Growing community of inventors

Tokyo, Japan

Fumio Fujii

Average Co-Inventor Count = 6.00

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 = 0

Fumio Fujii ↔ Hiroyuki Toyoda (1 patent)Fumio Fujii ↔ Akinori Kawasaki (1 patent)Fumio Fujii ↔ Daisuke Akimaru (1 patent)Fumio Fujii ↔ Tomoaki Taguchi (1 patent)Fumio Fujii ↔ Hiroshi Maita (1 patent)Fumio FujiiFumio Fujii (1 patent)Hiroyuki ToyodaHiroyuki Toyoda (12 patents)Akinori KawasakiAkinori Kawasaki (2 patents)Daisuke AkimaruDaisuke Akimaru (1 patent)Tomoaki TaguchiTomoaki Taguchi (1 patent)Hiroshi MaitaHiroshi Maita (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hitachi, Ltd. (1 from 42,494 patents)


1 patent:

1. 12415406 - Air conditioner for rail vehicle

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as of
12/19/2025
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