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For the Inventor, By the Inventor

Siena, Italy

Siena Biotech S.p.a.


USPTO Granted Patents = 11

% Expired Patents = 90.9


Forward Citations = 14

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41 inventors (with patents filed for the assignee):

goldMedal Wolfgang Wostl (6 out of 50 patents)

silverMedal Robert Narquizian (6 out of 45 patents)

bronzeMedal Thomas Johannes Woltering (6 out of 74 patents)

4.  Wolfgang Guba (5 out of 50 patents)

5.  Hans Hilpert (5 out of 87 patents)

6.  Harald Mauser (4 out of 20 patents)

7.  Matteo Andreini (4 out of 4 patents)

8.  Emanuele Gabellieri (4 out of 5 patents)

9.  Massimiliano Travagli (4 out of 4 patents)

10.  Eoin Power (4 out of 5 patents)

11.  Mark Rogers-Evans (3 out of 85 patents)

12.  Alexander Mayweg (3 out of 38 patents)

13.  David Banner (3 out of 32 patents)

14.  Emmanuel Pinard (2 out of 91 patents)

15.  Roland Humm (2 out of 15 patents)


11 patents:

1. 9242943 - 1,4 oxazines as BACE1 and/or BACE2 inhibitors (2016-01-26),
2. 9067926 - Fluoromethyl-5,6-dihydro-4H-[1,3]OXAZINES (2015-06-30),
3. 8865704 - Wnt pathway antagonists (2014-10-21),
4. 8835648 - Hedgehog pathway antagonists and therapeutic applications thereof (2014-09-16),
5. 8815881 - 1,4,5,6-tetrahydro-pyrimidin-2-ylamine compounds (2014-08-26),
6. 8592463 - Hedgehog pathway antagonists and therapeutic applications thereof (2013-11-26),
7. 8399459 - 1,4 oxazines as BACE1 and/or BACE2 inhibitors (2013-03-19),
8. 8389513 - 2-amino-5,5-difluoro-5,6-dihydro-4H-[1,3]oxazin-4-yl)-phenyl]-amides (2013-03-05),
9. 8188079 - 3-amino-5-phenyl-5,6-dihydro-2H-[1,4]oxazines (2012-05-29),
10. 8163729 - Modulators of α7 nicotinic acetylcholine receptors and therapeutic uses thereof (2012-04-24),
11. 7989449 - 4,5-dihydro-oxazol-2-yl amine derivatives (2011-08-02),
Company Overview
Siena Biotech S.p.a. is a biotechnology company based in Siena, Italy, focused on the development of innovative therapies for neurodegenerative diseases. The organization specializes in research and technology aimed at addressing unmet medical needs, particularly in the fields of Alzheimer's disease and other cognitive disorders. Through its commitment to scientific excellence and collaboration, Siena Biotech strives to advance therapeutic solutions that can significantly improve patient outcomes and quality of life.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

11 Patents

#6 in Siena

#840 in Italy

#51,761 in the World

Siena, IT
Siena, Italy

Siena Biotech S.p.a.

Forward Citations = 14

41 inventors:

goldMedal Wolfgang Wostl (6 out of 50 patents)

silverMedal Robert Narquizian (6 out of 45 patents)

bronzeMedal Thomas Johannes Woltering (6 out of 74 patents)

4.  Wolfgang Guba (5 out of 50 patents)

5.  Hans Hilpert (5 out of 87 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Siena Biotech S.p.a.. Retrieved from https://idiyas.com/company/siena-biotech

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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