Growing community of inventors

Toyota, Japan

Eiji Tezuka

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 = 15

Eiji Tezuka ↔ Toshio Yokoi (1 patent)Eiji Tezuka ↔ Tetsuro Nogata (1 patent)Eiji Tezuka ↔ Yutaka Takado (1 patent)Eiji Tezuka ↔ Toshikazu Nakasato (1 patent)Eiji TezukaEiji Tezuka (1 patent)Toshio YokoiToshio Yokoi (8 patents)Tetsuro NogataTetsuro Nogata (4 patents)Yutaka TakadoYutaka Takado (1 patent)Toshikazu NakasatoToshikazu Nakasato (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Toyota Jidosha Kabushiki Kaisha (1 from 36,713 patents)

2. Tonen Chemical Corporation (1 from 47 patents)


1 patent:

1. 5384172 - Multi-layer plastic fuel tank

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as of
1/2/2026
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