Growing community of inventors

Tokyo, Japan

Akiko Nakahama

Average Co-Inventor Count = 5.00

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 = 1

Akiko Nakahama ↔ Isao Yamatsu (1 patent)Akiko Nakahama ↔ Takashi Yamanaka (1 patent)Akiko Nakahama ↔ Koukichi Harada (1 patent)Akiko Nakahama ↔ Toshihiko Yamauchi (1 patent)Akiko NakahamaAkiko Nakahama (1 patent)Isao YamatsuIsao Yamatsu (84 patents)Takashi YamanakaTakashi Yamanaka (27 patents)Koukichi HaradaKoukichi Harada (26 patents)Toshihiko YamauchiToshihiko Yamauchi (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Eisai Company, Limited (1 from 677 patents)


1 patent:

1. 5854279 - Therapeutic agent for dermatosis

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12/5/2025
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