Growing community of inventors

Tokyo, Japan

Keiko Hirokawa

Average Co-Inventor Count = 6.00

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 = 8

Keiko HirokawaRyosuke Mihara (4 patents)Keiko HirokawaHidetomo Kitamura (3 patents)Keiko HirokawaYoshinobu Higuchi (3 patents)Keiko HirokawaYuki Iwayanagi (3 patents)Keiko HirokawaYumi Yamamoto (3 patents)Keiko HirokawaAkihisa Kaneko (3 patents)Keiko HirokawaTomohisa Saito (3 patents)Keiko HirokawaHiroaki Matsushita (3 patents)Keiko HirokawaNabil Kerrouche (1 patent)Keiko HirokawaHiroaki Matsushita (1 patent)Keiko HirokawaTomohisa Saito (1 patent)Keiko HirokawaAkihisa Kaneko (1 patent)Keiko HirokawaYumi Yamamoto (1 patent)Keiko HirokawaKeiko Hirokawa (4 patents)Ryosuke MiharaRyosuke Mihara (4 patents)Hidetomo KitamuraHidetomo Kitamura (17 patents)Yoshinobu HiguchiYoshinobu Higuchi (9 patents)Yuki IwayanagiYuki Iwayanagi (7 patents)Yumi YamamotoYumi Yamamoto (3 patents)Akihisa KanekoAkihisa Kaneko (3 patents)Tomohisa SaitoTomohisa Saito (3 patents)Hiroaki MatsushitaHiroaki Matsushita (3 patents)Nabil KerroucheNabil Kerrouche (4 patents)Hiroaki MatsushitaHiroaki Matsushita (1 patent)Tomohisa SaitoTomohisa Saito (1 patent)Akihisa KanekoAkihisa Kaneko (1 patent)Yumi YamamotoYumi Yamamoto (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Chugai Seiyaku Kabushiki Kaisha (4 from 950 patents)

2. Galderma Holding Sa (1 from 53 patents)


4 patents:

1. 12441804 - Pharmaceutical composition for prevention and/or treatment of atopic dermatitis comprising IL-31 antagonist as active ingredient

2. 12435147 - Nemolizumab in the treatment of atopic dermatitis with moderate to severe excoriation

3. 11773173 - Pharmaceutical composition for prevention and/or treatment of atopic dermatitis comprising IL-31 antagonist as active ingredient

4. 10544227 - Pharmaceutical composition for prevention and/or treatment of atopic dermatitis comprising IL-31 antagonist as active ingredient

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as of
12/31/2025
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