Growing community of inventors

Sakai, Japan

Tetufumi Egami

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 = 18

Tetufumi Egami ↔ Masashi Nagano (1 patent)Tetufumi Egami ↔ Hideaki Fujimoto (1 patent)Tetufumi Egami ↔ Toshio Mizuno (1 patent)Tetufumi EgamiTetufumi Egami (1 patent)Masashi NaganoMasashi Nagano (202 patents)Hideaki FujimotoHideaki Fujimoto (6 patents)Toshio MizunoToshio Mizuno (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Shimano Industrial Co., Ltd. (1 from 444 patents)


1 patent:

1. 4223562 - Front derailleur for a bicycle

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as of
12/19/2025
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