NK

Natsuyo Kumai

KC Kowa Company: 3 patents #157 of 562Top 30%
📍 Fujimi, JP: #105 of 195 inventorsTop 55%
Overall (All Time): #1,579,135 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7314877 Benzofuran derivative Seiichi Sato, Tomoyuki Koshi, Toshimi Mizoguchi, Kyoko Yasuoka, Junko Totsuka +2 more 2008-01-01
6664256 Phenylpyridazine compounds and medicines containing the same Masao Ohkuchi, Yoshinori Kyotani, Hiromichi Shigyo, Tomoyuki Koshi, Tadaaki Ohgiya +2 more 2003-12-16
6348468 Pyridazine compounds and compositions containing the same Masao Ohkuchi, Yoshinori Kyotani, Hiromichi Shigyo, Tomoyuki Koshi, Takahiro Kitamura +6 more 2002-02-19