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Osamu Kogawa

NK Nippon Kayaku: 3 patents #255 of 1,103Top 25%
📍 Kashiwa, JP: #256 of 653 inventorsTop 40%
Overall (All Time): #1,623,329 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6251355 Fine cisplatin powder and process for the production thereof Toshitaka Murata, Keizou Ishikawa, Kenji Iwata 2001-06-26
5747502 Process for preparing benzoc!phenanthridinium derivatives, novel compounds prepared by said process, and antitumor agents Miyoji Hanaoka, Hisao Ekimoto, Fumiko Kobayashi, Yukio Irie, Katsutoshi Takahashi +3 more 1998-05-05
5130450 Platinum complexes Kenji Iwata, Hisao Ekimoto, Tadashi Ishii, Kimihiko Takada 1992-07-14