Growing community of inventors

Kodaira, Japan

Tadahiro Umeda

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 = 6

Tadahiro Umeda ↔ Hitoshi Kondo (1 patent)Tadahiro Umeda ↔ Michitaka Takeshita (1 patent)Tadahiro Umeda ↔ Teiichiro Kadoguchi (1 patent)Tadahiro UmedaTadahiro Umeda (1 patent)Hitoshi KondoHitoshi Kondo (36 patents)Michitaka TakeshitaMichitaka Takeshita (6 patents)Teiichiro KadoguchiTeiichiro Kadoguchi (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Bridgestone Corporation (1 from 5,125 patents)


1 patent:

1. 4906680 - Rubber composition and steel cord-rubber composite body

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1/23/2026
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