Growing community of inventors

Chiba, Japan

Mitsuyoshi Sonoyama

Average Co-Inventor Count = 7.00

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 = 8

Mitsuyoshi Sonoyama ↔ Hirokatsu Suzuki (1 patent)Mitsuyoshi Sonoyama ↔ Shoji Miyahara (1 patent)Mitsuyoshi Sonoyama ↔ Masaki Aihara (1 patent)Mitsuyoshi Sonoyama ↔ Norio Kojima (1 patent)Mitsuyoshi Sonoyama ↔ Kentaro Suzaki (1 patent)Mitsuyoshi Sonoyama ↔ Masatoshi Okada (1 patent)Mitsuyoshi SonoyamaMitsuyoshi Sonoyama (1 patent)Hirokatsu SuzukiHirokatsu Suzuki (6 patents)Shoji MiyaharaShoji Miyahara (3 patents)Masaki AiharaMasaki Aihara (3 patents)Norio KojimaNorio Kojima (1 patent)Kentaro SuzakiKentaro Suzaki (1 patent)Masatoshi OkadaMasatoshi Okada (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kawasaki Steel Corporation (1 from 1,256 patents)

2. Tsubakimoto Chain Company (1 from 906 patents)


1 patent:

1. 5501058 - Coil packing line equipped with independently reciprocating carriages

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as of
1/11/2026
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