Growing community of inventors

Tokyo, Japan

Ikuo Kubota

Average Co-Inventor Count = 3.13

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 = 41

Ikuo KubotaAtsushi Watanabe (4 patents)Ikuo KubotaTakamasa Araki (4 patents)Ikuo KubotaKazuhide Hayama (1 patent)Ikuo KubotaKanji Narazaki (1 patent)Ikuo KubotaNobuyuki Kamishioiri (1 patent)Ikuo KubotaHideyuki Ishiguro (1 patent)Ikuo KubotaKensaku Uchida (1 patent)Ikuo KubotaIkuo Kubota (6 patents)Atsushi WatanabeAtsushi Watanabe (140 patents)Takamasa ArakiTakamasa Araki (30 patents)Kazuhide HayamaKazuhide Hayama (37 patents)Kanji NarazakiKanji Narazaki (8 patents)Nobuyuki KamishioiriNobuyuki Kamishioiri (4 patents)Hideyuki IshiguroHideyuki Ishiguro (2 patents)Kensaku UchidaKensaku Uchida (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Sony Computer Entertainment Inc. (4 from 1,799 patents)

2. Sony Corporation (1 from 58,130 patents)

3. Kao Corporation (1 from 3,602 patents)

4. Mitsubishi Yuka Fine Chemicals Co., Ltd. (1 from 14 patents)


6 patents:

1. 8662295 - Storing case for memory card

2. D677099 - Case for a recording media

3. D677098 - Case for a recording media

4. D676268 - Case for recording media

5. 8080704 - Absorbent article

6. 4767616 - Resin compositions having hair-conditioning property

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as of
12/18/2025
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