Growing community of inventors

Chiba, Japan

Keiichi Watanabe

Average Co-Inventor Count = 3.75

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 = 7

Keiichi WatanabeHiroshi Yasuda (1 patent)Keiichi WatanabeAkio Nodera (1 patent)Keiichi WatanabeYusuke Hayata (1 patent)Keiichi WatanabeNaosuke Mukawa (1 patent)Keiichi WatanabeHaruo Kozono (1 patent)Keiichi WatanabeYasuhiro Aikawa (1 patent)Keiichi WatanabeKeiichi Watanabe (2 patents)Hiroshi YasudaHiroshi Yasuda (149 patents)Akio NoderaAkio Nodera (40 patents)Yusuke HayataYusuke Hayata (11 patents)Naosuke MukawaNaosuke Mukawa (2 patents)Haruo KozonoHaruo Kozono (1 patent)Yasuhiro AikawaYasuhiro Aikawa (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sony Corporation (1 from 58,132 patents)

2. Idemitsu Kosan Company, Limited (1 from 2,276 patents)


2 patents:

1. 7994239 - Aromatic polycarbonate resin composition and molded article thereof

2. 5459618 - Apparatus for producing a video signal representing an animation

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1/7/2026
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