Growing community of inventors

Yokohama, Japan

Hirofumi Harada

Average Co-Inventor Count = 5.00

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 = 6

Hirofumi Harada ↔ Toshikatsu Ishikawa (1 patent)Hirofumi Harada ↔ Haruo Teranishi (1 patent)Hirofumi Harada ↔ Akira Yokoyama (1 patent)Hirofumi Harada ↔ Tetsuo Yanagi (1 patent)Hirofumi HaradaHirofumi Harada (1 patent)Toshikatsu IshikawaToshikatsu Ishikawa (15 patents)Haruo TeranishiHaruo Teranishi (10 patents)Akira YokoyamaAkira Yokoyama (7 patents)Tetsuo YanagiTetsuo Yanagi (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nippon Carbon Co., Ltd. (1 from 41 patents)


1 patent:

1. 4356158 - Process for producing carbon fibers

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12/15/2025
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