Growing community of inventors

Sendai, Japan

Tadahiro Hatayama

Average Co-Inventor Count = 4.00

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 = 7

Tadahiro Hatayama ↔ Tadahiro Ohmi (1 patent)Tadahiro Hatayama ↔ Yohichi Kanno (1 patent)Tadahiro Hatayama ↔ Kazuhiko Satoh (1 patent)Tadahiro HatayamaTadahiro Hatayama (1 patent)Tadahiro OhmiTadahiro Ohmi (201 patents)Yohichi KannoYohichi Kanno (6 patents)Kazuhiko SatohKazuhiko Satoh (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Motoyama Eng. Works, Ltd. (1 from 5 patents)


1 patent:

1. 4953826 - Metal diaphragm valve

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12/15/2025
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