Growing community of inventors

Sapporo, Japan

Makoto Takakura

Average Co-Inventor Count = 2.00

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 = 416

Makoto TakakuraTohru Oka (2 patents)Makoto TakakuraMakoto Takakura (2 patents)Tohru OkaTohru Oka (20 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Colin Corporation (2 from 132 patents)


2 patents:

1. 5836887 - Physical information monitor system having means for determining

2. 5830149 - Physical information monitor system having means for indicating amount

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as of
12/12/2025
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