Where does Mahle Filter Systems Japan Corporation rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Mahle Filter Systems Japan Corporation ranks #6,170 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 Mahle Filter Systems Japan Corporation hold?

Mahle Filter Systems Japan Corporation holds 55 US utility patents granted between 2015 and 2024, spanning 47 technology areas.

What is Mahle Filter Systems Japan Corporation's Innovation Score?

Mahle Filter Systems Japan Corporation has an Innovation Score of 45.0 out of 100 (top 24% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Mahle Filter Systems Japan Corporation's patent grant rate increasing or decreasing?

Mahle Filter Systems Japan Corporation's recent grant velocity is -59% 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 Mahle Filter Systems Japan Corporation's patents?

Mahle Filter Systems Japan Corporation's patents average 8.3 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 Mahle Filter Systems Japan 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

Mahle Filter Systems Japan Corporation

Q: What technology areas does Mahle Filter Systems Japan Corporation focus on?

Mahle Filter Systems Japan Corporation's top technology area is F02M (Supplying Combustion Engines IN General With Combustible Mixtures OR Constituents Thereof) with 22 patents. Grants appear in 47 CPC subclasses total.

USPTO PatentsView assignee record - 55 granted patents across 47 technology areas, recorded in grant years 2015–2024. 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: F02M (Supplying Combustion Engines IN General With Combustible Mixtures OR Constituents Thereof).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Mahle ranks #6,170 of 49,997 tracked US assignees by granted-patent volume, with 55 patents across 47 technology areas.

#6,170
of 49,997 US assignees by volume: Top 24%
by Innovation Score (45.0/100): 8.3
avg claims per patent: -59%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R6170 · Foreign Corporation #6,170 · 55 grants

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

GRANTS-SMALL 55 grants
UPPER-Q #6,170/49,997
PHOTO-FINISH MAG Aerospace…
CPC-WIDE F02M · 47 areas
INNOV-PAR 45.0/100
CLAIMS-PAR 8.3 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DROP -59% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: MAG Aerospace Industries, LLC (±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
Cummins IP · near

45
LEM International · near

45
Mahle Filter… · this assignee

45
Powertech Technology · near

45
SKF Magnetic… · near

45
3D Lighting… · lowest

7

What this shows Mahle's Innovation Score is 45.0/100 (top 24% 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 Mahle's grants concentrate

Mahle Filter Systems Japan Corporation is a focused PatentsView assignee: 47 CPC subclasses with 40% of grants classified under F02M (Supplying Combustion Engines IN General With Combustible Mixtures OR Constituents Thereof). Peak complete grant year is 2019 (16 grants) versus a trough of 1 in 2023. By volume, Mahle sits between MAG Aerospace Industries, LLC and Musashi Seimitsu Industry Co., Ltd..

Mahle's three-year grant acceleration

From 2019–2021 to 2022–2024, Mahle Filter Systems Japan Corporation moved from 25 to 7 grants (0.28x the prior three-year total, a multiple, not a CAGR). See the growth leaderboard.

MAG Aerospace Ind…

55
MAN Truck & Bus SE

55
Medicrea Internat…

55
Microport Orthope…

55
Metso Minerals

55
Micro Focus Softw…

55
Minimax Viking Re…

55
Musashi Seimitsu…

55
Mahle Filter Syst… ◀

55

What this shows Mahle holds 55 patents at rank #6,172, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Mahle

By rank, the assignees closest to #6,172 in granted patent volume.

Leaders in F02M (Supplying Combustion Engines IN General With Combustible…)

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

Assignees with similar portfolio profiles

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

Similar innovation score

Nearest assignees by Innovation Score (45 here).

Cummins IP, Inc. 45 SKF Magnetic Mechatronics 45 Powertech Technology Inc. 45 LEM International SA 45

Similar claim depth

Nearest assignees by average claims per patent (8.3 here).

Yanmar Holdings Co., Ltd. 8.3 avg Hanwha Vision Co., Ltd. 8.3 avg The Noco Company 8.3 avg Mitsubishi Jidosha Kogyo Kabushiki Kaisha 8.3 avg

Mahle's Innovation Score vs. every tracked assignee

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

45 Top 24% higher than 76% 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 · 2015–2024

Grants by year

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

View data table

Mahle Filter Systems Japan Corporation patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	6	10.9%
2016	3	5.5%
2017	3	5.5%
2018	11	20.0%
2019	16	29.1%
2020	7	12.7%
2021	2	3.6%
2022	4	7.3%
2023	1	1.8%
2024	2	3.6%

Which technologies does Mahle Filter Systems Japan Corporation patent most?

F02M - Supplying Combustion Engines IN General With Combustible Mixtures OR Constituents Thereof 22

F01M - Lubricating OF Machines OR Engines IN GENERAL; Lubricating Internal Combustion ENGINES; Crankcase Ventilating 16

F28D - Heat-exchange Apparatus, NOT Provided FOR IN Another Subclass, IN Which THE Heat-exchange Media DO NOT Come Into Direct Contact 12

B01D - Separation 11

F28F - Details OF Heat-exchange AND Heat-transfer Apparatus, OF General Application 10

Y02T - Climate Change Mitigation Technologies Related TO Transportation 7

F02B - Internal-combustion Piston ENGINES; Combustion Engines IN General 7

F02F - Cylinders, Pistons OR Casings, FOR Combustion ENGINES; Arrangements OF Sealings IN Combustion Engines 5

F02D - Controlling Combustion Engines 5

F04C - Rotary-piston, OR Oscillating-piston, Positive-displacement Machines FOR Liquids ; Rotary-piston, OR Oscillating-piston, Positive-displacement Pumps 4

F16J - Pistons ; CYLINDERS; Sealings 4

F01P - Cooling OF Machines OR Engines IN GENERAL; Cooling OF Internal-combustion Engines 3

B60K - Arrangement OR Mounting OF Propulsion Units OR OF Transmissions IN VEHICLES; Arrangement OR Mounting OF Plural Diverse Prime-movers IN VEHICLES; Auxiliary Drives FOR VEHICLES; Instrumentation OR Dashboards FOR VEHICLES; Arrangements IN Connection With Cooling, AIR Intake, GAS Exhaust OR Fuel Supply 3

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 3

F04D - Non-positive-displacement Pumps 3

Top 15 of 47 technology areas

Where it ranks

Overall rank by patents

#6,170

of 49,997 tracked assignees

Innovation Score

45.0 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

Mahle Filter Systems Japan Corporation's patent record in context - here's where to go next.

Mahle Filter Systems Japan Corporation's lead technology class is F02M (Supplying Combustion Engines IN General With Combustible Mixtures OR Constituents Thereof), 40% of its portfolio - see every assignee active in that class. Explore F02M
Ranked #6,170 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Mahle Filter Systems Japan Corporation against MAG Aerospace Industries, LLC, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 45.0/100 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.