KI

Kiyofumi Ishikawa

BC Banyu Pharmaceutical Co.: 17 patents #9 of 330Top 3%
📍 Chofu, JP: #34 of 517 inventorsTop 7%
Overall (All Time): #280,393 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
6114524 Process for producing halogenated heteroaryl compounds Shigemitsu Okada, Ryosuke Ushijima 2000-09-05
5714479 Endothelin antagonistic heteroaromatic ring-fused cyclopentene derivatives Toshio Nagase, Toshiaki Mase, Takashi Hayama, Masaki Ihara, Masaru Nishikibe +1 more 1998-02-03
5691315 Endothelin antagonistic peptide derivatives Takehiro Fukami, Takashi Hayama, Kenji Niiyama, Toshio Nagase, Toshiaki Mase +4 more 1997-11-25
5614498 Endothelin antagonistic substance Takehiro Fukami, Takeshi Hayama, Kenji Niiyama, Toshio Nagase, Toshiaki Mase +5 more 1997-03-25
5498717 6,7-dialkoxy-3,4-diydroisoquinolin-8-yl compounds Takashi Hayama 1996-03-12
5496928 Endothelin antagonistic substance Takehiro Fukami, Takashi Hayama, Kenji Niiyama, Toshio Nagase, Toshiaki Mase +5 more 1996-03-05
5494897 Endothelin antagonistic peptide Takehiro Fukami, Masaki Ihara, Mitsuo Yano 1996-02-27
5470833 Endothelin antagonistic peptide derivatives Takehiro Fukami, Takashi Hayama, Kenji Niiyama, Toshio Nagase, Toshiaki Mase +4 more 1995-11-28
5446164 Process for preparing 6,7-dialkoxy-3,4-dihydroisoquinolin-8-ol Takashi Hayama 1995-08-29
5444152 Endothelin antagonistic peptide derivatives Takehiro Fukami, Takashi Hayama, Kenji Niiyama, Toshio Nagase, Toshiaki Mase +4 more 1995-08-22
5389620 Endothelin antagonistic heteroaromatic ring-fused cyclopentene derivatives Toshio Nagase, Toshiaki Mase, Takashi Hayama, Masaki Ihara, Masaru Nishikibe +1 more 1995-02-14
5380921 Aminophosponic acid derivative Takehiro Fukami, Takashi Hayama, Kenji Matsuyama, Kazuhito Noguchi, Mitsuo Yano 1995-01-10
5362736 Isoquinoline derivatives Takashi Hayama, Masaru Nishikibe, Mitsuo Yano 1994-11-08
5352704 Guanidinobenzene derivatives Akira Okuyama, Kyozo Naito, Hidetoshi Ogino, Toshio Nagase, Nobuo Tanaka 1994-10-04
5114918 Endothelin antagonistic cyclic pentapeptides Takehiro Fukami, Takashi Hayama, Kenji Niiyama, Toshio Nagase, Toshiaki Mase +4 more 1992-05-19
4988681 Phosphinic acid derivatives Takehiro Fukami, Hiroshi Naganuma, Kyoko Nakamichi 1991-01-29
4443459 .alpha.-Tocopheryl ester of 5-substituted picolinic acid and hypotensive composition containing it Mitsuo Yano, Junji Yoshizawa, Nobuo Harada, Ikuo Matsumoto 1984-04-17