Growing community of inventors

Tokyo, Japan

Dal Oyama

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 = 1

Dal Oyama ↔ Koji Nishimura (1 patent)Dal Oyama ↔ Toshiro Sakai (1 patent)Dal Oyama ↔ Ryo Kojima (1 patent)Dal Oyama ↔ Yumiko Suda (1 patent)Dal Oyama ↔ Kumi Naiki (1 patent)Dal OyamaDal Oyama (1 patent)Koji NishimuraKoji Nishimura (36 patents)Toshiro SakaiToshiro Sakai (8 patents)Ryo KojimaRyo Kojima (2 patents)Yumiko SudaYumiko Suda (1 patent)Kumi NaikiKumi Naiki (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Astellas Pharma Gmbh (1 from 417 patents)


1 patent:

1. 10583087 - Pharmaceutical composition for oral administration

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idiyas.com
as of
12/26/2025
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