Growing community of inventors

Odawara, Japan

Hirotada Takahashi

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 = 5

Hirotada Takahashi ↔ Shuichi Gomi (1 patent)Hirotada Takahashi ↔ Shinjiro Sumi (1 patent)Hirotada Takahashi ↔ Katsuo Aizawa (1 patent)Hirotada Takahashi ↔ Yoshihiko Terayama (1 patent)Hirotada Takahashi ↔ Noriaki Aman (1 patent)Hirotada TakahashiHirotada Takahashi (1 patent)Shuichi GomiShuichi Gomi (16 patents)Shinjiro SumiShinjiro Sumi (4 patents)Katsuo AizawaKatsuo Aizawa (4 patents)Yoshihiko TerayamaYoshihiko Terayama (1 patent)Noriaki AmanNoriaki Aman (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Meiji Seika Kaisha, Ltd. (1 from 382 patents)


1 patent:

1. 6413495 - X-ray intercepting metal complexes of chlorin derivatives

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as of
12/12/2025
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