Growing community of inventors

Tokyo, Japan

Hideaki Kumada

Average Co-Inventor Count = 5.33

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 = 22

Hideaki KumadaTakeshi Yoshikawa (2 patents)Hideaki KumadaYasunori Kimura (2 patents)Hideaki KumadaMotohiko Kashioka (2 patents)Hideaki KumadaAkifumi Kuwabara (1 patent)Hideaki KumadaHiromi Yokoyama (1 patent)Hideaki KumadaToru Ohmura (1 patent)Hideaki KumadaTatsuya Nakao (1 patent)Hideaki KumadaHideaki Kumada (2 patents)Takeshi YoshikawaTakeshi Yoshikawa (14 patents)Yasunori KimuraYasunori Kimura (7 patents)Motohiko KashiokaMotohiko Kashioka (5 patents)Akifumi KuwabaraAkifumi Kuwabara (2 patents)Hiromi YokoyamaHiromi Yokoyama (2 patents)Toru OhmuraToru Ohmura (2 patents)Tatsuya NakaoTatsuya Nakao (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Toyo Ink Manufacturing Company (2 from 223 patents)


2 patents:

1. 5611881 - Method of thermal transfer recording on marking film

2. 5527615 - Image receptor sheet for thermal transfer

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as of
12/18/2025
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