Growing community of inventors

Tsuzuki-gun, Japan

Takashi Oya

Average Co-Inventor Count = 8.00

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 = 20

Takashi Oya ↔ Yoshinori Hamada (1 patent)Takashi Oya ↔ Masayoshi Inoue (1 patent)Takashi Oya ↔ Fumihiko Matsubara (1 patent)Takashi Oya ↔ Hideaki Tai (1 patent)Takashi Oya ↔ Katsuo Oda (1 patent)Takashi Oya ↔ Kazuichi Fujikane (1 patent)Takashi Oya ↔ Kenji Sugiyama (1 patent)Takashi OyaTakashi Oya (1 patent)Yoshinori HamadaYoshinori Hamada (6 patents)Masayoshi InoueMasayoshi Inoue (6 patents)Fumihiko MatsubaraFumihiko Matsubara (4 patents)Hideaki TaiHideaki Tai (3 patents)Katsuo OdaKatsuo Oda (2 patents)Kazuichi FujikaneKazuichi Fujikane (2 patents)Kenji SugiyamaKenji Sugiyama (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Shionogi Company Limited (1 from 1,001 patents)


1 patent:

1. 6111098 - Crystal of pyrrolidylthiocarbapenem derivative, lyophilized preparation

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
1/8/2026
Loading…