Growing community of inventors

Mie-Ken, Japan

Katsuhiro Ohtake

Average Co-Inventor Count = 1.00

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 = 5

Katsuhiro OhtakeKatsuhiro Ohtake (2 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. American Commercial Inc. (2 from 122 patents)


2 patents:

1. D287454 - Cream pitcher

2. D287206 - Sugar bowl

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as of
12/18/2025
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