Growing community of inventors

Ibaraki, Japan

Astsushi Koiwa

Average Co-Inventor Count = 14.01

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 = 19

Astsushi Koiwa ↔ Yasuyuki Suzuki (1 patent)Astsushi Koiwa ↔ Kazuhide Ashizawa (1 patent)Astsushi Koiwa ↔ Masahiko Tsujii (1 patent)Astsushi Koiwa ↔ Hiroyuki Chiba (1 patent)Astsushi Koiwa ↔ Taiju Nakamura (1 patent)Astsushi Koiwa ↔ Akio Kayano (1 patent)Astsushi Koiwa ↔ Hiroyuki Ishizuka (1 patent)Astsushi Koiwa ↔ Takako Yoshiba (1 patent)Astsushi Koiwa ↔ Hiroyuki Saito (1 patent)Astsushi Koiwa ↔ Ikuo Kushida (1 patent)Astsushi Koiwa ↔ Masahiro Sakurai (1 patent)Astsushi Koiwa ↔ Shin Sakurai (1 patent)Astsushi Koiwa ↔ Eiichi Yamamoto (1 patent)Astsushi KoiwaAstsushi Koiwa (1 patent)Yasuyuki SuzukiYasuyuki Suzuki (18 patents)Kazuhide AshizawaKazuhide Ashizawa (12 patents)Masahiko TsujiiMasahiko Tsujii (11 patents)Hiroyuki ChibaHiroyuki Chiba (8 patents)Taiju NakamuraTaiju Nakamura (8 patents)Akio KayanoAkio Kayano (5 patents)Hiroyuki IshizukaHiroyuki Ishizuka (2 patents)Takako YoshibaTakako Yoshiba (2 patents)Hiroyuki SaitoHiroyuki Saito (2 patents)Ikuo KushidaIkuo Kushida (2 patents)Masahiro SakuraiMasahiro Sakurai (2 patents)Shin SakuraiShin Sakurai (2 patents)Eiichi YamamotoEiichi Yamamoto (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

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


1 patent:

1. 7084268 - Carbapenem compound crystals and interjection preparations

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