Growing community of inventors

Ibaraki, Japan

Tadashi Shitara

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 = 2

Tadashi Shitara ↔ Toshio Hayashibara (1 patent)Tadashi Shitara ↔ Hiroaki Mizoguchi (1 patent)Tadashi Shitara ↔ Hideo Kume (1 patent)Tadashi Shitara ↔ Sigeyuki Katano (1 patent)Tadashi ShitaraTadashi Shitara (1 patent)Toshio HayashibaraToshio Hayashibara (7 patents)Hiroaki MizoguchiHiroaki Mizoguchi (3 patents)Hideo KumeHideo Kume (1 patent)Sigeyuki KatanoSigeyuki Katano (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hitachi, Ltd. (1 from 42,535 patents)


1 patent:

1. 4589827 - Electric motor fan

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as of
1/23/2026
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