Where does Sumitomo Electric Sintered Alloy, Ltd. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Sumitomo Electric Sintered Alloy, Ltd. ranks #4,134 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 Sumitomo Electric Sintered Alloy, Ltd. hold?

Sumitomo Electric Sintered Alloy, Ltd. holds 87 US utility patents granted between 2015 and 2025, spanning 34 technology areas.

What is Sumitomo Electric Sintered Alloy, Ltd.'s Innovation Score?

Sumitomo Electric Sintered Alloy, Ltd. has an Innovation Score of 49.5 out of 100 (top 15% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Sumitomo Electric Sintered Alloy, Ltd.'s patent grant rate increasing or decreasing?

Sumitomo Electric Sintered Alloy, Ltd.'s recent grant velocity is +124% compared to the prior five-year period (grant years, not application filing dates). This indicates accelerating grant output.

What does claim depth mean for Sumitomo Electric Sintered Alloy, Ltd.'s patents?

Sumitomo Electric Sintered Alloy, 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 Sumitomo Electric Sintered Alloy, 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

Sumitomo Electric Sintered Alloy, Ltd.

Q: What technology areas does Sumitomo Electric Sintered Alloy, Ltd. focus on?

Sumitomo Electric Sintered Alloy, Ltd.'s top technology area is B22F (Working Metallic POWDER; Manufacture OF Articles From Metallic POWDER; Making Metallic Powder ; Apparatus OR Devices Specially Adapted FOR Metallic Powder) with 41 patents. Grants appear in 34 CPC subclasses total.

USPTO PatentsView assignee record - 87 granted patents across 34 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: B22F (Working Metallic POWDER; Manufacture OF Articles From Metallic POWDER; Making Metallic Powder ; Apparatus OR Devices Specially Adapted FOR Metallic Powder).

Compiled by PlainPatent · May 15, 2026

RSS updates for this company

Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Sumitomo ranks #4,134 of 49,997 tracked US assignees by granted-patent volume, with 87 patents across 34 technology areas.

#4,134
of 49,997 US assignees by volume: Top 15%
by Innovation Score (49.5/100): 8.1
avg claims per patent: +124%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R4134 · Foreign Corporation #4,134 · 87 grants

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

GRANTS-SMALL 87 grants
TOP-DECILE #4,134/49,997
PHOTO-FINISH Orbital ATK
CPC-FOCUS B22F · 34 areas
INNOV-PAR 49.5/100
CLAIMS-PAR 8.1 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-SURGE +124% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Orbital ATK, 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
Gutterglove · near

49
Softtronics · near

49
Sumitomo Electric… · this assignee

49
CPG · near

49
Dover Europe Sàrl · near

49
3D Lighting… · lowest

7

What this shows Sumitomo's Innovation Score is 49.5/100 (top 15% 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 Sumitomo's grants concentrate

Sumitomo Electric Sintered Alloy, Ltd. is a focused PatentsView assignee: 34 CPC subclasses with 47.1% of grants classified under B22F (Working Metallic POWDER; Manufacture OF Articles From Metallic POWDER; Making Metallic Powder ; Apparatus OR Devices Specially Adapted FOR Metallic Powder). Peak complete grant year is 2019 (17 grants) versus a trough of 1 in 2017. By volume, Sumitomo sits between Orbital ATK, Inc. and Tamron Co., Ltd..

Sumitomo's three-year grant acceleration

From 2019–2021 to 2022–2024, Sumitomo Electric Sintered Alloy, Ltd. moved from 32 to 41 grants (1.28x the prior three-year total, a multiple, not a CAGR). See the growth leaderboard.

Orbital ATK

87
Panasonic Energy

87
Rani Therapeutics

87
Sumitomo Electric…

87
Suzhou Lekin Semi…

87
Sensirion

87
Shockwave Medical

87
Tamron

87
Sumitomo Electric… ◀

87

What this shows Sumitomo holds 87 patents at rank #4,132, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Sumitomo

By rank, the assignees closest to #4,132 in granted patent volume.

Leaders in B22F (Working Metallic Powder)

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

Assignees with similar portfolio profiles

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

Similar innovation score

Nearest assignees by Innovation Score (49 here).

Gutterglove, Inc. 49 Softtronics, Ltd. 49 Dover Europe Sàrl 49 CPG Technologies, LLC 49

Similar claim depth

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

USG Interiors, LLC 8.1 avg JX Nippon Oil & Energy Corporation 8.1 avg Toshiba Kikai Kabushiki Kaisha 8.1 avg Toyota Boshoku Kabushiki Kaisha 8.1 avg

Sumitomo's Innovation Score vs. every tracked assignee

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

49 Top 15% higher than 85% 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

Sumitomo Electric Sintered Alloy, Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	2	2.3%
2016	3	3.4%
2017	1	1.1%
2018	2	2.3%
2019	17	19.5%
2020	4	4.6%
2021	11	12.6%
2022	11	12.6%
2023	13	14.9%
2024	17	19.5%
2025partial year	6	6.9%

Which technologies does Sumitomo Electric Sintered Alloy, Ltd. patent most?

B22F - Working Metallic POWDER; Manufacture OF Articles From Metallic POWDER; Making Metallic Powder ; Apparatus OR Devices Specially Adapted FOR Metallic Powder 41

C22C - Alloys 27

H02K - Dynamo-electric Machines 15

H01F - MAGNETS; INDUCTANCES; TRANSFORMERS; Selection OF Materials FOR Their Magnetic Properties 14

F16H - Gearing 8

B30B - Presses IN General 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 7

F04C - Rotary-piston, OR Oscillating-piston, Positive-displacement Machines FOR Liquids ; Rotary-piston, OR Oscillating-piston, Positive-displacement Pumps 7

B23B - TURNING; Boring 6

Y10T - Technical Subjects Covered BY Former US Classification 5

B23F - Making Gears OR Toothed Racks 4

F01C - Rotary-piston OR Oscillating-piston Machines OR Engines 4

B23Q - Details, Components, OR Accessories FOR Machine Tools, e.g. Arrangements FOR Copying OR Controlling ; Machine Tools IN General Characterised BY THE Construction OF Particular Details OR COMPONENTS; Combinations OR Associations OF Metal-working Machines, NOT Directed TO A Particular Result 3

G05B - Control OR Regulating Systems IN GENERAL; Functional Elements OF Such SYSTEMS; Monitoring OR Testing Arrangements FOR Such Systems OR Elements 3

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 3

Top 15 of 34 technology areas

Where it ranks

Overall rank by patents

#4,134

of 49,997 tracked assignees

Innovation Score

49.5 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

Sumitomo Electric Sintered Alloy, Ltd.'s patent record in context - here's where to go next.

Sumitomo Electric Sintered Alloy, Ltd.'s lead technology class is B22F (Working Metallic POWDER; Manufacture OF Articles From Metallic POWDER; Making Metallic Powder ; Apparatus OR Devices Specially Adapted FOR Metallic Powder), 47.1% of its portfolio - see every assignee active in that class. Explore B22F
Ranked #4,134 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Sumitomo Electric Sintered Alloy, Ltd. against Orbital ATK, Inc., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 49.5/100 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.