Growing community of inventors

Tokyo, Japan

Naoto Sako

Average Co-Inventor Count = 1.00

ph-index = NA

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 = 0

Naoto Sako ↔ Hirotomo Maeda (0 patent)Naoto SakoNaoto Sako (0 patent)Hirotomo MaedaHirotomo Maeda (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ihi Corporation (1,142 patents)

2. Ihi Logistics & Machinery Corporation (2 patents)


0 patent:

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as of
1/11/2026
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