Patents Assigned to Meiji Seika Kaisha
  • Publication number: 20040087618
    Abstract: An objective of the present invention is to provide an ectoparasite control agent for homothermic animals, which has high control effect and is safe.
    Type: Application
    Filed: October 9, 2003
    Publication date: May 6, 2004
    Applicant: Meiji Seika Kaisha, Ltd.
    Inventors: Kazumi Yamamoto, Kazuhiko Oyama, Masayo Sakai, Ryo Horikoshi
  • Publication number: 20040077602
    Abstract: The present invention relates to a mixture composition for controlling ectoparasites of mammals and birds, comprising as active ingredients a compound of formula (I) or a salt thereof and one or more compounds selected from the group consisting of pyrethroid insecticides. The composition according to the present invention has high control effect against resistant ectoparasites, can quickly act, and is safe.
    Type: Application
    Filed: October 9, 2003
    Publication date: April 22, 2004
    Applicant: Meiji Seika Kaisha, Ltd.
    Inventor: Kazuhiko Oyama
  • Patent number: 6713473
    Abstract: A compound represented by the formula (I) [A represents a 5- to 7-membered hydrocarbon ring group; L represents —NR3—CO—, —CO—NR3— and the like (R3 represents a hydrogen atom, a lower alkyl group, a lower acyl group and the like); M represents an alkylene linking group (a carbon atom constituting the carbon chain may be replaced with a nitrogen atom, an oxygen atom and the like); X represents —S—, —O—, —NR4—, —NR5—CO— and the like (R4 and R5 represent a hydrogen atom, a lower alkyl group and the like) or a single bond; Y represents an alkyl group, an aryl group, an amino group, an aromatic heterocyclic group and the like; R1 represents a lower alkyl group, a lower alkenyl group, a lower alkynyl group or a lower acyl group; and R21, R22 and R23 represent a hydrogen atom, a hydroxyl group, a lower alkyl group and the like] or a salt thereof.
    Type: Grant
    Filed: February 19, 2002
    Date of Patent: March 30, 2004
    Assignee: Meiji Seika Kaisha, Ltd.
    Inventors: Naoyuki Nishikawa, Masaharu Sugai, Kozo Aoki, Makoto Suzuki, Akihiko Ikegawa, Kazunobu Takahashi, Fukuichi Ohsawa, Naomi Masuda, Nobukazu Kakui, Jiro Tanaka, Yuji Tabata, Kenji Asai
  • Patent number: 6680282
    Abstract: A new agricultural and horticultural fungicide having an excellent control effect is provided. 4-Quinolinol derivatives represented by the following formula: or agriculturally and horticulturally acceptable acid addition salts thereof.
    Type: Grant
    Filed: March 21, 2000
    Date of Patent: January 20, 2004
    Assignee: Meiji Seika Kaisha, Ltd.
    Inventors: Kazumi Yamamoto, Takeshi Teraoka, Michiaki Iwata, Keiichi Imamura, Hiroshi Kurihara, Norio Sasaki, Yoshihiro Usui, Nobumitsu Sawai
  • Patent number: 6680313
    Abstract: An objective of the present invention is to provide carbapenem derivatives which have potent antibiotic activity against MRSA, PRSP, Influenzavirus, and &bgr;-lactamase-producing bacteria and are stable against DHP-1. The compounds according to the present invention are compounds represented by formula (I) or pharmaceutically acceptable salts thereof: wherein R1 represents H or methyl; R2 and R3 represent H, a halogen atom, alkyl or the like; and R4 represents substituted lower alkylthio or the like.
    Type: Grant
    Filed: July 25, 2002
    Date of Patent: January 20, 2004
    Assignee: Meiji Seika Kaisha, Ltd.
    Inventors: Yuko Kano, Takahisa Maruyama, Yumiko Sambongi, Kazuhiro Aihara, Kunio Atsumi, Kastuyoshi Iwamatsu, Takashi Ida
  • Patent number: 6677331
    Abstract: Disclosed is a novel carbapenem derivative having a substituted imidazo[5,1-b]thiazole group at the 2-position on the carbapenem ring have high anti microbial activities against &bgr;-lactamase producing bacteria, MRSA, resistant-Pseudomonas aeruginosa, PRSP, enterococci, and influenza, and high stabilities to DHP-1.
    Type: Grant
    Filed: August 14, 2002
    Date of Patent: January 13, 2004
    Assignee: Meiji Seika Kaisha, Ltd.
    Inventors: Yuko Kano, Toshiro Sasaki, Yumiko Sambongi, Kiyoshi Tanabe, Yoshihisa Akiyama, Hideo Kitagawa, Takahisa Maruyama, Hiromasa Takizawa, Takashi Ando, Kazuhiro Aihara, Kunio Atsumi, Katsuyoshi Iwamatsu, Takashi Ida
  • Patent number: 6660718
    Abstract: A compound represented by the following general formula (I) or a salt thereof: wherein R&agr; represents a C1-C10 alkyl group, a C3-C10 alkenyl group, a C7-C15 aralkyl group, a quinolinylalkyl group, a quinolinylalkenyl group, a C2-C10 alkylcarbonyl group, a C7-C15 aralkylcarbonyl group, a C4-C7 cycloalkylcarbonyl group, benzoyl group, an imidazolylcarbonyl group and the like; R1 represents hydrogen atom, a C1-C10 alkyl group, or a C2-C10 alkylcarbonyl group; and R2 represents hydrogen atom, a C1-C10 alkyl group, or a C2-C10 alkylcarbonyl group, provided that the compound wherein R&agr; represents a C2-C10 alkylcarbonyl group and both of R1 and R2 represent a C1-C10 alkyl group is excluded.
    Type: Grant
    Filed: November 30, 2001
    Date of Patent: December 9, 2003
    Assignee: Meiji Seika Kaisha, Ltd.
    Inventors: Ken-ichi Kurihara, Takeshi Furuuchi, Takuji Yoshida, Tomoaki Miura, Keiichi Ajito
  • Patent number: 6653337
    Abstract: As a novel photochemotherapeutical method for the treatment or prevention of an auto-immune disease, there is provided a method for treating an auto-immune disease, which comprises administering to the patient mono-L-aspartyl chlorin e6 or mono-L-glutamyl chlorin e6 or a pharmacologically acceptable salt thereof, followed by subjecting the blood vessel blood of the patient containing the administered compound to exposure with an ultraviolet ray or a laser light, thereby to excite said compound photochemically. This method is effective to decrease the level of auto-antibody in the blood of the patient and is also of high safety.
    Type: Grant
    Filed: January 23, 2002
    Date of Patent: November 25, 2003
    Assignee: Meiji Seika Kaisha, Ltd.
    Inventors: Yukari Kuroiwa, Minako Araake, Hiroshi Suwa, Katsuo Aizawa
  • Patent number: 6610709
    Abstract: This invention relates to (2R,3S,4R,5R)-2-amino-5-methylpiperidine-3,4-diol or a (2S,3S,4R,5R)-2-N-substituted-2-amino-5-methylpiperidine-3,4-diol represented by the general formula (I): wherein R1 and R2 each are a hydrogen atom, or R1 is a hydrogen atom and R2 is a lower alkanoyl group or a lower &ohgr;-trihaloalkanoyl group, or R1 and R2 together denote phthaloyl group, and a pharmaceutically acceptable salt thereof. Said compound can be prepared from a (2S,3S,4R)-5-N-protected-2,3,4-O-tri-protected-5-aminopentane-1,2,3,4-tetraol by multi-steps of reactions.
    Type: Grant
    Filed: August 1, 2001
    Date of Patent: August 26, 2003
    Assignees: Zaidan Hojin Biseibutsu Kagaku Kenkyu Kai, Meiji Seika Kaisha, Ltd.
    Inventors: Yoshio Nishimura, Eiki Shitara, Tomio Takeuchi
  • Patent number: 6593364
    Abstract: A triterpene derivative useful for the treatment of hepatic disorders is disclosed. This compound comprises as an active ingredient a triterpene derivative represented by the following formula (I) or a salt thereof: wherein R1 represents a hydroxyl group, arylmethyloxy, lower alkoxy, or lower alkanoyloxy, R2 represents lower alkyl, lower alkenyl, —CH2OR5, formyl, —COOR6, or —CH2N(R7)R8, or R1 and R2 may combine with each other to form —O—C(R9)R10—O—CH2—, R3 and R4, which may be the same or different represent a hydrogen atom, a hydroxyl group, lower alkyl, lower alkenyl, aryl, hydroxymethyl, —N(R11)R12, formyl, —COOR6, or —OR13, or R3 and R4 may combine with each other to form oxo, hydroxyimino, or alkylidene and X represents O, CH2, or NH.
    Type: Grant
    Filed: August 6, 2001
    Date of Patent: July 15, 2003
    Assignee: Meiji Seika Kaisha, Ltd.
    Inventors: Kazue Sasaki, Nobuto Minowa, Shoji Nishiyama, Hiroyuki Kuzuhara
  • Patent number: 6592353
    Abstract: A device (10) for distributing expandable dough to plural holes (5A) is provided at a terminal end of a rotor (3) in an extruder to form plural expanded confectioneries, each of which has a rod-like configuration. A first member (20) with a through hole (22) at central portion thereof has plural and radial channels (24), and a second member (30) connected to the first member has a multi-faced pyramid-like projection (34) at a central portion of the inner wall therof. The inner wall has channels (36), each radially extending from a base of a face of the projection. The channels in the second member and the other channels in the first member are opposingly arranged in alignment to form diverging flow passages for the expandable dough. The second member has plural bores (32) arranged so as to form a concentric circle, and one each of each bore communicates with one end of the diverging flow passage while the other end is opened to form an expanding portion for the confectionery dough.
    Type: Grant
    Filed: May 15, 2001
    Date of Patent: July 15, 2003
    Assignee: Meiji Seika Kaisha, Ltd.
    Inventors: Shuji Akimoto, Hajime Hamada, Noriyuki Manada
  • Publication number: 20030119787
    Abstract: A compound represented by the following general formula (I) and a pharmacologically acceptable salt thereof: 1
    Type: Application
    Filed: October 7, 2002
    Publication date: June 26, 2003
    Applicant: Meiji Seika Kaisha Ltd.
    Inventors: Kenichi Fushihara, Chika Kikuchi, Tetsuya Matsushima, Kenichi Kanemoto, Eriko Satoh, Takehiro Yamamoto, Kokichi Suzuki
  • Patent number: 6583144
    Abstract: Disclosed are compounds represented by formula (I) and pharmaceutically acceptable salts and solvates thereof. The compounds can inhibit the biosynthesis of triglycerides in the liver and can inhibit the secretion of lipoprotein containing apolipoprotein B from the liver. Therefore, they are useful for the prevention or treatment of hyperlipidemia (particularly hyper-very-low-density-lipoproteinemia) and arteriosclerotic diseases, such as cardiac infarction, or pancreatitis induced by hyperlipidemia.
    Type: Grant
    Filed: April 23, 2002
    Date of Patent: June 24, 2003
    Assignee: Meiji Seika Kaisha, Ltd.
    Inventors: Naoto Ohkura, Takashi Tsuruoka, Takayuki Usui, Yukiko Hiraiwa, Tetsuya Matsushima, Masaharu Shiotani, Tetsutaro Niizato, Yuuko Nakatani, Shigeki Suzuki, Chidsuko Kuroda, Kiyoaki Katano
  • Patent number: 6576627
    Abstract: A compound represented by the following general formula (I) and a pharmacologically acceptable salt thereof: wherein R1 represents hydrogen atom, an alkyl group, a substituted alkyl group and the like; R2 and R3 represent hydrogen atom, an alkyl group, a substituted alkyl group, an alkoxyl group and the like; X represents —CH2—, —O—, or —NH—; A represents the following group (II): [in which R7 and R8 represent hydrogen atom, an alkyl group, an acyl group, an alkoxycarbonyl group and the like; R9 and R10 represents hydrogen atom, a halogen atom, hydroxyl group, phenyl group, an alkyl group and the like] and the like; and E represents hydrogen atom and the like, which has inhibitory activity against carboxypeptidase B and is useful for therapeutic and/or preventive treatment of a thrombotic disease.
    Type: Grant
    Filed: November 13, 2001
    Date of Patent: June 10, 2003
    Assignee: Meiji Seika Kaisha Ltd.
    Inventors: Kenichi Fushihara, Chika Kikuchi, Tetsuya Matsushima, Kenichi Kanemoto, Eriko Satoh, Takehiro Yamamoto, Kokichi Suzuki
  • Patent number: 6566111
    Abstract: A novel &bgr;-fructofuranosidase and its gene are disclosed. A polypeptide comprising the amino acid sequence of SEQ ID No. 1 or No. 3 is an enzyme having &bgr;-fructofuranosidase activity and high transferase activity, and is capable of efficiently producing fructooligosaccharides.
    Type: Grant
    Filed: March 9, 2000
    Date of Patent: May 20, 2003
    Assignee: Meiji Seika Kaisha, Ltd.
    Inventors: Koji Yanai, Akitaka Nakane, Toshiaki Kono
  • Patent number: 6552057
    Abstract: This invention provides a serotonin 5-HT3 receptor partial activator which has a serotonin 5-HT3 receptor activating action, in addition to its serotonin 5-HT3 receptor antagonism, and does not cause constipation as a side effect. Particularly, based on the finding that newly synthesized benzoxazole derivatives typified by the compounds of the following formula (2) have strong serotonin 5-HT3 receptor antagonism and serotonin 5-HT3 receptor activating action, this invention provides these benzoxazole derivatives as serotonin 5-HT3 receptor partial activators.
    Type: Grant
    Filed: March 2, 2001
    Date of Patent: April 22, 2003
    Assignee: Meiji Seika Kaisha, Ltd.
    Inventors: Yasuo Sato, Megumi Yamada, Kazuko Kobayashi, Katsuyoshi Iwamatsu, Fukio Konno, Koichi Shudo
  • Publication number: 20030013730
    Abstract: This invention provides a serotonin 5-HT3 receptor partial activator which has a serotonin 5-HT3 receptor activating action, in addition to its serotonin 5-HT3 receptor antagonism, and does not cause constipation as a side effect.
    Type: Application
    Filed: August 16, 2002
    Publication date: January 16, 2003
    Applicant: MEIJI SEIKA KAISHA, LTD.
    Inventors: Yasuo Sato, Megumi Yamada, Kazuko Kobayashi, Katsuyoshi Iwamatsu, Fukio Konno, Koichi Shudo
  • Patent number: 6498251
    Abstract: Compounds containing tetrahydrobenzindole which bind to serotonin receptor and are useful in treatment or prevention of disease induced by abnormality of central peripheral serotonin controlling functions.
    Type: Grant
    Filed: March 8, 2001
    Date of Patent: December 24, 2002
    Assignee: Meiji Seika Kaisha, Ltd.
    Inventors: Chika Kikuchi, Takashi Ando, Kazuyuki Fuji, Masayo Okuno, Eriko Morita, Masako Imai, Osamu Ushiroda, Masao Koyama, Toyokazu Hiranuma
  • Patent number: 6486149
    Abstract: Processes are provided for the preparation of orally administrable, yellow and powdery compositions essentially consisting of particles composed of a homogeneous mixture of an amorphous Cefditoren pivoxil substance with a water soluble high-molecular additive. These compositions can be produced by dissolving crystalline Cefditoren pivoxil substance and the water-soluble high-molecular additive in an aqueous solution of an acid, then neutralizing the resultant solution, to co-precipitate the product, and drying the thus precipitated product, followed by recovering the product in the form of the above-mentioned particles.
    Type: Grant
    Filed: November 26, 2001
    Date of Patent: November 26, 2002
    Assignee: Meiji Seika Kaisha Ltd.
    Inventors: Masahiro Onodera, Masamichi Sukegawa, Kiyoshi Yasui, Tatsuo Watanabe, Toyomi Sato, Yasushi Murai, Katsuharu Iinuma
  • Patent number: D468638
    Type: Grant
    Filed: December 3, 2001
    Date of Patent: January 14, 2003
    Assignees: Toppan Printing Co., Ltd., Meiji Seika Kaisha Ltd.
    Inventors: Tatsuya Nogami, Hirofumi Nakayama, Masato Takahashi