Growing community of inventors

Ogaki, Japan

Katsumasa Toyoda

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 = 1

Katsumasa Toyoda ↔ Tadayoshi Yoshioka (1 patent)Katsumasa Toyoda ↔ Masanori Ichikawa (1 patent)Katsumasa Toyoda ↔ Shinichi Takizawa (1 patent)Katsumasa ToyodaKatsumasa Toyoda (1 patent)Tadayoshi YoshiokaTadayoshi Yoshioka (2 patents)Masanori IchikawaMasanori Ichikawa (2 patents)Shinichi TakizawaShinichi Takizawa (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ntn Corporation (1 from 2,464 patents)


1 patent:

1. 5667603 - Hardening process and apparatus for holed flat parts

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12/20/2025
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