% Expired Patents = 50.0

EPO Patents = 1

Forward Citations = 14

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8 inventors (with patents filed for the assignee):

Fred Korpel (2 out of 2 patents)

Gerrit Jan Boerman (2 out of 2 patents)

Roger Keranen Rains (2 out of 10 patents)

4. Auke Gerardus Talma (1 out of 44 patents)

5. Anna Giatti (1 out of 1 patent)

6. Antonius Johannes Van Hengstum (1 out of 5 patents)

7. Robertus Hermanus Jozef Bloemenkamp (1 out of 1 patent)

8. Rabindrah Nath Datta (1 out of 1 patent)

9. Ludwig Eisenhuth (18 patents)

4 patents: Sort by Forward Citations

1. 7824538 - Process for improving the purity of quaternary ammonium hydroxides by electrolysis in a two-compartment cell (2010-11-02),

2. 6770189 - Process for improving the purity of quaternary ammonium hydroxides by electrolysis (2004-08-03),

3. 6465691 - Solvent-free process for preparing thiuram disulfides (2002-10-15),

4. 6444759 - Rubber vulcanizates having improved ageing properties (2002-09-03),

Company Overview

Flexsys B.v. is a leading provider of innovative software solutions for businesses. With a focus on flexibility and customization, we offer a range of services including software development, IT consulting, and project management. Our team of experienced professionals is dedicated to helping our clients achieve their goals through cutting-edge technology and tailored solutions.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

4 Patents

#7 in Deventer

#1,331 in Netherlands

Deventer, Netherlands

Flexsys B.v.

Forward Citations = 14

8 inventors:

Fred Korpel (2 out of 2 patents)

Gerrit Jan Boerman (2 out of 2 patents)

Roger Keranen Rains (2 out of 10 patents)

4. Auke Gerardus Talma (1 out of 44 patents)

5. Anna Giatti (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Flexsys B.v.. Retrieved from https://idiyas.com/company/flexsys-b-v

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]

1 patent (EPO):

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]