Network


Latest external collaboration on country level. Dive into details by clicking on the dots.

Hotspot


Dive into the research topics where Takeo Oba is active.

Publication


Featured researches published by Takeo Oba.


Archive | 1982

5-fluoro-2'-deoxyuridine derivatives and a process for the preparation thereof

Kenzo Watanabe; Masahiko Saito; Yoshinori Kato; Takeo Oba; Hisashi Fukushima; Takeshi Hara


Archive | 1981

Halogenated prostacyclins pharmaceutical use thereof and hydroxy intermediates therefore

Takeshi Toru; Kiyoshi Bannai; Takeo Oba; Toshio Tanaka; Noriaki Okamura; Kenzo Wantanabe; Seizi Kurozumi; Akira Ohtsu; Tatsuyuki Naruchi


Archive | 1981

Novel halogenated prostacyclins, process for the production thereof, and pharmaceutical use thereof

Kiyoshi Bannai; Takeshi Toru; Takeo Oba; Toshio Tanaka; Noriaki Okamura; Kenzo Watanabe; Seizi Kurozumi; Akira Ohtsu; Tatsuyuki Naruchi


Archive | 1981

NOVEL THIAPROSTAGLANDIN E1 DERIVATIVES, PROCESS FOR PRODUCTION THEREOF, AND PHARMACEUTICALS CONTAINING THESE COMPOUNDS

Toshio Tanaka; Takeshi Toru; Takeo Oba; Noriaki Okamura; Kenzo Watanabe; Kiyoshi Bannai; Atsuo Hazato; Seizi Kurozumi; Akira Ohtsu; Fukuyoshi Kamimoto


Archive | 1977

3-Methylene cephalosporanic acid derivatives and process for preparation thereof

Sachio Ishimoto; Hisao Yamaguchi; Yoshinori Kato; Takeo Oba; Kenji Ozawa; Yataro Ichikawa; Koji Nakagawa; Hideki Tsuruta


Archive | 1981

Novel thiazolo(3,2-a)pyrimidines, derivatives thereof, processes for production thereof, and pharmaceutical use thereof

Noriaki Okamura; Takeshi Toru; Takeo Oba; Toshio Tanaka; Kiyoshi Bannai; Kenzo Watanabe; Seizi Kurozumi; Tatsuyuki Naruchi; Keiji Komoriya


Archive | 1981

Thiaprostaglandin E1 derivatives, process for production thereof, and pharmaceutical use thereof

Toshio Tanaka; Takeshi Toru; Takeo Oba; Noriaki Okamura; Kenzo Watanabe; Kiyoshi Bannai; Atsuo Hazato; Seizi Kurozumi; Fukuyoshi Kamimoto; Akira Ohtsu


Archive | 1980

Derivative of thiazolo[3,2-a]pyrimidine and a process for the preparation thereof and a drug containing it

Takeo Oba; Kiyoshi Bannai; Toshio Tanaka; Kenzo Watanabe; Tatsuyuki Naruchi; Keiji Komoriya; Seizi Kurozumi; Kenji Hoshina


Archive | 1975

PREPARATION OF 33 METHYLENECEPHALOSPORANIC ACID DERIVATIVES

Hitoshi Fujimori; Yoshio Ishimoto; Takeo Oba; Kenji Ozawa; Itaru Terai; Hisao Yamaguchi


Archive | 1975

Process for preparation of secopenicilanic acid amide derivatives

Yoshio Ishimoto; Yoshinori Kato; Yoshiko Kawakami; Takeo Oba; Kenji Ozawa; Hisao Yamaguchi

Collaboration


Dive into the Takeo Oba's collaboration.

Researchain Logo
Decentralizing Knowledge