Growing community of inventors

Kunitachi, Japan

Hirohisa Tokunaga

Average Co-Inventor Count = 3.27

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 = 24

Hirohisa TokunagaAkio Ihara (2 patents)Hirohisa TokunagaShingo Yamaguchi (1 patent)Hirohisa TokunagaYutaka Nakamura (1 patent)Hirohisa TokunagaSatoshi Kanbayashi (1 patent)Hirohisa TokunagaKazuhiro Nakashima (1 patent)Hirohisa TokunagaHayato Shida (1 patent)Hirohisa TokunagaTetsuya Hori (1 patent)Hirohisa TokunagaKuniaki Imamiya (1 patent)Hirohisa TokunagaHirohisa Tokunaga (3 patents)Akio IharaAkio Ihara (2 patents)Shingo YamaguchiShingo Yamaguchi (65 patents)Yutaka NakamuraYutaka Nakamura (40 patents)Satoshi KanbayashiSatoshi Kanbayashi (16 patents)Kazuhiro NakashimaKazuhiro Nakashima (14 patents)Hayato ShidaHayato Shida (9 patents)Tetsuya HoriTetsuya Hori (8 patents)Kuniaki ImamiyaKuniaki Imamiya (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Fujitsu Toshiba Mobile Communications Limited (2 from 92 patents)

2. Fujitsu Corporation (1 from 39,245 patents)


3 patents:

1. 9129757 - Waterproof type switch and electronic device

2. 8243457 - Electronic component mounting structure, electronic device and manufacturing method of an electronic device

3. 7887344 - Electronic device with an external connector

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