% Expired Patents = 75.0

Forward Citations = 26

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6 inventors (with patents filed for the assignee):

Kjell Ekberg (3 out of 3 patents)

Sudhir Chowdhury (1 out of 3 patents)

Fredrik Winquist (1 out of 2 patents)

4. Carina Högberg (1 out of 1 patent)

5. Christina Krantz-Rückler (1 out of 1 patent)

6. Arnold Olofsson (1 out of 1 patent)

4 patents: Sort by Forward Citations

1. 6841053 - Electronic tongue as ozone detector (2005-01-11),

2. 6723294 - Ozone generator (2004-04-20),

3. 6664776 - Method and system for voltammetric characterization of a liquid sample (2003-12-16),

4. 6585898 - Method and apparatus for preparation and use of ozone water (2003-07-01),

Company Overview

Otre Ab is a leading technology company specializing in providing innovative solutions for businesses. With a focus on delivering cutting-edge software and hardware solutions, Otre Ab helps companies optimize their operations and drive growth. From custom software development to advanced hardware devices, Otre Ab offers a wide range of products and services tailored to meet the unique needs of each client. With a team of experienced professionals and a commitment to excellence, Otre Ab is dedicated to helping businesses thrive in today's fast-paced digital world.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

4 Patents

#171 in Stockholm

#1,305 in Sweden

Stockholm, Sweden

Otre Ab

Forward Citations = 26

6 inventors:

Kjell Ekberg (3 out of 3 patents)

Sudhir Chowdhury (1 out of 3 patents)

Fredrik Winquist (1 out of 2 patents)

4. Carina Högberg (1 out of 1 patent)

5. Christina Krantz-Rückler (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Otre Ab. Retrieved from https://idiyas.com/company/otre-ab

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]