Growing community of inventors

Tokyo, Japan

Shu Katayama

Average Co-Inventor Count = 2.89

ph-index = 8

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 = 269

Shu KatayamaShigeru Kanauchi (27 patents)Shu KatayamaAkiko Ikoma (27 patents)Shu KatayamaMitsutoshi Tokuyama (27 patents)Shu KatayamaMasashi Katahira (10 patents)Shu KatayamaTomoyuki Tanaka (7 patents)Shu KatayamaMasaru Shimomura (3 patents)Shu KatayamaTakashi Nakase (2 patents)Shu KatayamaTabito Kurosaka (2 patents)Shu KatayamaYu Funakoshi (2 patents)Shu KatayamaMakoto Kadokura (2 patents)Shu KatayamaTaku Inoue (1 patent)Shu KatayamaHirotada Iwade (1 patent)Shu KatayamaMinoru Inagaki (1 patent)Shu KatayamaHiroshi Teraoka (1 patent)Shu KatayamaMitsuhiro Kuromi (1 patent)Shu KatayamaShu Katayama (35 patents)Shigeru KanauchiShigeru Kanauchi (32 patents)Akiko IkomaAkiko Ikoma (27 patents)Mitsutoshi TokuyamaMitsutoshi Tokuyama (27 patents)Masashi KatahiraMasashi Katahira (10 patents)Tomoyuki TanakaTomoyuki Tanaka (11 patents)Masaru ShimomuraMasaru Shimomura (21 patents)Takashi NakaseTakashi Nakase (15 patents)Tabito KurosakaTabito Kurosaka (5 patents)Yu FunakoshiYu Funakoshi (2 patents)Makoto KadokuraMakoto Kadokura (2 patents)Taku InoueTaku Inoue (12 patents)Hirotada IwadeHirotada Iwade (11 patents)Minoru InagakiMinoru Inagaki (3 patents)Hiroshi TeraokaHiroshi Teraoka (1 patent)Mitsuhiro KuromiMitsuhiro Kuromi (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Tomy Company, Ltd. (27 from 577 patents)

2. Bridgestone Sports Co., Ltd. (8 from 1,273 patents)


35 patents:

1. D886916 - Robot toy

2. D886915 - Robot toy

3. D886917 - Robot toy

4. D881287 - Robot toy

5. D881288 - Robot toy

6. D881289 - Robot toy

7. D881290 - Robot toy

8. D878493 - Accessory for robot toy

9. D877817 - Accessory for robot toy

10. D871518 - Figure toy

11. D871519 - Figure toy

12. D871520 - Figure toy

13. D871516 - Robot toy

14. D871517 - Robot toy

15. D870213 - Robot toy

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as of
12/28/2025
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