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Yasuhiro Funahashi, Akihiko Tsuruoka, Masayuki Matsukura, Toru Haneda, Yoshio Fukuda, Junichi Kamata, Keiko Takahashi, Tomohiro Matsushima, Kazuki Miyazaki, Ken ichi Nomoto, Tatsuo Watanabe, Hiroshi Obaishi, Atsumi Yamaguchi, Sachi Suzuki, Katsuji Nakamura, Fusayo Mimura, Yuji Yamamoto, Junji Matsui, Kenji Matsui, Takako Yoshiba, Yasuyuki Suzuki, Itaru Arimoto: Nitrogen-containing aromatic derivatives. Eisai, Andrea L C Robidoux, Choate Hall & Stewart, August 7, 2007: US07253286 (78 worldwide citation)

Compounds represented by the following general formula: [wherein Ag is an optionally substituted 5- to 14-membered heterocyclic group, etc.; Xg is —O—, —S—, etc.; Yg is an optionally substituted C6-14 aryl group, an optionally substituted 5- to 14-membered heterocyclic group, etc.; and Tg1 is a grou ...


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Toru Haneda, Akihiko Tsuruoka, Junichi Kamata, Tadashi Okabe, Keiko Takahashi, Kazumasa Nara, Shinichi Hamaoka, Norihiro Ueda, Toshiaki Wakabayashi, Yasuhiro Funahashi, Taro Semba, Naoko Hata, Yuji Yamamoto, Yoichi Ozawa, Naoko Tsukahara, Takashi Owa: Sulfonamide-containing heterocyclic compounds. Eisai, Birch Stewart Kolasch & Birch, September 7, 2004: US06787534 (32 worldwide citation)

The present invention provides a sulfonamide- or sulfonylurea-containing heterocyclic compounds. Specifically, it provides a heterocyclic compound represented by the formula (I), a pharmacologically acceptable salt thereof or a hydrate of them.


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Yasuhiro Funahashi, Akihiko Tsuruoka, Masayuki Matsukura, Toru Haneda, Yoshio Fukuda, Junichi Kamata, Keiko Takahashi, Tomohiro Matsushima, Kazuki Miyazaki, Ken ichi Nomoto, Tatsuo Watanabe, Hiroshi Obaishi, Atsumi Yamaguchi, Sachi Suzuki, Katsuji Nakamura, Fusayo Mimura, Yuji Yamamoto, Junji Matsui: Nitrogen-containing aromatic derivatives. Eisai R & D Management, Andrea L C Robidoux, Choate Hall & Stewart, November 3, 2009: US07612092 (25 worldwide citation)

Compounds represented by the following general formula: [wherein Ag is an optionally substituted 5- to 14-membered heterocyclic group, etc.; Xg is —O—, —S—, etc.; Yg is an optionally substituted C6-14 aryl group, an optionally substituted 5- to 14-membered heterocyclic group, etc.; and Tg1 is a grou ...


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Tomohiro Matsushima, Keiko Takahashi, Setsuo Funasaka, Shuji Shirotori: Pyridine derivatives and pyrimidine derivatives (3). Eisai R&D Management, Birch Stewart Kolasch & Birch, December 21, 2010: US07855290 (18 worldwide citation)

A compound represented by the following formula, a salt thereof or a hydrate of the foregoing has an excellent hepatocyte growth factor receptor (HGFR) inhibitory activity, and exhibits anti-tumor activity, angiogenesis inhibitory activity and cancer metastasis inhibitory activity. [R1 represents a ...


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Youichi Yamada, Keiko Takahashi: Speech recognition system which avoids ambiguity when matching frequency spectra by employing an additional verbal feature. Oki Electric, Spencer & Frank, November 21, 1989: US04882755 (16 worldwide citation)

In a speech recognition system using normalized spectrum matching, a second feature pattern is calculated and compared with reference patterns. The similarity obtained as a result of the comparison is used to determine overall similarity, from which the recognition is made. The second feature patter ...


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Youichi Yamada, Keiko Takahashi: Speech recognition system wherein the consonantal characteristics of input utterances are extracted. Oki Electric, Spencer & Frank, August 8, 1989: US04856067 (16 worldwide citation)

In a speech-recognition system in which time-series patterns of characteristic quantities are extracted from an input utterance within a voiced interval, the localpeak patterns, which are the results obtained by stably extracting the characteristics of the steady vowel portions, and the consonantal ...


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Tomohiro Matsushima, Keiko Takahashi, Setsuo Funasaka, Hiroshi Obaishi, Shuji Shirotori: Pyridine derivatives and pyrimidine derivatives (3). Eisai R&D Management, Birch Stewart Kolasch & Birch, October 16, 2012: US08288538 (15 worldwide citation)

A compound represented by the following formula, or a salt thereof or a hydrate of the foregoing, has excellent hepatocyte growth factor receptor (HGFR) inhibitory activity, and exhibits anti-tumor activity, angiogenesis inhibitory activity, and cancer metastasis inhibitory activity. R1 represents a ...