Growing community of inventors

Osaka, Japan

Kouhei Toyooka

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

Kouhei Toyooka ↔ Takashi Tamura (1 patent)Kouhei Toyooka ↔ Haruo Kuriyama (1 patent)Kouhei Toyooka ↔ Masakazu Yoshimura (1 patent)Kouhei Toyooka ↔ Norimasa Kanamitsu (1 patent)Kouhei ToyookaKouhei Toyooka (1 patent)Takashi TamuraTakashi Tamura (52 patents)Haruo KuriyamaHaruo Kuriyama (3 patents)Masakazu YoshimuraMasakazu Yoshimura (2 patents)Norimasa KanamitsuNorimasa Kanamitsu (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Maruishi Pharmaceutical Co., Ltd. (1 from 14 patents)


1 patent:

1. 7521451 - Isoindoline derivative

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12/16/2025
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