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Hitachi, Japan

Hirotaka Eshima

Average Co-Inventor Count = 2.81

ph-index = 6

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 = 176

Hirotaka EshimaYoshikazu Hayakawa (40 patents)Hirotaka EshimaTakahiro Futatsumori (29 patents)Hirotaka EshimaTomoyuki Murayama (27 patents)Hirotaka EshimaFumihito Oka (24 patents)Hirotaka EshimaHiroyuki Ito (8 patents)Hirotaka EshimaNaoya Toyoshima (6 patents)Hirotaka EshimaYoji Kobayashi (5 patents)Hirotaka EshimaNobuyuki Yamashita (4 patents)Hirotaka EshimaTomoyuki Murayama (4 patents)Hirotaka EshimaYuta Sugiyama (2 patents)Hirotaka EshimaSatoshi Murata (2 patents)Hirotaka EshimaHideki Horikoshi (2 patents)Hirotaka EshimaNoriyuki Takahashi (1 patent)Hirotaka EshimaSachio Suzuki (1 patent)Hirotaka EshimaRyoji Mizutani (1 patent)Hirotaka EshimaShinya Hayashi (1 patent)Hirotaka EshimaNaofumi Chiwata (1 patent)Hirotaka EshimaKenji Ishida (1 patent)Hirotaka EshimaTakeshi Terasaki (1 patent)Hirotaka EshimaKei Takakuwa (1 patent)Hirotaka EshimaTomonori Shibata (1 patent)Hirotaka EshimaTakafumi Kai (1 patent)Hirotaka EshimaTomohisa Suzuki (1 patent)Hirotaka EshimaMinoru Oikawa (1 patent)Hirotaka EshimaHiroshi Sakaguchi (1 patent)Hirotaka EshimaHaruhiko Sugai (1 patent)Hirotaka EshimaTsuyoshi Miura (1 patent)Hirotaka EshimaShingo Hatayama (1 patent)Hirotaka EshimaFumihito Oka (1 patent)Hirotaka EshimaHirotaka Eshima (62 patents)Yoshikazu HayakawaYoshikazu Hayakawa (49 patents)Takahiro FutatsumoriTakahiro Futatsumori (50 patents)Tomoyuki MurayamaTomoyuki Murayama (28 patents)Fumihito OkaFumihito Oka (40 patents)Hiroyuki ItoHiroyuki Ito (75 patents)Naoya ToyoshimaNaoya Toyoshima (9 patents)Yoji KobayashiYoji Kobayashi (9 patents)Nobuyuki YamashitaNobuyuki Yamashita (46 patents)Tomoyuki MurayamaTomoyuki Murayama (5 patents)Yuta SugiyamaYuta Sugiyama (32 patents)Satoshi MurataSatoshi Murata (16 patents)Hideki HorikoshiHideki Horikoshi (6 patents)Noriyuki TakahashiNoriyuki Takahashi (83 patents)Sachio SuzukiSachio Suzuki (47 patents)Ryoji MizutaniRyoji Mizutani (44 patents)Shinya HayashiShinya Hayashi (28 patents)Naofumi ChiwataNaofumi Chiwata (19 patents)Kenji IshidaKenji Ishida (11 patents)Takeshi TerasakiTakeshi Terasaki (8 patents)Kei TakakuwaKei Takakuwa (7 patents)Tomonori ShibataTomonori Shibata (6 patents)Takafumi KaiTakafumi Kai (5 patents)Tomohisa SuzukiTomohisa Suzuki (3 patents)Minoru OikawaMinoru Oikawa (2 patents)Hiroshi SakaguchiHiroshi Sakaguchi (2 patents)Haruhiko SugaiHaruhiko Sugai (2 patents)Tsuyoshi MiuraTsuyoshi Miura (1 patent)Shingo HatayamaShingo Hatayama (1 patent)Fumihito OkaFumihito Oka (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hitachi Metals, Ltd. (49 from 2,333 patents)

2. Hitachi Cable, Inc. (7 from 836 patents)

3. Proterial, Ltd. (6 from 204 patents)

4. Toyota Jidosha Kabushiki Kaisha (2 from 36,721 patents)


62 patents:

1. 12354771 - Composite cable

2. 12322531 - Composite cable and composite harness

3. 12109954 - Complex harness

4. 12014845 - Composite cable

5. 11987188 - Complex harness

6. 11846527 - Sensor device, cable with sensor, and composite cable

7. 11664136 - Composite cable and composite harness

8. 11569003 - Composite cable and composite harness

9. 11476014 - Wire harness with insulated twisted wire and welded holding member

10. 11312319 - Wire harness

11. 11264148 - Composite cable and composite harness

12. 11262217 - Sensor device, cable with sensor, and composite cable

13. 11077806 - Complex harness

14. 11031154 - Composite cable and composite harness

15. 10867722 - Wire harness

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as of
12/30/2025
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