Growing community of inventors

Hendrik Ido Ambacht, Netherlands

Lennard Alexander Markestein

Average Co-Inventor Count = 4.00

ph-index = 2

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 = 5

Lennard Alexander MarkesteinTheodorus L Hoeks (2 patents)Lennard Alexander MarkesteinHiromi Ishida (2 patents)Lennard Alexander MarkesteinKazushige Inoue (2 patents)Lennard Alexander MarkesteinLennard Alexander Markestein (2 patents)Theodorus L HoeksTheodorus L Hoeks (46 patents)Hiromi IshidaHiromi Ishida (25 patents)Kazushige InoueKazushige Inoue (13 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. General Electric Company (2 from 51,929 patents)


2 patents:

1. 6482877 - Polycarbonate resin composition for optical use

2. 6271290 - Polycarbonate resin composition for optical use

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as of
1/10/2026
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