Growing community of inventors

Kobe, Japan

Masao Shirakawa

Average Co-Inventor Count = 3.00

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 = 24

Masao ShirakawaTetsuzo Fujikawa (1 patent)Masao ShirakawaYoichi Yamaguchi (1 patent)Masao ShirakawaMasao Shirakawa (1 patent)Tetsuzo FujikawaTetsuzo Fujikawa (49 patents)Yoichi YamaguchiYoichi Yamaguchi (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kawasaki Jukogyo Kabushiki Kaisha (1 from 3,322 patents)


1 patent:

1. 4935689 - Vehicle mounted engine generator system

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12/15/2025
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