Growing community of inventors

Yokohama, Japan

Takashi Ishibashi

Average Co-Inventor Count = 4.44

ph-index = 2

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 = 86

Takashi Ishibashi ↔ Minoru Ikeda (1 patent)Takashi Ishibashi ↔ Yoshihiro Iwama (1 patent)Takashi Ishibashi ↔ Koji Suso (1 patent)Takashi Ishibashi ↔ Yukinobu Maruyama (1 patent)Takashi Ishibashi ↔ Yuichiro Kota (1 patent)Takashi Ishibashi ↔ Isshu Nakajima (1 patent)Takashi Ishibashi ↔ Shinichi Urano (1 patent)Takashi IshibashiTakashi Ishibashi (2 patents)Minoru IkedaMinoru Ikeda (61 patents)Yoshihiro IwamaYoshihiro Iwama (35 patents)Koji SusoKoji Suso (34 patents)Yukinobu MaruyamaYukinobu Maruyama (30 patents)Yuichiro KotaYuichiro Kota (11 patents)Isshu NakajimaIsshu Nakajima (8 patents)Shinichi UranoShinichi Urano (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hitachi, Ltd. (2 from 42,517 patents)


2 patents:

1. D517543 - Electronic computer

2. D490422 - Handheld computer

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as of
1/8/2026
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