Overall rank by patents
#78
of 49,997 tracked assignees
USPTO PatentsView assignee record - 4,378 granted patents across 251 technology areas, recorded in grant years 2015–2025. 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: H01R (Electrically-conductive CONNECTIONS; Structural Associations OF A Plurality OF Mutually-insulated Electrical Connecting ELEMENTS; Coupling DEVICES; Current Collectors).
The verdict
According to USPTO PatentsView, Sumitomo ranks #78 of 49,997 tracked US assignees by granted-patent volume, with 4,378 patents across 251 technology areas.
USPTO PatentsView assignee plate
Corpus R78 · Foreign Corporation #78 · 4,378 grants
GRANTS-LARGE · TOP-DECILE · PHOTO-FINISH · CPC-BROAD · INNOV-STRONG · CLAIMS-PAR · TYPE-FRNCORP · VEL-UP · BOOK-FULL
Nearest grant-volume peer: Guangdong Oppo Mobile Telecommunications Corp., Ltd. (±4 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
Indian Institute OF… · near
65 score
Anhui University · near
65 score
Nordic Semiconductor… · near
65 score
Sony Computer… · near
65 score
Sumitomo Electric… · this assignee
65 score
3D Lighting… · lowest
7 score
What this shows Sumitomo's Innovation Score is 64.6/100 (top 2% 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.
Between 2020–2024, Sumitomo Electric Industries, Ltd. received 2,172 grants versus 1,902 in 2015–2019 (+14% equal-window velocity, above median growth). Across complete PatentsView years, output peaked in 2020 at 530 grants and bottomed in 2023 at 309. Lead class H01R accounts for 16.7% of the portfolio across 251 subclasses. Volume neighbours: Verizon Patent and Licensing Inc. (#74) and Basf SE (#82).
From 2019–2021 to 2022–2024, Sumitomo Electric Industries, Ltd. moved from 1,499 to 1,180 grants (0.79x the prior three-year total, a multiple, not a CAGR). Among 3,296 tracked assignees with ≥100 grants and ≥20 prior-period grants, that multiple ranks #1,883. See the growth leaderboard.
Granted US patents 2015–2025 versus its nearest-ranked assignees by volume, this company marked ◀
Verizon Patent and Licensing Inc.
4,862 patents
Olympus Corporation
4,844 patents
Schlumberger Technology Corporation
4,606 patents
GlobalFoundries Inc.
4,547 patents
Sumitomo Electric Industries, Ltd.
4,378 patents
Guangdong Oppo Mobile Telecommunications Corp., Ltd.
4,374 patents
Commissariat A L'energie Atomique ET AUX Energies Alternatives
4,218 patents
ZTE Corporation
4,193 patents
Basf SE
4,191 patents
What this shows Sumitomo holds 4,378 patents at rank #78, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.
By rank, the assignees closest to #78 in granted patent volume.
Other assignees with the most granted patents in Sumitomo's primary technology class.
Two PlainPatent-derived peer sets for Sumitomo, neither rank-band nor same-CPC leaders (those blocks stay above).
Nearest assignees by Innovation Score (65 here).
Nearest assignees by average claims per patent (9.0 here).
Sumitomo's Innovation Score vs. every tracked assignee
Composite of portfolio volume, grant velocity, technology breadth, and claim depth (0–100)
65 Top 2% higher than 98% 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
Teal-shaded recent years (2020–present) versus the 2015–2019 baseline. Full figures in the table below.
| Year | Patents Granted | Share of Period |
|---|---|---|
| 2015 | 348 | 7.9% |
| 2016 | 356 | 8.1% |
| 2017 | 352 | 8.0% |
| 2018 | 339 | 7.7% |
| 2019 | 507 | 11.6% |
| 2020 | 530 | 12.1% |
| 2021 | 462 | 10.6% |
| 2022 | 386 | 8.8% |
| 2023 | 309 | 7.1% |
| 2024 | 485 | 11.1% |
| 2025partial year | 304 | 6.9% |
Top 15 of 251 technology areas
Overall rank by patents
#78
of 49,997 tracked assignees
64.6 out of 100
What to do with this data
Sumitomo Electric Industries, Ltd.'s patent record in context - here's where to go next.
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.