Growing community of inventors

Tokyo, Japan

Ei-ichi Nakai

Average Co-Inventor Count = 10.00

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 = 4

Ei-ichi Nakai ↔ Noriaki Nagano (1 patent)Ei-ichi Nakai ↔ Tetsuya Maeda (1 patent)Ei-ichi Nakai ↔ Masaki Yokota (1 patent)Ei-ichi Nakai ↔ Toru Yoden (1 patent)Ei-ichi Nakai ↔ Ryuichiro Hara (1 patent)Ei-ichi Nakai ↔ Tokuo Koide (1 patent)Ei-ichi Nakai ↔ Hideki Anan (1 patent)Ei-ichi Nakai ↔ Katsuhiko Hamaguchi (1 patent)Ei-ichi Nakai ↔ Masato Sato (1 patent)Ei-ichi NakaiEi-ichi Nakai (1 patent)Noriaki NaganoNoriaki Nagano (12 patents)Tetsuya MaedaTetsuya Maeda (9 patents)Masaki YokotaMasaki Yokota (9 patents)Toru YodenToru Yoden (8 patents)Ryuichiro HaraRyuichiro Hara (6 patents)Tokuo KoideTokuo Koide (4 patents)Hideki AnanHideki Anan (2 patents)Katsuhiko HamaguchiKatsuhiko Hamaguchi (1 patent)Masato SatoMasato Sato (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Yamanouchi Pharmaceutical Company Ltd. (1 from 329 patents)


1 patent:

1. 5233035 - Cephalosporin derivatives

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
12/5/2025
Loading…