Portable Multimedia Ltd.
USPTO PatentsView assignee record - 44 granted patents across 9 technology areas, recorded in grant years 2020–2025. 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: B60R (Vehicles, Vehicle Fittings, OR Vehicle Parts, NOT Otherwise Provided FOR).
The verdict
According to USPTO PatentsView, Portable ranks #7,459 of 49,997 tracked US assignees by granted-patent volume, with 44 patents across 9 technology areas.
- #7,459
- of 49,997 US assignees by volume
- 28th percentile
- by Innovation Score (28.6/100)
- 4.9
- avg claims per patent
USPTO PatentsView assignee plate
Corpus R7459 · Foreign Corporation #7,459 · 44 grants
GRANTS-SMALL · UPPER-Q · PHOTO-FINISH · CPC-NARROW · INNOV-THIN · CLAIMS-SPARSE · TYPE-FRNCORP · SPAN-YRS · BOOK-RICH
- GRANTS-SMALL 44 grants
- UPPER-Q #7,459/49,997
- PHOTO-FINISH People
- CPC-NARROW B60R · 9 areas
- INNOV-THIN 28.6/100
- CLAIMS-SPARSE 4.9 claims/avg
- TYPE-FRNCORP Foreign Corp
- SPAN-YRS 2020–2025 · 6y
- BOOK-RICH 9/10 fields
Nearest grant-volume peer: People Co., Ltd. (±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 Portable’s 28.6 Innovation Score adds up
The same four weighted components behind every Innovation Score on PlainPatent: portfolio volume, grant velocity, technology breadth, and claim depth.
Innovation-score neighbourhood around Portable
Lowest and highest poles plus nearest Innovation Score peers, not a full corpus board reprint.
- Qualcomm Incorporated · highest
Qualcomm Incorporated · highest
85 score
- Airia · near 29
Airia · near
29 score
- BreakThrough… · near 29
BreakThrough… · near
29 score
- International… · near 29
International… · near
29 score
- Portable Multimedia · this assignee 29
Portable Multimedia · this assignee
29 score
- Anisa International · near 29
Anisa International · near
29 score
- 3D Lighting… · lowest 7
3D Lighting… · lowest
7 score
What this shows Portable's Innovation Score is 28.6/100 (28th percentile 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 Portable?
Each dot is one of Portable’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). Portable’s own 4.9 claims/patent is at or below the 16.8 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.
Where Portable's grants concentrate
Portable Multimedia Ltd. is a focused PatentsView assignee: 9 CPC subclasses with 22.7% of grants classified under B60R (Vehicles, Vehicle Fittings, OR Vehicle Parts, NOT Otherwise Provided FOR). Peak complete grant year is 2021 (30 grants) versus a trough of 1 in 2020. By volume, Portable sits between Protean Electric Limited and Regulus Therapeutics Inc..
Portable's three-year grant acceleration
From 2019–2021 to 2022–2024, Portable Multimedia Ltd. moved from 31 to 9 grants (0.29x the prior three-year total, a multiple, not a CAGR). See the growth leaderboard.
Who files at Portable's volume?
Granted US patents 2015–2025 versus its nearest-ranked assignees by volume, this company marked ◀
- Protean Electric
Protean Electric Limited
44 patents
- People
People Co., Ltd.
44 patents
- Pierce Biotechnol…
Pierce Biotechnology, Inc.
44 patents
- Pivotal Commware
Pivotal Commware, Inc.
44 patents
- Prismatic Sensors…
Prismatic Sensors AB
44 patents
- Protochips
Protochips, Inc.
44 patents
- Pulse Biosciences
Pulse Biosciences, Inc.
44 patents
- Regulus Therapeut…
Regulus Therapeutics Inc.
44 patents
- Portable Multimed… ◀
Portable Multimedia Ltd.
44 patents
What this shows Portable holds 44 patents at rank #7,461, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.
Companies ranked near Portable
By rank, the assignees closest to #7,461 in granted patent volume.
- Protean Electric Limited #7,457 · 44 patents
- People Co., Ltd. #7,458 · 44 patents
- Pierce Biotechnology, Inc. #7,459 · 44 patents
- Pivotal Commware, Inc. #7,460 · 44 patents
- Prismatic Sensors AB #7,462 · 44 patents
- Protochips, Inc. #7,463 · 44 patents
- Pulse Biosciences, Inc. #7,464 · 44 patents
- Regulus Therapeutics Inc. #7,465 · 44 patents
Leaders in B60R (Vehicles)
Other assignees with the most granted patents in Portable's primary technology class.
- Ford Global Technologies, LLC 3,270 in class
- Toyota Jidosha Kabushiki Kaisha 1,796 in class
- Hyundai Motor Company 1,243 in class
- Honda Motor Co., Ltd. 1,168 in class
- GM Global Technology Operations LLC 1,072 in class
- Sumitomo Wiring Systems, Ltd. 1,013 in class
- Denso Corporation 890 in class
- Yazaki Corporation 825 in class
Assignees with similar portfolio profiles
Two PlainPatent-derived peer sets for Portable, neither rank-band nor same-CPC leaders (those blocks stay above). In B60R (Vehicles), Portable ranks #355 of 1,969 assignees by patent count in that subclass.
Similar innovation score
Nearest assignees by Innovation Score (29 here).
Portable's Innovation Score vs. every tracked assignee
Composite of portfolio volume, grant velocity, technology breadth, and claim depth (0–100)
29 28th percentile higher than 28% 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
Grants by year
Teal-shaded recent years (2020–present) versus the 2020–2019 baseline. Full figures in the table below.
View data table
| Year | Patents Granted | Share of Period |
|---|---|---|
| 2020 | 1 | 2.3% |
| 2021 | 30 | 68.2% |
| 2022 | 3 | 6.8% |
| 2023 | 4 | 9.1% |
| 2024 | 2 | 4.5% |
| 2025partial year | 4 | 9.1% |
Which technologies does Portable Multimedia Ltd. patent most?
Top 9 of 9 technology areas
Data Source
USPTO PatentsView, US granted patents 2015–2025
What to do with this data
Portable Multimedia Ltd.'s patent record in context - here's where to go next.
- Portable Multimedia Ltd.'s lead technology class is B60R (Vehicles, Vehicle Fittings, OR Vehicle Parts, NOT Otherwise Provided FOR), 22.7% of its portfolio - see every assignee active in that class. Explore B60R
- Ranked #7,459 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
- Compare Portable Multimedia Ltd. against Protean Electric Limited, an assignee filing at a similar volume. Compare portfolios
- Innovation Score of 28.6/100 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.
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.