Growing community of inventors

Muiderberg, Netherlands

Gerrit Ludolph Van Der Heijde

Average Co-Inventor Count = 3.00

ph-index = 3

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 160

Gerrit Ludolph Van Der HeijdeThomas Henricus Marie Terwee (3 patents)Gerrit Ludolph Van Der HeijdeErik Ad Hermans (3 patents)Gerrit Ludolph Van Der HeijdeVictor Arni De Paz Sicam (1 patent)Gerrit Ludolph Van Der HeijdeMichiel Herman Mensink (1 patent)Gerrit Ludolph Van Der HeijdeJoris-Joost Snellenburg (0 patent)Gerrit Ludolph Van Der HeijdeGerrit Ludolph Van Der Heijde (4 patents)Thomas Henricus Marie TerweeThomas Henricus Marie Terwee (6 patents)Erik Ad HermansErik Ad Hermans (4 patents)Victor Arni De Paz SicamVictor Arni De Paz Sicam (3 patents)Michiel Herman MensinkMichiel Herman Mensink (3 patents)Joris-Joost SnellenburgJoris-Joost Snellenburg (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Amo Groningen B.v. (3 from 173 patents)

2. Vereniging Vu-windesheim (1 from 2 patents)

3. Vereniging Voor Christelijk Hoger Onderwijs, Wetenschappelijk Onderzoek En Patientenzorg (11 patents)

4. Stichting Vumc (7 patents)

5. I-optics B.v. (3 patents)


4 patents:

1. 9004689 - Apparatus for corneal shape analysis and method for determining a corneal thickness

2. 8496701 - Accommodating intraocular lenses and associated systems, frames, and methods

3. 8182531 - Accommodating intraocular lenses and associated systems, frames, and methods

4. 7871437 - Accommodating intraocular lenses and associated systems, frames, and methods

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as of
12/20/2025
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