Growing community of inventors

Fujinomiya, Japan

Akihiko Umeno

Average Co-Inventor Count = 3.93

ph-index = 7

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 = 744

Akihiko UmenoHiraku Murayama (14 patents)Akihiko UmenoJun Iwami (14 patents)Akihiko UmenoYutaka Itou (13 patents)Akihiko UmenoYouki Aimi (13 patents)Akihiko UmenoTakahiro Kugo (3 patents)Akihiko UmenoTadashi Kousai (1 patent)Akihiko UmenoKiyoshi Yamauchi (1 patent)Akihiko UmenoYutaka Tano (1 patent)Akihiko UmenoNoriyuki Tamai (1 patent)Akihiko UmenoSatoru Kanuka (1 patent)Akihiko UmenoHiroshi Ishikawa (1 patent)Akihiko UmenoChikei Shinohara (1 patent)Akihiko UmenoTadashi Seto (1 patent)Akihiko UmenoAkihiko Umeno (19 patents)Hiraku MurayamaHiraku Murayama (31 patents)Jun IwamiJun Iwami (21 patents)Yutaka ItouYutaka Itou (21 patents)Youki AimiYouki Aimi (15 patents)Takahiro KugoTakahiro Kugo (6 patents)Tadashi KousaiTadashi Kousai (18 patents)Kiyoshi YamauchiKiyoshi Yamauchi (17 patents)Yutaka TanoYutaka Tano (6 patents)Noriyuki TamaiNoriyuki Tamai (6 patents)Satoru KanukaSatoru Kanuka (2 patents)Hiroshi IshikawaHiroshi Ishikawa (2 patents)Chikei ShinoharaChikei Shinohara (1 patent)Tadashi SetoTadashi Seto (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Terumo Kabushiki Kaisha (19 from 2,316 patents)

2. Tokin Corporation (1 from 149 patents)


19 patents:

1. 9295814 - Guide wire

2. 9056189 - Guide wire

3. 8968215 - Guide wire

4. 8376962 - Guide wire

5. 8348859 - Guide wire

6. 8348860 - Guide wire

7. 8124905 - Guide wire

8. 8109887 - Guide wire

9. 8007447 - Guide wire

10. 7942832 - Medical guide wire

11. 7922673 - Guide wire

12. 7892187 - Guide wire

13. 7770779 - Guide wire

14. 7722551 - Guide wire

15. 7607561 - Guide wire

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as of
1/3/2026
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