Growing community of inventors

Tokyo, Japan

Daizo Nagahara

Average Co-Inventor Count = 3.43

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 = 3

Daizo NagaharaShinichi Tanaka (1 patent)Daizo NagaharaTetsuo Watanabe (1 patent)Daizo NagaharaAkihiro Kikuchi (1 patent)Daizo NagaharaTakeshi Miura (1 patent)Daizo NagaharaHiroaki Eto (1 patent)Daizo NagaharaDaizo Nagahara (2 patents)Shinichi TanakaShinichi Tanaka (140 patents)Tetsuo WatanabeTetsuo Watanabe (89 patents)Akihiro KikuchiAkihiro Kikuchi (40 patents)Takeshi MiuraTakeshi Miura (28 patents)Hiroaki EtoHiroaki Eto (27 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sony Corporation (1 from 58,131 patents)

2. Sony Interactive Entertainment Inc. (1 from 3,063 patents)


2 patents:

1. 10560548 - Delivery system, delivery method, and delivery program

2. 7333284 - Data access control apparatus, data access control method, controller, and computer program

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as of
1/3/2026
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