SS

Seigo Sawada

YH Yakult Honsha: 26 patents #1 of 410Top 1%
DC Daiichi Pharmaceutical Co.: 1 patents #181 of 399Top 50%
TK Terumo Kabushiki Kaisha: 1 patents #888 of 1,558Top 60%
Overall (All Time): #155,462 of 4,157,543Top 4%
26
Patents All Time

Issued Patents All Time

Showing 1–25 of 26 patents

Patent #TitleCo-InventorsDate
9174979 Phenanthroindolizidine compound and NFκB inhibitor containing same as active ingredient Takashi Ikeda, Takashi Yaegashi, Takeshi Matsuzaki, Shusuke Hashimoto, Ryuta Yamazaki 2015-11-03
8569327 Phenanthroindolizidine derivative and NFκB inhibitor containing same as active ingredient Takashi Ikeda, Takashi Yaegashi, Takeshi Matsuzaki, Shusuke Hashimoto, Ryuta Yamazaki 2013-10-29
8501813 γ-secretase inhibitor Atsuhiro Abe, Hideaki Shimizu, Hiroshi Kodaira 2013-08-06
8476438 Process for production of camptothecin derivative Takashi Yaegashi 2013-07-02
8466287 Process for producing tricyclic ketone Hiroyuki Nishiyama 2013-06-18
8067595 Process for producing tricyclic ketone Hiroyuki Nishiyama 2011-11-29
7897772 Acid addition salt of irinotecan Hideaki Shimizu, Miyuki Uchida, Norimasa Kaneda, Tsuneo Matsumoto 2011-03-01
7846473 Irinotecan preparation Keisuke Yoshino, Shigenori Nozawa, Masashi Isozaki, Ikuo Kato, Takeshi Matsuzaki 2010-12-07
7488825 Method for preparing polymorphism of irinotecan hydrochloride Hideaki Shimizu, Atsuhiro Abe, Takashi Yaegashi 2009-02-10
7378555 Method of synthesizing camptothecin-relating compounds Takanori Ogawa, Hiroyuki Nishiyama, Miyuki Uchida 2008-05-27
7126000 Method of synthesizing camptothecin-relating compounds Takanori Ogawa, Hiroyuki Nishiyama, Miyuki Uchida 2006-10-24
6743918 Process for producing camptothecin Takashi Yaegashi, Takanori Ogawa 2004-06-01
6310210 Camptothecin derivatives Takanori Ogawa, Takashi Yaegashi, Tomio Furuta 2001-10-30
6268381 Taxane derivatives Hideaki Shimizu, Atsuhiro Abe, Takanori Ogawa, Hiroshi Nagata 2001-07-31
6136808 Taxane derivatives Atsuhiro Abe, Hideaki Shimizu, Takanori Ogawa, Hiroshi Nagata 2000-10-24
6025385 Taxane derivatives and drugs containing the same Hideaki Shimizu, Atsuhiro Abe, Takashi Yaegashi, Hiroshi Nagata 2000-02-15
5843954 Camptothecin derivatives, preparations thereof and antitumor agents Takashi Yaegashi, Tomio Furuta, Teruo Yokokura 1998-12-01
5061800 Camptothecin derivatives Takashi Yaegashi, Satoru Okajima, Kenichiro Nokata, Kenichi Tezuka, Hiroshi Nagata +2 more 1991-10-29
4914205 Camptothecin derivatives Kenichiro Nokata, Satoru Okajima, Hisako Nagai, Takashi Yaegashi, Kenichi Tezuka +1 more 1990-04-03
RE32518 Camptothecin derivatives Tadashi Miyasaka, Masahiko Mutai, Kenichiro Nokata, Hisao Hagiwara 1987-10-13
4604463 Camptothecin derivatives and process for preparing same Tadashi Miyasaka, Kenichiro Nokata, Eiichi Sugino, Masahiko Mutai 1986-08-05
4545880 Photochemical process for preparing camptothecin derivatives Tadashi Miyasaka, Kenichiro Nokata, Masahiko Mutai 1985-10-08
4513138 Camptothecin-1-oxide derivatives Tadashi Miyasaka, Kenichiro Nokata, Masahiko Mutai 1985-04-23
4473692 Camptothecin derivatives and process for preparing same Tadashi Miyasaka, Kenichiro Nokata, Masahiko Mutai 1984-09-25
4399276 7-Substituted camptothecin derivatives Tadashi Miyasaka, Masahiko Mutai, Kenichiro Nokata 1983-08-16