Overall rank by patents
#21,778
of 50,000 tracked assignees
USPTO PatentsView assignee record - 13 granted patents across 6 technology areas, recorded in grant years 2015–2018. 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: A61P (SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS).
The verdict
According to USPTO PatentsView, Sigma-tau ranks #21,778 of 50,000 tracked US assignees by granted-patent volume, with 13 patents across 6 technology areas.
USPTO PatentsView assignee plate
Corpus R21778 · Foreign Corporation #21,778 · 13 grants
GRANTS-MICRO · MID-PACK · PHOTO-FINISH · CPC-NARROW · INNOV-THIN · CLAIMS-PAR · TYPE-FRNCORP · VEL-DROP · BOOK-FULL
Nearest grant-volume peer: Shenzhen Yingboweiye Technology 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.
Lowest and highest poles plus nearest Innovation Score peers, not a full corpus board reprint.
Qualcomm Incorporated · highest
85 score
Sigma-tau Industrie… · this assignee
24 score
3D Lighting Innovati… · lowest
7 score
What this shows Sigma-tau's Innovation Score is 23.9/100 (top 87% 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.
Sigma-tau Industrie Farmaceutiche Riunite S.p.a. is a focused PatentsView assignee: 6 CPC subclasses with 84.6% of grants classified under A61P (SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS). Peak complete grant year is 2015 (9 grants) versus a trough of 2 in 2016. By volume, Sigma-tau sits between Shenzhen Yingboweiye Technology Co., Ltd. and Simplo Technology Co., Ltd..
Granted US patents 2015–2025 versus its nearest-ranked assignees by volume, this company marked ◀
SHENZHEN YINGBOWEIYE TECHNOLOGY CO., LTD.
13 patents
SHIMIZU CORPORATION
13 patents
SICK IVP AB
13 patents
SIEGFRIED AG
13 patents
SIKA Dr. Siebert & Kühn GmbH & Co. KG
13 patents
SILENTIUM LTD.
13 patents
SIMPLICITY, LLC
13 patents
SIMPLO TECHNOLOGY CO., LTD.
13 patents
SIGMA-TAU INDUSTRIE FARMACEUTICHE RIUNITE S.P.A.
13 patents
What this shows Sigma-tau holds 13 patents at rank #21,734, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.
By rank, the assignees closest to #21,734 in granted patent volume.
Other assignees with the most granted patents in Sigma-tau's primary technology class.
Sigma-tau's Innovation Score vs. every tracked assignee
Composite of portfolio volume, grant velocity, technology breadth, and claim depth (0–100)
24 Top 87% higher than 13% 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 | 9 | 69.2% |
| 2016 | 2 | 15.4% |
| 2018 | 2 | 15.4% |
Top 6 of 6 technology areas
Overall rank by patents
#21,778
of 50,000 tracked assignees
23.9 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.