Overall rank by patents
#772
Across all tracked assignees
USPTO PatentsView assignee record - 594 granted patents across 64 technology areas, active 2015–2025. Filing-trend and competitive-moat analysis cross-referenced to USPTO Patent Public Search. Primary class: H01M (PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY).
The verdict
Sanyo holds 594 US patents across 64 technology areas, rank #772 of 50,000 tracked assignees.
Sanyo Electric Co., Ltd. has been granted 594 US utility patents between 2015 and 2025, placing Sanyo Electric Co., Ltd. at rank #772 across all assignees tracked by PlainPatent. This portfolio spans 64 distinct Cooperative Patent Classification (CPC) subclasses, averaging 9.3 claims per patent with primary concentration in H01M (PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY). As a Foreign Corporation, Sanyo Electric Co., Ltd. is one of the broader-portfolio assignees in the PatentsView dataset. By volume, Sanyo sits between Donaldson Company, Inc. (597 patents, rank #768) and Baxter Healthcare Sa (590 patents, rank #776) - the closest US assignees by grant volume. The composite Innovation Score of 58.9/100 blends portfolio volume, filing velocity, technology breadth, and claim depth into a single comparable measure drawn directly from USPTO PatentsView records.
Filing cadence tells the strategic story. Between 2020 and 2025 the company received 307 grants, compared with 287 in the 2015–2019 window, a +7% shift in five-year velocity. Steady filing volume suggests sustained innovation without dramatic pivots. The Foreign Corporation classification further shapes interpretation, since corporate, government, and individual filers pursue patents for materially different reasons.
Claim depth and technology breadth together indicate competitive posture. Sanyo Electric Co., Ltd.'s 9.3 average claims per patent suggests focused, narrowly drawn claims typical of single-invention filings, while a multi-domain presence across 64 subclasses balances depth with breadth. Combined with portfolio volume, these signals let analysts, investors, and licensing professionals benchmark Sanyo Electric Co., Ltd. against peers pursuing similar technology classes.
Granted US patents 2015–2025 versus its nearest-ranked assignees by volume, this company marked ◀
Donaldson Company, Inc.
597 patents
Panasonic Liquid Crystal Display Co., Ltd.
597 patents
Hunter Fan Company
594 patents
Red Hat Israel Ltd.
594 patents
Schott AG
594 patents
Washington University
594 patents
SANYO ELECTRIC CO., LTD.
594 patents
OPEN TEXT CORPORATION
591 patents
Baxter Healthcare SA
590 patents
What this shows Sanyo holds 594 patents at rank #772, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.
By rank, the assignees closest to #772 in granted patent volume.
Other assignees with the most granted patents in Sanyo's primary technology class.
Sanyo's Innovation Score vs. every tracked assignee
Composite of portfolio volume, filing velocity, technology breadth, and claim depth (0–100)
59 Top 4% higher than 96% 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 2015–2019 baseline. Full figures in the table below.
| Year | Patents Granted | Share of Period |
|---|---|---|
| 2015 | 63 | 10.6% |
| 2016 | 43 | 7.2% |
| 2017 | 57 | 9.6% |
| 2018 | 51 | 8.6% |
| 2019 | 73 | 12.3% |
| 2020 | 44 | 7.4% |
| 2021 | 61 | 10.3% |
| 2022 | 75 | 12.6% |
| 2023 | 36 | 6.1% |
| 2024 | 55 | 9.3% |
| 2025 | 36 | 6.1% |
Top 15 of 64 technology areas
Overall rank by patents
#772
Across all tracked assignees
58.9 out of 100
How to use this portfolio
Sanyo's 594 grants land it in the top 4% by Innovation Score, but volume alone doesn't tell you where the strength sits.
Patent counts and the Innovation Score measure patenting activity, not commercial success or the legal strength of any patent. Many patents are filed defensively. Verify the status of an individual patent against official USPTO records.
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.