Overall rank by patents
#23,001
of 50,000 tracked assignees
USPTO PatentsView assignee record - 12 granted patents across 19 technology areas, recorded in grant years 2017–2024. 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: B01D (SEPARATION).
The verdict
According to USPTO PatentsView, Mitsubishi ranks #23,001 of 50,000 tracked US assignees by granted-patent volume, with 12 patents across 19 technology areas.
USPTO PatentsView assignee plate
Corpus R23001 · Foreign Corporation #23,001 · 12 grants
GRANTS-MICRO · MID-PACK · PHOTO-FINISH · CPC-FOCUS · INNOV-THIN · CLAIMS-PAR · TYPE-FRNCORP · VEL-SURGE · BOOK-FULL
Nearest grant-volume peer: Millipede, 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.
Lowest and highest poles plus nearest Innovation Score peers, not a full corpus board reprint.
Qualcomm Incorporated · highest
85 score
Mitsubishi Chemical… · this assignee
35 score
3D Lighting Innovati… · lowest
7 score
What this shows Mitsubishi's Innovation Score is 35.3/100 (top 50% 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 Chemical Engineering Corporation is a focused PatentsView assignee: 19 CPC subclasses with 33.3% of grants classified under B01D (SEPARATION). Peak complete grant year is 2021 (4 grants) versus a trough of 1 in 2017. By volume, Mitsubishi sits between Millipede, Inc. and Mitsubishi Shipbuilding Co., Ltd..
Granted US patents 2015–2025 versus its nearest-ranked assignees by volume, this company marked ◀
MILLIPEDE, INC.
12 patents
MING CHUAN UNIVERSITY
12 patents
MINKPAPIR A/S
12 patents
MIRAMEMS SENSING TECHNOLOGY CO., LTD.
12 patents
MITSUBISHI CORPORATION
12 patents
MITSUBISHI GENERATOR CO., LTD.
12 patents
MITSUBISHI HEAVY INDUSTRIES PLASTIC TECHNOLOGY CO., LTD.
12 patents
MITSUBISHI SHIPBUILDING CO., LTD.
12 patents
MITSUBISHI CHEMICAL ENGINEERING CORPORATION
12 patents
What this shows Mitsubishi holds 12 patents at rank #22,955, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.
By rank, the assignees closest to #22,955 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)
35 Top 50% higher than 50% 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 2017–2019 baseline. Full figures in the table below.
| Year | Patents Granted | Share of Period |
|---|---|---|
| 2017 | 1 | 8.3% |
| 2019 | 1 | 8.3% |
| 2020 | 1 | 8.3% |
| 2021 | 4 | 33.3% |
| 2023 | 2 | 16.7% |
| 2024 | 3 | 25.0% |
Top 15 of 19 technology areas
Overall rank by patents
#23,001
of 50,000 tracked assignees
35.3 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.