KN

Kazumasa Nara

EI Eisai: 7 patents #173 of 998Top 20%
EC Eisai R&D Management Co.: 6 patents #113 of 817Top 15%
📍 Ibaraki, JP: #755 of 6,779 inventorsTop 15%
Overall (All Time): #385,079 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
8530654 Crystals, amorphous substances or salts of methyl N-[3-(6,7-dimethoxy-2-methylaminoquinazolin-4-yl) phenyl] terephthalamic acid Eiichi Yamamoto, Osamu Asano, Jun Niijima 2013-09-10
8399520 Selective estrogen receptor modulator Shinichi Hamaoka, Noritaka Kitazawa, Atsushi Sasaki, Atsushi Kamada, Tadashi Okabe 2013-03-19
7960412 Selective estrogen receptor modulator Shinichi Hamaoka, Noritaka Kitazawa, Atsushi Sasaki, Atsushi Kamada, Tadashi Okabe 2011-06-14
7834049 Integrin expression inhibitor Toshiaki Wakabayashi, Yasuhiro Funahashi, Naoko Hata, Taro Semba, Yuji Yamamoto +8 more 2010-11-16
7790885 Process for preparing phenoxypyridine derivatives Mitsuo Nagai, Tomohiro Matsushima, Atsushi Kamada, Kazunori Wakasugi, Shuji Shirotori +2 more 2010-09-07
7612114 Selective estrogen receptor modulator Shinichi Hamaoka, Noritaka Kitazawa, Atsushi Sasaki, Atsushi Kamada, Tadashi Okabe 2009-11-03
6787534 Sulfonamide-containing heterocyclic compounds Toru Haneda, Akihiko Tsuruoka, Junichi Kamata, Tadashi Okabe, Keiko Takahashi +10 more 2004-09-07
6673787 Sulfonamide-containing indole compounds Toru Haneda, Akihiko Tsuruoka, Junichi Kamata, Tadashi Okabe, Keiko Takahashi +10 more 2004-01-06
6638964 Sulfonamide-containing indole compounds Toru Haneda, Akihiko Tsuruoka, Junichi Kamata, Tadashi Okabe, Keiko Takahashi +10 more 2003-10-28
6469043 Sulfonamide-containing indole compounds Toru Haneda, Akihiko Tsuruoka, Junichi Kamata, Tadashi Okabe, Keiko Takahashi +10 more 2002-10-22
5792781 Antifungal agents, processes for the preparation thereof, and intermediates Toshihiko Naito, Katsura Hata, Yumiko Kaku, Akihiko Tsuruoka, Itaru Tsukada +2 more 1998-08-11
5789429 Antifungal agents, processes for the preparation thereof, and intermediates Toshihiko Naito, Katsura Hata, Yumiko Kaku, Akihiko Tsuruoka, Itaru Tsukada +2 more 1998-08-04
5648372 Antifungal agents, and compositions Toshihiko Naito, Katsura Hata, Yumiko Kaku, Akihiko Tsuruoka, Itaru Tsukada +2 more 1997-07-15