Growing community of inventors

Yokohama, Japan

Norio Takei

Average Co-Inventor Count = 3.00

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 = 14

Norio Takei ↔ Atsuhiko Urushihara (1 patent)Norio Takei ↔ Moritaka Taniguchi (1 patent)Norio TakeiNorio Takei (1 patent)Atsuhiko UrushiharaAtsuhiko Urushihara (53 patents)Moritaka TaniguchiMoritaka Taniguchi (9 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

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


1 patent:

1. D276804 - Combined portable cassette recorder and radio

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1/6/2026
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