Growing community of inventors

Minami-ashigara, Japan

Sigeo Hara

Average Co-Inventor Count = 2.00

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 = 11

Sigeo HaraHiroshi Daito (1 patent)Sigeo HaraSigeo Hara (1 patent)Hiroshi DaitoHiroshi Daito (13 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hitachi, Ltd. (1 from 42,508 patents)


1 patent:

1. 4853812 - Structure for supporting magnetic head

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