YS

Yasuharu Sekizawa

MK Meiji Seika Kaisha: 4 patents #131 of 752Top 20%
ZK Zaidan Hojin Biseibutsu Kagaku Kenkyu Kai: 2 patents #56 of 194Top 30%
Overall (All Time): #671,931 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
4474764 3-Amino-2-hydroxy-4-phenylbutanoic acid derivatives and pharmaceutical composition containing the same Hamao Umezawa, Tomio Takeuchi, Takaaki Aoyagi, Mitsugu Hachisu, Kenji Kawamura +1 more 1984-10-02
4418070 Cardiotonic agents Tsuneo Okonogi, Shunzo Fukatsu, Mitsugu Hachisu, Hiroko Kawashima, Keiko Shitoh 1983-11-29
4395402 Analgesic agent Hamao Umezawa, Tomio Takeuchi, Takaaki Aoyagi, Mitsugu Hachisu, Kenji Kawamura +1 more 1983-07-26
4264532 Process for preparing D,L-2-amino-4-methylphosphinobutyric acid Takashi Tsuruoka, Akira Suzuki, Kunitaka Tachibana, Kazuko Mizutani, Shigeharu Inouye +1 more 1981-04-28
4229448 5-Substituted picolinic acid derivatives and an anti-hypertensive composition containing the same Takashi Tsuruoka, Mitsugu Hachisu, Masaji Sezaki, Masashi Miyamoto, Uichi Shibata +5 more 1980-10-21
4216226 Antiviral agent and treatment of viral infections Harumi Fukuyasu, Zenichiro Ohya, Katsuo Kawakami, Takahiko Kikuchi, Takashi Shomura +4 more 1980-08-05
4198416 5-Alkoxy-picolinic esters and anti-hypertensive composition containing 5-alkoxy-picolinic esters Takemi Koeda, Takashi Tsuruoka, Uichi Shibata, Hiroyasu Asaoka, Mitsugu Hachisu +3 more 1980-04-15
4189489 5-Alkoxy-picolinic acid calcium salts and anti-hypertensive composition containing 5-alkoxy-picolinic acid calcium salts and anti-hypertensive composition thereof Takemi Koeda, Takashi Tsuruoka, Uichi Shibata, Hiroyasu Asaoka, Mitsugu Hachisu +3 more 1980-02-19