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Leiras Oy

USPTO Granted Patents = 40

CIPO Patents = 7

Trademarks = 3

Forward Citations = 977

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65 inventors (with patents filed for the assignee):

Matti Lehtinen (10 out of 12 patents)

Harri Jukarainen (6 out of 9 patents)

Jarkko Ruohonen (6 out of 9 patents)

4. Esko Pohjala (6 out of 7 patents)

5. Juha Ala-Sorvari (5 out of 8 patents)

6. Tommi Markkula (5 out of 7 patents)

7. Pekka Lankinen (5 out of 6 patents)

8. Hannu Nikander (4 out of 12 patents)

9. Tapio Lankinen (4 out of 6 patents)

10. Marjaana Heikkila-Hoikka (4 out of 4 patents)

11. Timo Helle (4 out of 5 patents)

12. Rolf Hartzell (4 out of 5 patents)

13. Pekka Nieminen (4 out of 5 patents)

14. Ritva Hannuniemi (3 out of 3 patents)

15. Heikki Nupponen (3 out of 3 patents)

Core Competencies:

Pharmaceutical Formulation

Drug Delivery Device

Bisphosphonates

Microemulsion-Based Gels

Inhalation Apparatus

Intravaginal Delivery

Medicinal Aerosol

Elastomer Preparation

Sennosides

Immunosuppressives

Clodronate Preparation

Endo-Osteal Surgery

40 patents: Sort by Forward Citations

1. 6616945 - Method for making a pharmaceutical formulation (2003-09-09),

2. 6476079 - Devices for the delivery of drugs having antiprogestinic properties (2002-11-05),

3. 6326363 - Methylenebisphosphonic acid derivatives (2001-12-04),

4. 6300452 - Block copolymers and preparation thereof (2001-10-09),

5. 6299894 - Drug delivery device, especially for the delivery of gestodene (2001-10-09),

6. 6132394 - Medicament chamber in an inhalation apparatus (2000-10-17),

7. 6117442 - Drug delivery device, especially for the delivery of androgens (2000-09-12),

8. 6083938 - Pyridinylbisphosphonates for use as a therapeutical agent (2000-07-04),

9. 6066677 - Use of xylitol and pharmaceutical compositions therefor (2000-05-23),

10. 6063395 - Drug delivery device especially for the delivery of progestins and (2000-05-16),

11. 6056976 - Elastomer, its preparation and use (2000-05-02),

12. 6004580 - Pharmaceutical compositions derived from microemulsion-based gels (1999-12-21),

13. 5919755 - Medical use of heme products (1999-07-06),

14. 5866556 - Pyridinylbisphosphonates for use as a therapeutical agent (1999-02-02),

15. 5785053 - Inserter for the positioning of an intrauterine device (1998-07-28),

Company Overview

Leiras Oy, based in Turku, Finland, specializes in the development and manufacturing of innovative pharmaceutical formulations and drug delivery systems. The company focuses on advanced technologies such as microemulsion-based gels and inhalation apparatus, catering to various therapeutic needs. With expertise in antiprogestinic properties and bisphosphonates, Leiras is dedicated to enhancing drug efficacy and patient compliance through its cutting-edge intravaginal delivery systems and other specialized devices.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

40 Patents

#3 in Turku

#94 in Finland

#17,068 in the World

Leiras Oy

Forward Citations = 977

65 inventors:

Matti Lehtinen (10 out of 12 patents)

Harri Jukarainen (6 out of 9 patents)

Jarkko Ruohonen (6 out of 9 patents)

4. Esko Pohjala (6 out of 7 patents)

5. Juha Ala-Sorvari (5 out of 8 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Leiras Oy. Retrieved from https://idiyas.com/company/leiras-oy

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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