metaltech Co., Ltd. hold?

Dowa Metaltech Co., Ltd. holds 64 US utility patents granted between 2015 and 2025, spanning 22 technology areas.

What is Dowa Metaltech Co., Ltd.'s Innovation Score?

Dowa Metaltech Co., Ltd. has an Innovation Score of 43.1 out of 100 (top 29% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Dowa Metaltech Co., Ltd. focus on?

Dowa Metaltech Co., Ltd.'s top technology area is C22C (Alloys) with 29 patents, ranking #60 of 948 assignees active in that subclass. Grants appear in 22 CPC subclasses total.

Is Dowa Metaltech Co., Ltd.'s patent grant rate increasing or decreasing?

Dowa Metaltech Co., Ltd.'s recent grant velocity is +11% 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 Dowa Metaltech Co., Ltd.'s patents?

Dowa Metaltech Co., Ltd.'s patents average 10.2 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 Dowa Metaltech 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

Dowa Metaltech Co., Ltd.

USPTO PatentsView assignee record - 64 granted patents across 22 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: C22C (Alloys).

Compiled by PlainPatent · May 15, 2026

RSS updates for this company

Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Dowa ranks #5,356 of 49,997 tracked US assignees by granted-patent volume, with 64 patents across 22 technology areas.

#5,356
of 49,997 US assignees by volume: Top 29%
by Innovation Score (43.1/100): 10.2
avg claims per patent: +11%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R5356 · Foreign Corporation #5,356 · 64 grants

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

GRANTS-SMALL 64 grants
UPPER-Q #5,356/49,997
PHOTO-FINISH Capsugel Belgium
CPC-FOCUS C22C · 22 areas
INNOV-PAR 43.1/100
CLAIMS-PAR 10.2 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-UP +11% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Capsugel Belgium NV (±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 Dowa’s 43.1 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 14.4 pts (33%) Velocity 6.0 pts (14%) Breadth 16.6 pts (39%) Claim depth 6.1 pts (14%)

Qualcomm Incorporated · highest

85
Apollo Tyres Global… · near

43
Atrium Medical · near

43
Choon's Design · near

43
Dowa Metaltech · this assignee

43
NGM Biopharmaceuticals · near

43
3D Lighting… · lowest

7

What this shows Dowa's Innovation Score is 43.1/100 (top 29% 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 Dowa?

Each dot is one of Dowa’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). Dowa’s own 10.2 claims/patent is at or below the 15.3 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

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

Where Dowa's grants concentrate

Dowa Metaltech Co., Ltd. is a focused PatentsView assignee: 22 CPC subclasses with 45.3% of grants classified under C22C (Alloys). Peak complete grant year is 2024 (10 grants) versus a trough of 3 in 2015. By volume, Dowa sits between Capsugel Belgium NV and Federal Signal Corporation.

Dowa's three-year grant acceleration

Dowa Metaltech Co., Ltd. shows 17 grants in 2022–2024 against only 19 in 2019–2021. That prior window is too thin for a growth multiple (rename and spin-out assignees look artificially high when the baseline is near zero), so PlainPatent withholds a ranked acceleration claim here.

Capsugel Belgium

64
Continental Auton…

64
D2S

64
Detnet South Afri…

64
Danco

64
Fast IP

64
Felica Networks

64
Federal Signal

64
Dowa Metaltech ◀

64

What this shows Dowa holds 64 patents at rank #5,355, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Dowa

By rank, the assignees closest to #5,355 in granted patent volume.

Leaders in C22C (Alloys)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Dowa, neither rank-band nor same-CPC leaders (those blocks stay above). In C22C (Alloys), Dowa ranks #60 of 948 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (43 here).

Atrium Medical Corporation 43 NGM Biopharmaceuticals, Inc. 43 Choon's Design LLC 43 Apollo Tyres Global R&D B.V. 43

Similar claim depth

Nearest assignees by average claims per patent (10.2 here).

ebm-papst Mulfingen GmbH & Co. KG 10.2 avg Foxlink Image Technology Co., Ltd. 10.2 avg Bridgestone Bandag, LLC 10.2 avg Pierburg Pump Technology GMBH 10.2 avg

Dowa's Innovation Score vs. every tracked assignee

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

43 Top 29% higher than 71% 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

Dowa Metaltech Co., Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	3	4.7%
2016	9	14.1%
2017	6	9.4%
2018	5	7.8%
2019	5	7.8%
2020	7	10.9%
2021	7	10.9%
2022	4	6.3%
2023	3	4.7%
2024	10	15.6%
2025partial year	5	7.8%

Which technologies does Dowa Metaltech Co., Ltd. patent most?

C22C - Alloys 29

C25D - Processes FOR THE Electrolytic OR Electrophoretic Production OF COATINGS; ELECTROFORMING; Apparatus Therefor 23

H01R - Electrically-conductive CONNECTIONS; Structural Associations OF A Plurality OF Mutually-insulated Electrical Connecting ELEMENTS; Coupling DEVICES; Current Collectors 22

C22F - Changing THE Physical Structure OF Non-ferrous Metals AND Non-ferrous Alloys 22

Y10T - Technical Subjects Covered BY Former US Classification 20

H01L - Semiconductor Devices NOT Covered BY Class H10 17

B32B - Layered Products, i.e. Products Built-up OF Strata OF Flat OR Non-flat, e.g. Cellular OR Honeycomb, Form 13

H01B - CABLES; CONDUCTORS; INSULATORS; Selection OF Materials FOR Their Conductive, Insulating OR Dielectric Properties 13

H01H - Electric SWITCHES; RELAYS; SELECTORS; Emergency Protective Devices 13

H05K - Printed CIRCUITS; Casings OR Constructional Details OF Electric APPARATUS; Manufacture OF Assemblages OF Electrical Components 12

C04B - Lime, MAGNESIA; SLAG; CEMENTS; Compositions Thereof, e.g. Mortars, Concrete OR Like Building MATERIALS; Artificial Stone ; Ceramics ; REFRACTORIES; Treatment OF Natural Stone 7

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 6

F28F - Details OF Heat-exchange AND Heat-transfer Apparatus, OF General Application 4

C25F - Processes FOR THE Electrolytic Removal OF Materials From OBJECTS; Apparatus Therefor 4

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 3

Top 15 of 22 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

Dowa Metaltech Co., Ltd.'s patent record in context - here's where to go next.

Dowa Metaltech Co., Ltd.'s lead technology class is C22C (Alloys), 45.3% of its portfolio - see every assignee active in that class. Explore C22C
Ranked #5,356 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Dowa Metaltech Co., Ltd. against Capsugel Belgium NV, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 43.1/100 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.