Overall rank by patents
#21,465
of 50,000 tracked assignees
USPTO PatentsView assignee record - 13 granted patents across 11 technology areas, recorded in grant years 2021–2025. 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: F02B (INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL).
The verdict
According to USPTO PatentsView, Mitsubishi ranks #21,465 of 50,000 tracked US assignees by granted-patent volume, with 13 patents across 11 technology areas.
USPTO PatentsView assignee plate
Corpus R21465 · Foreign Corporation #21,465 · 13 grants
GRANTS-MICRO · MID-PACK · PHOTO-FINISH · CPC-FOCUS · INNOV-PAR · CLAIMS-PAR · TYPE-FRNCORP · SPAN-YRS · BOOK-RICH
Nearest grant-volume peer: MINE ONE Gmbh (±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.
Lowest and highest poles plus nearest Innovation Score peers, not a full corpus board reprint.
Qualcomm Incorporated · highest
85 score
Mitsubishi Heavy Ind… · this assignee
46 score
3D Lighting Innovati… · lowest
7 score
What this shows Mitsubishi's Innovation Score is 46.2/100 (top 21% 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.
Mitsubishi Heavy Industries Marine Machinery & Equipment Co., Ltd. is a focused PatentsView assignee: 11 CPC subclasses with 84.6% of grants classified under F02B (INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL). Peak complete grant year is 2022 (7 grants) versus a trough of 1 in 2021. By volume, Mitsubishi sits between MINE ONE Gmbh and Morphpackers Limited.
Granted US patents 2015–2025 versus its nearest-ranked assignees by volume, this company marked ◀
MINE ONE GmbH
13 patents
MISUMI CORPORATION
13 patents
MITOTECH S.A.
13 patents
MITRALTECH LTD.
13 patents
MO-SCI CORPORATION
13 patents
MONTAGE TECHNOLOGY (KUNSHAN) CO., LTD.
13 patents
MOONSHADOW MOBILE, INC.
13 patents
MORPHPACKERS LIMITED
13 patents
MITSUBISHI HEAVY INDUSTRIES MARINE MACHINERY & EQUIPMENT CO., LTD.
13 patents
What this shows Mitsubishi holds 13 patents at rank #21,428, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.
By rank, the assignees closest to #21,428 in granted patent volume.
Other assignees with the most granted patents in Mitsubishi's primary technology class.
Mitsubishi's Innovation Score vs. every tracked assignee
Composite of portfolio volume, grant velocity, technology breadth, and claim depth (0–100)
46 Top 21% higher than 79% of 50,000 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
Teal-shaded recent years (2020–present) versus the 2021–2019 baseline. Full figures in the table below.
| Year | Patents Granted | Share of Period |
|---|---|---|
| 2021 | 1 | 7.7% |
| 2022 | 7 | 53.8% |
| 2023 | 2 | 15.4% |
| 2024 | 2 | 15.4% |
| 2025partial year | 1 | 7.7% |
Top 11 of 11 technology areas
Overall rank by patents
#21,465
of 50,000 tracked assignees
46.2 out of 100
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.