Growing community of inventors

Tokyo, Japan

S Yamawa Mfg Co Ltd Akaki

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

S Yamawa Mfg Co Ltd Akaki ↔ Willard E Henderer (10 patents)S Yamawa Mfg Co Ltd Akaki ↔ M Yamawa Mfg Co Ltd Mitsui (0 patent)S Yamawa Mfg Co Ltd AkakiS Yamawa Mfg Co Ltd Akaki (0 patent)Willard E HendererWillard E Henderer (10 patents)M Yamawa Mfg Co Ltd MitsuiM Yamawa Mfg Co Ltd Mitsui (0 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Kennametal Inc. (1,544 patents)

2. Yamawa Mfg. Co., Ltd. (3 patents)


0 patent:

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as of
12/18/2025
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