Growing community of inventors

Kadoma, Japan

Wakio Yamada

Average Co-Inventor Count = 6.00

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 = 25

Wakio Yamada ↔ Yuzo Okudaira (1 patent)Wakio Yamada ↔ Takashi Nakai (1 patent)Wakio Yamada ↔ Hideyuki Ando (1 patent)Wakio Yamada ↔ Kazunori Umeoka (1 patent)Wakio Yamada ↔ Yoshitaka Kurihara (1 patent)Wakio YamadaWakio Yamada (1 patent)Yuzo OkudairaYuzo Okudaira (4 patents)Takashi NakaiTakashi Nakai (4 patents)Hideyuki AndoHideyuki Ando (3 patents)Kazunori UmeokaKazunori Umeoka (3 patents)Yoshitaka KuriharaYoshitaka Kurihara (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Matsushita Electric Works, Ltd. (1 from 1,623 patents)


1 patent:

1. 5304415 - Sound absorptive material

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as of
12/19/2025
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