Growing community of inventors

Tokyo, Japan

Hisashi Ohkubo

Average Co-Inventor Count = 6.00

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 = 22

Hisashi Ohkubo ↔ Hideki Horikoshi (1 patent)Hisashi Ohkubo ↔ Hideki Hagiwara (1 patent)Hisashi Ohkubo ↔ Tatsuya Kaito (1 patent)Hisashi Ohkubo ↔ Akira Uno (1 patent)Hisashi Ohkubo ↔ Tomoya Ishii (1 patent)Hisashi OhkuboHisashi Ohkubo (1 patent)Hideki HorikoshiHideki Horikoshi (6 patents)Hideki HagiwaraHideki Hagiwara (4 patents)Tatsuya KaitoTatsuya Kaito (2 patents)Akira UnoAkira Uno (1 patent)Tomoya IshiiTomoya Ishii (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hitachi Cable, Inc. (1 from 836 patents)


1 patent:

1. 7021339 - Brake hose for motor vehicle

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as of
1/8/2026
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