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For the Inventor, By the Inventor

Prague, Czechia

Zentiva, A.s.


USPTO Granted Patents = 9

% Expired Patents = 66.7


Forward Citations = 11

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19 inventors (with patents filed for the assignee):

goldMedal Jindrich Richter (3 out of 9 patents)

silverMedal Josef Jirman (3 out of 7 patents)

bronzeMedal Bohumil Proksa (2 out of 2 patents)

4.  Stanislav Radl (2 out of 2 patents)

5.  Richard Hercek (1 out of 2 patents)

6.  Petr Lustig (1 out of 4 patents)

7.  Josef Hajicek (1 out of 4 patents)

8.  Hana Stepankova (1 out of 3 patents)

9.  Hana Petrickova (1 out of 1 patent)

10.  Vladislav Snuparek (1 out of 1 patent)

11.  Lubica Ratkovska (1 out of 1 patent)

12.  Stanislav Simek (1 out of 1 patent)

13.  Alojz Skoda (1 out of 1 patent)

14.  Kamal Jarrah (1 out of 1 patent)

15.  Jan Stach (1 out of 1 patent)


9 patents:

1. 7619087 - Method of preparation of oxycodone (2009-11-17),
2. 7618953 - Amorphous forms of risedronate monosodium (2009-11-17),
3. 7544840 - Method of production of (−)-(S)-3-[1-(dimethylamino)ethyl]phenyl-N-ethyl-N-methylcarbamate (2009-06-09),
4. 7534895 - Process for preparation of carvedilol (2009-05-19),
5. 7282517 - Method of manufacturing glimepiride and the respective intermediate (2007-10-16),
6. 7276604 - Crystalline form of the sodium salt of 3-pyridyl-1-hydroxyethylidene-1,1-bisphosphonic acid (2007-10-02),
7. 7208608 - Method of manufacturing an amorphous form of the hemi-calcium salt of (3R,5R) 7-3-phenyl-4-phenylcarbamoyl-2-(4-fluorophenyl)-5-isopropyl-pyrrol-1-yll-3, 5-dihydroxyheptanoic acid (actorvastatin) (2007-04-24),
8. 7198802 - Tablet obtained by direct compression comprising 4-amino-1-hydroxybutylidene-1,1-bisphosphonic acid as active ingredient (2007-04-03),
9. 7009057 - Method for obtaining pioglitazone as an antidiabetic agent (2006-03-07),
Company Overview
Zentiva is a leading pharmaceutical company offering a wide range of generic and specialty pharmaceutical products. With a focus on providing affordable and high-quality medications, Zentiva operates in over 50 countries around the world. The company is committed to improving access to healthcare and enhancing the quality of life for patients through innovative and cost-effective solutions.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

9 Patents

#19 in Prague

#40 in Czechia

Prague, CZ
Prague, Czechia

Zentiva, A.s.

Forward Citations = 11

19 inventors:

goldMedal Jindrich Richter (3 out of 9 patents)

silverMedal Josef Jirman (3 out of 7 patents)

bronzeMedal Bohumil Proksa (2 out of 2 patents)

4.  Stanislav Radl (2 out of 2 patents)

5.  Richard Hercek (1 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Zentiva, A.s.. Retrieved from https://idiyas.com/company/zentiva-a-s

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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