Growing community of inventors

Tokyo, Japan

Akio Shirai

Average Co-Inventor Count = 4.07

ph-index = 1

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 = 2

Akio ShiraiToshikazu Kamiya (4 patents)Akio ShiraiTatsuya Tamaoki (2 patents)Akio ShiraiYoshiharu Yokoo (2 patents)Akio ShiraiTomoya Takahashi (2 patents)Akio ShiraiShun Kayahashi (1 patent)Akio ShiraiMiho Takada (1 patent)Akio ShiraiFumiko Ogino (1 patent)Akio ShiraiTomoya Takahashi (1 patent)Akio ShiraiToshikazu Kamiya (1 patent)Akio ShiraiToshikazu Kamiya (1 patent)Akio ShiraiAkio Shirai (4 patents)Toshikazu KamiyaToshikazu Kamiya (14 patents)Tatsuya TamaokiTatsuya Tamaoki (21 patents)Yoshiharu YokooYoshiharu Yokoo (21 patents)Tomoya TakahashiTomoya Takahashi (13 patents)Shun KayahashiShun Kayahashi (4 patents)Miho TakadaMiho Takada (2 patents)Fumiko OginoFumiko Ogino (2 patents)Tomoya TakahashiTomoya Takahashi (1 patent)Toshikazu KamiyaToshikazu Kamiya (1 patent)Toshikazu KamiyaToshikazu Kamiya (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kyowa Hakko Kogyo Co., Ltd. (3 from 730 patents)

2. Kyowa Hakko Bio Co., Ltd. (1 from 104 patents)

3. Toshikazu Kamiya (0 patent)

4. Yoshiharu Yokoo (0 patent)

5. Tomoya Takahashi (0 patent)

6. Tatsuya Tamaoki (0 patent)

7. Akio Shirai (0 patent)


4 patents:

1. 8178105 - [object Object]

2. 7485662 - Therapeutic agent for diabetes mellitus

3. 7033580 - Hair-growing agent

4. 6506370 - Hair-growing agent

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1/4/2026
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