Growing community of inventors

Noordwijkerhout, Netherlands

Jacobus Robertus De Jong

Average Co-Inventor Count = 1.08

ph-index = 1

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 = 3

Jacobus Robertus De JongGerardus A Cornelissen (1 patent)Jacobus Robertus De JongJacobus Robertus De Jong (7 patents)Gerardus A CornelissenGerardus A Cornelissen (4 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. U.S. Philips Corporation (1 from 14,087 patents)


7 patents:

1. PP27614 - plant named 'Star of Love'

2. PP26893 - plant named 'Star of Magic'

3. PP24068 - plant named 'Star of Passion'

4. PP24067 - plant named 'Star of Treasure'

5. PP20352 - Astrantia plant named 'Star of Billion'

6. PP20284 - Astrantia plant named 'Star of Fire'

7. 4198586 - High pressure metal vapor discharge lamp and seal structure therefor

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as of
12/16/2025
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