Patents Assigned to Takeda Chemical
  • Publication number: 20020147150
    Abstract: A sustained-release preparation which comprises a physiologically active peptide of general formula 1
    Type: Application
    Filed: December 26, 2001
    Publication date: October 10, 2002
    Applicant: Takeda Chemical Industries, Ltd.
    Inventors: Shigeru Kamei, Yasutaka Igari, Yasuaki Ogawa
  • Patent number: 6462058
    Abstract: A novel crystal of (R)-2-[[[3-methyl-4-(2, 2,2-trifluoroethoxy)-2-pyridinyl]methyl]sulfinyl]-1H-benzimidazole or a salt thereof of the present invention is useful for an excellent antiulcer agent.
    Type: Grant
    Filed: November 3, 2000
    Date of Patent: October 8, 2002
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Akira Fujishima, Isao Aoki, Keiji Kamiyama
  • Patent number: 6462230
    Abstract: A method of decomposing wastes containing target compounds having one or more of hydrolyzable bonds of ether bond, ester bond, amide bond and isocyanate bond wherein the method comprises continuously supplying the wastes in a molten state or liquid state to a reactor, continuously supplying super-critical water or high pressure/high temperature water to the reactor, bringing the water into contact with the wastes, thereby decomposing the target compounds and then recovering them as raw material compounds or derivatives thereof for the target compounds. Target compounds contained in wastes in chemical plants which could not be utilized but merely incinerated or discarded so far are continuously decomposed into raw material compounds or derivatives thereof for the aimed compound and can be reutilized effectively.
    Type: Grant
    Filed: August 4, 2000
    Date of Patent: October 8, 2002
    Assignees: Kabushiki Kaisha Kobe Seiko Sho, Takeda Chemical Industries, Ltd.
    Inventors: Yoshiyuki Nagase, Ryuichi Fukuzato
  • Publication number: 20020137771
    Abstract: The pharmaceutical composition of the invention, which comprises a benzimidazole compound of the formula 1
    Type: Application
    Filed: February 19, 2002
    Publication date: September 26, 2002
    Applicant: TAKEDA CHEMICAL INDUSTRIES, LTD.
    Inventors: Tadashi Makino, Tetsuro Tabata, Shin-Ichiro Hirai
  • Patent number: 6440946
    Abstract: The present invention is to provide a multiple-agents-binding compound comprising a compound having anti-HIV activity and having no affinity for cell surface protein bound together with a same or different kind of at least one compound having anti-HIV activity and having no affinity for cell surface protein, or a salt thereof, and a pharmaceutical composition for the prevention or treatment of infectious diseases of HIV or AIDS comprising said multiple-agents-binding compound.
    Type: Grant
    Filed: August 9, 1999
    Date of Patent: August 27, 2002
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Yoshiaki Kiso, Masahiko Fujino
  • Patent number: 6437132
    Abstract: The present invention provides an intermediate for producing a thienopyridine derivative useful as a GnRH antagonist as well as an efficient and safe method for producing the same in an industrial scale at a high yield.
    Type: Grant
    Filed: July 18, 2001
    Date of Patent: August 20, 2002
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Shokyo Miki, Koichiro Fukuoka
  • Patent number: 6436966
    Abstract: A pharmaceutical composition for antagonizing adenosine at adenosine A3 receptors which comprises a 1,3-azole compound substituted on the 4- or 5-position, or both, by a pyridyl which may be substituted is provided and can be used as a prophylactic and therapeutic agent for asthma, allergosis, inflammation, and so on.
    Type: Grant
    Filed: January 27, 2000
    Date of Patent: August 20, 2002
    Assignee: Takeda Chemical Ind., Ltd.
    Inventors: Shigenori Ohkawa, Hiroyuki Kimura, Naoyuki Kanzaki
  • Patent number: 6432996
    Abstract: To provide a pharmaceutical composition which performs a remarkable effect with a relatively decreased dosage, and, with less side effects, a pharmaceutical composition formulated by combination of an angiotensin II-mediated compound or a salt thereof with at least one species of a compound having the activity of increasing insulin-sensitivity, a compound having the activity of improving postprandial hyperglycemia in diabetes mellitus, an indane derivative having the activity of inhibiting angiotensin converting enzyme, a pyridine derivative having the activity of inhibiting HMG-Co A reductase or salts thereof are advantageously employed.
    Type: Grant
    Filed: April 18, 2000
    Date of Patent: August 13, 2002
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Norikazu Tamura, Takashi Sohda, Hitoshi Ikeda
  • Patent number: 6429296
    Abstract: The present invention provides a complex of human growth hormone and zinc containing human growth hormone and zinc at a molar ratio of about 1:1.6 to about 1:2.4, and a sustained-release preparation which comprises the complex of human growth hormone and zinc and a biodegradable polymer and which has a high entrapment ratio of human growth hormone and exhibits a stable sustained-release suppressing the initial burst.
    Type: Grant
    Filed: January 23, 2001
    Date of Patent: August 6, 2002
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Yutaka Yamagata, Masafumi Misaki, Susumu Iwasa
  • Patent number: 6428813
    Abstract: In order to provide a composition having a long gastroduodenal residence time and exhibiting an improved efficacy, is provided a gastrointestinal mucosa-adherent composition comprising an active ingredient and a material which swells a viscogenic agent capable of being viscous with water a (e.g. curdlan and/or a low-substituted hydroxypropylcellulose etc.).
    Type: Grant
    Filed: September 10, 1999
    Date of Patent: August 6, 2002
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Yohko Akiyama, Naoki Nagahara, Megumi Kitano, Masafumi Nakao
  • Publication number: 20020103210
    Abstract: A compound of the formula: 1
    Type: Application
    Filed: January 11, 2002
    Publication date: August 1, 2002
    Applicant: TAKEDA CHEMICAL INDUSTRIES, LTD.
    Inventors: Shuichi Furuya, Toshihiro Imaeda, Satoshi Sasaki
  • Patent number: 6423869
    Abstract: A compound of the formula (I): wherein R1 represents an amino group which may be substituted; R2 represents a carboxy group which may be esterified or amidated; R3, R4, R5 and R6 each represent a hydroxy group which may be protected; Q represents an aryl group which may be substituted; or a salt thereof is disclosed. The compound (I) possesses ant-Helicobacter pylori activity, and is useful in the prevention or treatment of various diseases associated with Helicobacter bacteria, such as duodenal ulcer, gastric ulcer, chronic gastritis and cancer of the stomach.
    Type: Grant
    Filed: November 1, 1999
    Date of Patent: July 23, 2002
    Assignee: Takeda Chemical Industries, Inc.
    Inventors: Ken-ichiro Miyagawa, Shigetoshi Tsubotani, Masafumi Nakao, Yoshitaka Nakano, Keiji Kamiyama, Motoo Izawa, Yohko Akiyama, Yuji Nishikimi
  • Patent number: 6420405
    Abstract: This invention relates to a pharmaceutical composition for angiotensin II-mediated diseases, which comprises a compound having angiotensin II antagonistic activity of the formula wherein R1 is H or an optionally substituted hydrocarbon residue; R2 is an optionally esterified carboxyl group; R3 is a group capable of forming an anion or a group convertible thereinto; X is a covalent bond between the 2 phenyl rings or a spacer having a chain length of 1 to 2 atoms as the linear moiety between the adjoining phenylene group and phenyl group; n is 1 or 2; the ring A is a benzene ring having 1 or 2 optional substituents in addition to R2; and Y is a bond, —O—, —S(O)m- (wherein m is 0, 1 or 2) or —N(R4)— (wherein R4 is H or an optionally substituted alkyl group), or a pharmaceutically acceptable salt thereof in combination with a compound having diuretic activity or a compound having calcium antagonistic activity.
    Type: Grant
    Filed: February 15, 2001
    Date of Patent: July 16, 2002
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Yoshiyuki Inada, Keiji Kubo
  • Patent number: 6419961
    Abstract: A method of production of sustained-release microcapsules that comprises obtaining microcapsules comprising a bioactive substance that are encapsulated with a biodegradable polymer, and thermally drying the obtained microcapsules at a temperature not lower than the glass transition temperature of the biodegradable polymer for about 24 to about 120 hours to produce the sustained-release microcapsules comprising, relative to the weight of the sustaind-release microcapsule, not less than 60% (w/w) of the biodegradable polymer, possessing pharmaceutical characteristics clinically excellent in that a bioactive substance is released at constant rate over a very long period of time from just after administration with dramatically suppressed initial release of the bioactive substance in excess just after administration and with minimum remaining organic solvent.
    Type: Grant
    Filed: February 28, 2000
    Date of Patent: July 16, 2002
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Yasutaka Igari, Shigeyuki Takada, Hiroshi Kosakai
  • Patent number: 6420415
    Abstract: Compounds represented by general formula (1) or salts thereof which have a matrix metalloprotease inhibitory activity and are useful as drugs, wherein the rings A and B represent each an optionally substituted homocycle or heterocycle, etc.; R1s are the same or different and each represents hydrogen, optionally substituted hydrocarbyl, acyl, etc.; X1 represents a bond, optionally substituted divalent aliphatic hydrocarbyl, etc.; X2 represents a bond, optionally substituted divalent aliphatic hydrocarbyl, —O—, etc.; Ys are the same or different represents hydrogen, optionally substituted hydrocarbyl, oxo, etc.; m is 0 or 1; n is an integer of 1 to 3; q1 is an integer of 1 to 2n+4; and q2 is an integer of 0 to 2n+3, provided that q1+q2 is 2n+4.
    Type: Grant
    Filed: March 20, 2001
    Date of Patent: July 16, 2002
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Toshiro Yamashita, Hiroshi Nara, Masayuki Takizawa, Koji Yoshimura
  • Patent number: 6420375
    Abstract: To provide a novel compound of the formula: [wherein A1 ix a 5 or 6-membered ring which may be substituted by a group not containing a cyclic group, A2 is an aromatic ring which may be substituted, X is a divalent group, Y is a nitrogen atom or a methine group, Z is an ethenylene which may be substituted or ethynylene, R is a heterocyclic group which may be substituted, provided that 3,4-dihydro-6-[3-(1H-imidazol-1-yl)-1-propenyl]-2(1H)-quinolone and 2-[3-[5-ethyl-6-methyl-2-(benzyloxy)-3-pyridyl]-1-propenyl]benzoxazole are excluded.], or a salt thereof which has steroid C17,20-lyase inhibitory activity, and is useful for preventing and treating mammals suffering from, for example, primary cancer of malignant tumor, its metastasis and recurrence thereof.
    Type: Grant
    Filed: August 18, 1999
    Date of Patent: July 16, 2002
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Tetsuya Aono, Fumio Itoh, Tomohiro Kaku, Masuo Yamaoka
  • Patent number: 6417213
    Abstract: A compound of the formula wherein R1 is H or a substituent; m is 1-3; Ar is an aromatic group which may be substituted; X is a bond or a divalent straight-chain group having 1-6 atoms which may be substituted; Y is —S—, —O—, or —N(R2)— (R2 is H or a substituent group), Z is —N═ or —C(R3)═ (R3 is H or a hydrocarbon group), ring A is a benzene ring; ring B is a 5- to 7-membered ring which may be substituted, or a salt thereof is useful for eliciting a prostaglandin I2 receptor agonistic effect.
    Type: Grant
    Filed: March 7, 2001
    Date of Patent: July 9, 2002
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Shigenori Ohkawa, Masaki Setoh, Zen-ichi Terashita
  • Patent number: 6417175
    Abstract: A novel cephem compound of the formula: wherein R1 is a phosphono group or a group convertible to a phosphono group; R2 is a hydrogen atom or a group having a linkage through a carbon atom; each of Q and X is a nitrogen atom or CH; Y is S, O or CH2; n is 0 or 1; one of R3 and R4 is a pyridinium group which may be substituted and the other is a hydrogen atom or hydrocarbon group which may be substituted, or R3 and R4 taken together may form a quaternalized nitrogen-containing heterocyclic ring which may be substituted, or its ester or its salt, which has a superior anti-bacterial activity, stability, absorbability, etc., a production thereof and a pharmaceutical composition containing it, is provided.
    Type: Grant
    Filed: June 6, 2000
    Date of Patent: July 9, 2002
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Tomoyasu Ishikawa, Shohei Hashiguchi, Yuji Iizawa
  • Patent number: 6414003
    Abstract: An anti-Helicobacter pylori agent comprising a compound represented by the formula: wherein A represents an aromatic ring group which may be substituted; R1 and R2, whether identical or not, each represent a hydrogen atom or a hydrocarbon group which may be substituted; R3 and R4, whether identical or not, each represent a hydrogen atom, a hydrocarbon group which may be substituted, an acyl group, a carbamoyl group which may be substituted, or a carboxyl group which may be esterified; or a salt thereof.
    Type: Grant
    Filed: November 9, 2000
    Date of Patent: July 2, 2002
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Tsuneo Kanamaru, Masafumi Nakao, Hiroyuki Tawada, Keiji Kamiyama
  • Patent number: 6413972
    Abstract: A compound of the formula: wherein one of A and D is N and the other is C, or both are N; B is N or C; m is 0-3; R1, R2 and R3 each is (i) H or (ii) a group bound via C, N, O or S; R4 is a group bound via C; R5 is H or a group bound via C or O; R6 is H or a group bound via C; R7 is a homo- or hetero-cyclic group which may be substituted; or a salt thereof possesses excellent gonadotropin-releasing hormone antagonizing activity, and is useful as a prophylactic or therapeutic agent for sex hormone-dependent diseases, and so forth.
    Type: Grant
    Filed: November 14, 2000
    Date of Patent: July 2, 2002
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Shuichi Furuya, Toshihiro Imaeda, Satoshi Sasaki