Growing community of inventors

Narashi, Japan

Shigeki Fujii

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 = 38

Shigeki Fujii ↔ Masahisa Sonku (1 patent)Shigeki Fujii ↔ Minoru Yasuhara (1 patent)Shigeki Fujii ↔ Hirozo Hirayama (1 patent)Shigeki FujiiShigeki Fujii (1 patent)Masahisa SonkuMasahisa Sonku (3 patents)Minoru YasuharaMinoru Yasuhara (3 patents)Hirozo HirayamaHirozo Hirayama (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Rib Loc Australia Pty Ltd. (1 from 11 patents)


1 patent:

1. 5101863 - Rehabilitating underground pipes with expanding helically wound liner

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12/18/2025
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