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USPTO Data Jan 1 1976 - Oct 13 2026
2 Patents
#40 in Leiden
#2,203 in Netherlands
Hal Allergy Holding B.v.
Forward Citations = 15
3 inventors:
Hal Allergy Holding B.v.
EPO Patents = 5
Forward Citations = 15
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3 inventors (with patents filed for the assignee):
Joanna Paulina Maria Van Der Kleij (2 out of 2 patents)
Stefan Johan Koppelman (1 out of 1 patent)
Dirk Jan Elbertus Opstelten (1 out of 6 patents)
4. Joost Lambert Max Vissers (2 patents)
5. Léon Mathieu Johannes Knippels (4 patents)
6. Andreas Hendrikus Penninks (0 patent)
7. Erica Helena Maria Kerkvliet (0 patent)
8. Antonius Josephus Maria Van Oosterhout (0 patent)
9. Yousef Al-Madane Taher (0 patent)
10. Martien Lukas Kapsenberg (0 patent)
11. Frank Reinoud Weller (0 patent)
12. Elisabeth Catharina Adriana Maria Lobato-Van Esch (0 patent)
13. Dionisius Marinus Antonius Maria Luijkx (0 patent)
14. Henriëtte Emilie Sleijster-Selis (0 patent)
15. Robertus Henricus Joannes Alfonsus Van Den Hout (0 patent)
2 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hal Allergy Holding B.v.. Retrieved from https://idiyas.com/company/hal-allergy-holding-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]
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]
5 patents (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]