Growing community of inventors

Christchurch, New Zealand

Hamish John Carpenter

Average Co-Inventor Count = 3.00

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 = 13

Hamish John Carpenter ↔ Mark Edward Nichols (1 patent)Hamish John Carpenter ↔ Richard Piekutowski (1 patent)Hamish John CarpenterHamish John Carpenter (1 patent)Mark Edward NicholsMark Edward Nichols (43 patents)Richard PiekutowskiRichard Piekutowski (13 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Caterpillar Trimble Control Technologies LLC (1 from 83 patents)


1 patent:

1. 8689471 - Method and system for controlling an excavator

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as of
12/29/2025
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