Growing community of inventors

Tokyo, Japan

Kazuhiko Hamada

Average Co-Inventor Count = 2.40

ph-index = 2

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 = 282

Kazuhiko HamadaShinichi Doi (1 patent)Kazuhiko HamadaTakuya Nakajima (1 patent)Kazuhiko HamadaTakako Komatsu (1 patent)Kazuhiko HamadaKazuhiko Hamada (2 patents)Shinichi DoiShinichi Doi (16 patents)Takuya NakajimaTakuya Nakajima (10 patents)Takako KomatsuTakako Komatsu (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nec Corporation (1 from 35,670 patents)

2. Sega Enterprises, Ltd. (1 from 264 patents)


2 patents:

1. 6529875 - Voice recognizer, voice recognizing method and game machine using them

2. 5732276 - Machine translation device

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12/10/2025
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