Patents by Inventor Kenji Ohmori
Kenji Ohmori has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20020128290Abstract: An oxygen-containing heterocyclic compound represented by following Formula (I): 1Type: ApplicationFiled: November 19, 1997Publication date: September 12, 2002Inventors: ETSUO OHSHIMA, TAKASHI KAWAKITA, KOJI YANAGAWA, KYOICHIRO IIDA, RIE KOIKE, YOSHISUKE NAKASATO, TOHRU MATSUZAKI, KENJI OHMORI, SOICHIRO SATO, HIDEE ISHII, HARUHIKO MANABE, MICHIO ICHIMURA, FUMIO SUZUKI
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Publication number: 20020084440Abstract: The objects of the present invention are to provide a highly weather-resistant iron-based magnet powder containing a rare-earth element, characterized by high coercive force in a practically important humid atmosphere, resin composition containing the same powder for bonded magnets, and bonded and compacted magnets containing the same powder. The present invention provides the above-described products by optimizing the functions and types of the phosphate coating film, uniformly formed over the surfaces of the iron-based magnet powder particles containing a rare-earth element.Type: ApplicationFiled: September 27, 2001Publication date: July 4, 2002Applicant: SUMITOMO METAL MINING CO., LTD.Inventors: Kenji Ohmori, Toshiyuki Osako, Kayo Hashiguchi, Kouichi Yokosawa
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Publication number: 20020066499Abstract: The objects of the present invention are to provide a method of producing highly weather-resistant iron-based magnet powder containing a rare-earth element, particularly characterized by high coercive force in a practically important humid atmosphere, highly weather-resistant magnet powder produced by the same method, resin composition containing the same powder for bonded magnets, and bonded magnet containing the same powder. The present invention provides a method of producing a magnet powder by crushing an iron-based magnet powder containing a rare-earth element in an organic solvent, wherein phosphoric acid is added to the solvent in which the powder is crushed.Type: ApplicationFiled: September 19, 2001Publication date: June 6, 2002Applicant: Sumitomo Metal Mining Co., Ltd.Inventors: Kenji Ohmori, Toshiyuki Osako, Kayo Hashiguchi, Kouichi Yokosawa
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Publication number: 20010020233Abstract: A host apparatus of a financial auction system is disposed in a site that is accessible from user terminal apparatuses through the transmission line of a network. The host apparatus has a borrowing agent serving as the window for a potential borrower, a lending agent serving as the window for a potential lender, a screening section for extracting a potential lending offer matching a predetermined condition, a matchmaking section for selecting a successful bid from potential lending offers, and an information collection section for collecting background information of a potential borrowing request. A database is attached to the host apparatus, where a borrowing request file, lending offer file, and background information file are formed.Type: ApplicationFiled: February 2, 2001Publication date: September 6, 2001Inventors: Hiroshi Shirakawa, Takeichiro Nishikawa, Naoshi Uchihira, Kenji Ohmori, Makoto Miyoshi, Satoru Endo, Yoshikuni Matsumura
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Patent number: 5590661Abstract: A blood pressure measuring apparatus including a surface-pressure sensor having a pressure sensing element in a press surface thereof to detect a pressure at the press surface pressed on subject's body surface and generate a pressure signal representing the detected surface pressure, the pressure signal containing successive pulses representing a pressure pulse wave produced from subject's artery, a pressing device which presses the sensor against the artery via the body surface, a control device which changes the pressing force of the pressing device applied to the sensor, to partially flatten the artery, and obtains the successive pulses of the pressure signal during the changing of the pressing force, a first determining device for determining, in a two-dimensional orthogonal coordinate system, a first straight line approximating a level portion of (a) an upper-peak curve connecting respective upper-peak magnitudes of the successive pulses of the pressure signal and/or (b) a lower-peak curve connecting resType: GrantFiled: July 29, 1994Date of Patent: January 7, 1997Assignee: Colin CorporationInventors: Kenji Ohmori, Kiyoyuki Narimatsu, Ikuo Kobayashi
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Patent number: 5536730Abstract: Disclosed are imidazonaphthyridine derivatives represented by formula (I) ##STR1## wherein: R.sup.1 represents lower alkyl or substituted or unsubstituted aryl; andX-Y-Z represents ##STR2## wherein R.sup.2 represents hydrogen, lower alkyl, alkenyl, aralkenyl, or --C(R.sup.5)H--(CH.sub.2).sub.n --R.sup.4 (wherein R.sup.4 represents substituted or unsubstituted aryl, substituted or unsubstituted pyridyl, substituted or unsubstituted furyl, hydroxy-substituted lower alkyl, lower alkanoyloxy, morpholino, lower alkanoyl, carboxy, lower alkoxycarbonyl, cycloalkyl, hydroxy, lower alkoxy, halogen or NR.sup.6 R.sup.7 wherein R.sup.6 and R.sup.7 independently represents hydrogen, or lower alkyl; R.sup.5 represents hydrogen, lower alkyl, or phenyl; and n represents an integer of 0 to 3); and R.sup.3 represents hydrogen, mercapto, hydroxy, lower alkyl, or aryl and pharmaceutically acceptable salts thereof.The compounds show a potent anti-inflammatory, anti-allergic and broncho-dilative activity.Type: GrantFiled: September 11, 1995Date of Patent: July 16, 1996Assignee: Kyowa Hakko Kogyo Co. Ltd.Inventors: Fumio Suzuki, Takeshi Kuroda, Shigeto Kitamura, Kenji Ohmori
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Patent number: 5527908Abstract: Pyrazolothiazolopyrimidine derivatives represented by the Formula ##STR1## and pharmaceutically acceptable salts thereof are useful as anti-inflammatory, analgesic, immunomodulatory and anti-ulcer agents.Type: GrantFiled: August 5, 1993Date of Patent: June 18, 1996Assignee: Kyowa Hakko Kogyo Co., Ltd.Inventors: Fumio Suzuki, Yoshisuke Nakasato, Kenji Ohmori, Tadafumi Tamura, Soichiro Sato, Hiroshi Tanaka
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Patent number: 5468756Abstract: Disclosed are imidazonaphthyridine derivatives represented by formula (I) ##STR1## wherein: R.sup.1 represents lower alkyl or substituted or unsubstituted aryl; andX--Y--Z represents ##STR2## wherein R.sup.2 represents hydrogen, lower alkyl, alkenyl, aralkenyl, or --C (R.sup.5)H--(CH.sub.2).sub.n --R.sup.4 (wherein R.sup.4 represents substituted or unsubstituted aryl, substituted or unsubstituted pyridyl, substituted or unsubstituted furyl, hydroxy-substituted lower alkyl, lower alkanoyloxy, morpholino, lower alkanoyl, carboxy, lower alkoxycarbonyl, cycloalkyl, hydroxy, lower alkoxy, halogen or NR.sup.6 R.sup.7 wherein R.sup.6 and R.sup.7 independently represents hydrogen or lower alkyl; R.sup.5 represents hydrogen, lower alkyl, or phenyl; and n represents an integer of 0 to 3); and R.sup.3 represents hydrogen, mercapto, hydroxy, lower alkyl, or aryland pharmaceutically acceptable salts thereof.The compounds show a potent anti-inflammatory, anti-allergic and broncho-dilative activity.Type: GrantFiled: May 12, 1994Date of Patent: November 21, 1995Assignee: Kyowa Hakko Kogyo Co., Ltd.Inventors: Fumio Suzuki, Takeshi Kuroda, Shigeto Kitamura, Kenji Ohmori
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Patent number: 5371225Abstract: The present invention relates to novel tetracyclic compounds represented by formula (I) ##STR1## (wherein each of X.sup.1 and X.sup.2 independently represents hydrogen or lower alkyl; n represents an integer of 1 to 4), or a pharmaceutically acceptable salt thereof, which are useful as immunosuppressive agents.Type: GrantFiled: December 22, 1993Date of Patent: December 6, 1994Assignee: Kyowa Hakko Kogyo Co., Ltd.Inventors: Fumio Suzuki, Yoshisuke Nakasato, Hiroshi Tsumuki, Kenji Ohmori, Hiroshi Nakajima, Tadafumi Tamura, Soichiro Sato
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Patent number: 5364859Abstract: Disclosed are imidazonaphthyridine derivatives represented by formula (I) ##STR1## wherein: R.sup.1 represents lower alkyl or substituted or unsubstituted aryl; andX-Y-Z represents ##STR2## wherein R.sup.2 represents hydrogen, lower alkyl, alkenyl, aralkenyl, or --C (R.sup.5) H--(CH.sub.2).sub.n --R.sup.4 (wherein R.sup.4 represents substituted or unsubstituted aryl, substituted or unsubstituted pyridyl, substituted or unsubstituted furyl, hydroxy-substituted lower alkyl, lower alkanoyloxy, morpholino, lower alkanoyl, carboxy, lower alkoxycarbonyl, cycloalkyl, hydroxy, lower alkoxy, halogen or NR.sup.6 R.sup.7 wherein R.sup.6 and R.sup.7 independently represents hydrogen or lower alkyl; R.sup.5 represents hydrogen, lower alkyl, or phenyl; and n represents an integer of 0 to 3); and R.sup.3 represents hydrogen, mercapto, hydroxy, lower alkyl, or aryl and pharmaceutically acceptable sails thereof.The compounds show a potent anti-inflammatory, anti-allergic and broncho-dilative activity.Type: GrantFiled: December 29, 1992Date of Patent: November 15, 1994Assignee: Kyowa Hakko Kogyo Co., Ltd.Inventors: Fumio Suzuki, Takeshi Kuroda, Shigeto Kitamura, Kenji Ohmori
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Patent number: 5302602Abstract: Novel tricyclic compounds having a TXA.sub.2 antagonizing activity represented by formula (I): ##STR1## possess a potent antagonizing against thromboxane A.sub.2 and also an antiallergic and/or antihistaminic activity, and are expected to have preventive and therapeutic effects on ischemic diseases, cerebro-vascular diseases, etc.Type: GrantFiled: May 18, 1992Date of Patent: April 12, 1994Assignee: Kyowa Hakko Kogyo Co., Ltd.Inventors: Etsuo Oshima, Hiroyuki Obase, Akira Karasawa, Kazuhiro Kubo, Ichiro Miki, Akio Ishii, Hidee Ishii, Kenji Ohmori
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Patent number: 5281610Abstract: Disclosed is a pyrazolonaphthyridine compound represented by the formula: ##STR1## wherein R.sup.1 is represents hydrogen, lower alkyl, aralkyl, or substituted or unsubstituted aryl, R.sup.2 represents hydrogen, lower alkyl, thienyl, substituted or unsubsutituted aryl, hydroxy or amino, or a pharmaceutically acceptable salt thereof.The compound possesses antiinflammatory effect, immunosuppressive effect, broncho-dilatory effect and hair growth-stimulative effect.Type: GrantFiled: December 18, 1992Date of Patent: January 25, 1994Assignee: Kyowa Hakko Kogyo Co., Ltd.Inventors: Fumio Suzuki, Takashi Kawakita, Takeshi Kuroda, Kenji Ohmori, Hiroshi Nakajima, Toshikazu Kamiya, Tatsuya Tamaoki
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Patent number: 5270316Abstract: There are disclosed condensed purine derivatives represented by formula; ##STR1## in which R.sup.3 represents hydrogen, lower alkyl or benzyl; each of X.sup.1 and X.sup.2 independently represents hydrogen, lower alkyl, aralkyl or phenyl; and n is an integer of 0 or 1; R.sup.1 represents hydrogen, lower alkyl, alicyclic alkyl, noradamantan-3-yl, dicyclopropylmethyl or styryl; and R.sup.2 represents hydrogen, lower alkyl or alicyclic alkyl; or a pharmaceutically acceptable salt thereof. The derivatives and pharmaceutically acceptable salts are useful as diuretics, renal protecting agents, antiallergic agents and hypotensives.Type: GrantFiled: October 19, 1990Date of Patent: December 14, 1993Assignee: Kyowa Hakko Kogyo Co., Ltd.Inventors: Fumio Suzuki, Junichi Shimada, Takeshi Kuroda, Kazuhiro Kubo, Akira Karasawa, Tetsuji Ohno, Kenji Ohmori
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Patent number: 5219864Abstract: Disclosed is a thienopyridine derivative represented by formula (I): ##STR1## wherein one of A and B represents --S-- and the other represents --CH.dbd.; R represents hydrogen or lower alkyl, and Z represents pyridyl; or a pharmaceutically acceptable salt thereof.The thienopyridine derivative is useful as an immunoregulator and for the prevention and treatment of osteoporosis.Type: GrantFiled: March 4, 1992Date of Patent: June 15, 1993Assignee: Kyowa Hakko Kogyo Co., Ltd.Inventors: Fumio Suzuki, Yoshikazu Miwa, Hiroaki Hayashi, Takeshi Kuroda, Kenji Ohmori, Hiroshi Nakajima
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Patent number: 5192769Abstract: Disclosed is a pyrazolonaphthyridine compound represented by the formula: ##STR1## wherein R.sup.1 is represents hydrogen, lower alkyl, aralkyl, or substituted or unsubstituted aryl, R.sup.2 represents hydrogen, lower alkyl, thienyl, substituted or unsubstituted aryl, hydroxy or amino, or a pharmaceutically acceptable salt thereof.The compound possesses antiinflammatory effect, immunosuppressive effect, broncho-dilatory effect and hair growth-stimulative effect.Type: GrantFiled: July 30, 1992Date of Patent: March 9, 1993Assignee: Kyowa Hakko Kogyo Co., Ltd.Inventors: Fumio Suzuki, Takashi Kawakita, Takeshi Kuroda, Kenji Ohmori, Hiroshi Nakajima, Toshikazu Kamiya, Tatsuya Tamaoki
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Patent number: 5192768Abstract: A pyrazoloquinoline derivative having the formula (I): ##STR1## wherein R.sup.1, R.sup.2, and R.sup.3 independently represent a hydrogen atom or a lower alkyl group; R.sup.4 represents a hydrogen atom, a lower alkyl group, a halogen-substituted lower alkyl group, or a lower alkoxycarbonyl group; the dotted line means that the pyrazole ring has two conjugated double bonds; and R.sup.4 is bonded to the nitrogen atom at the 1-position or 2-position, or pharmacologically acceptable salts thereof. These compounds exhibit excellent anti-inflammatory activity and hepatic insufficiency treating activity.Type: GrantFiled: September 12, 1991Date of Patent: March 9, 1993Assignee: Kyowa Hakko Kogyo Co., Ltd.Inventors: Fumio Suzuki, Yoshisuke Nakasato, Kenji Ohmori, Tadafumi Tamura, Hisashi Hosoe, Kazuhiro Kubo, Ikufumi Yoshitake
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Patent number: 5173492Abstract: There are disclosed s-triazolo[3,4-i]purine derivatives represented by formula: ##STR1## wherein Y-Z represents ##STR2## R.sub.4 represents hydrogen, alkyl, substituted or unsubstituted aromatic heterocyclic group or substituted or unsubstituted aryl; and X.sup.2 represents oxygen, sulfur or NH; each of R.sup.1 and R.sup.2 independently represents hydrogen, alkyl, cycloalkyl, aralkyl or substituted or unsubstituted aryl; R.sup.3 represents alkyl, cycloalkyl, aralkyl or substituted or unsubstituted aryl; X.sup.1 represents oxygen or sulfur; and represents a single bond or a double bond or pharmaceutically acceptable salts thereof.Type: GrantFiled: August 23, 1991Date of Patent: December 22, 1992Assignee: Kyowa Hakko Kogyo Co., Ltd.Inventors: Fumio Suzuki, Junichi Shimada, Kenji Ohmori, Haruhiko Manabe, Kazuihiro Kubo, Akira Karasawa, Tetsuji Ohno, Shizuo Shiozaki, Akio Ishii, Katsuichi Shuto
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Patent number: 5143922Abstract: Novel tricyclic compounds having a TXA.sub.2 antagonizing activity represented by formula (I): ##STR1## possess a potent antagonizing action against thromboxane A.sub.2 and also an antiallergic and/or antihistaminic acitvity, and are expected to have preventive and therapeutic effects on ischemic diseases, cerebro-vascular diseases, etc.Type: GrantFiled: November 20, 1990Date of Patent: September 1, 1992Assignee: Kyowa Hakko Kogyo Co., Ltd.Inventors: Etsuo Oshima, Hiroyuki Obase, Akira Karasawa, Kazuhiro Kubo, Ichiro Miki, Akio Ishii, Hidee Ishii, Kenji Ohmori
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Patent number: 5128369Abstract: Disclosed is a novel arylalkylamine derivative represented by the formula (I) ##STR1## wherein X represents --O--, --CH.sub.2 -- or --NR.sup.3 -- in which R.sup.3 represents hydrogen or lower alkyl;Y represents --NH-- or ##STR2## Z represents ##STR3## in which R.sup.4 represents hydrogen or lower alkyl or ##STR4## Q represents an optionally substituted aryl or optionally substituted aromatic heterocyclic group; each of R.sup.1 and R.sup.2 independently represents hydrogen or lower alkyl;each of m and n independently represents an integer of 0 or 1; anda pharmaceutically acceptable salt thereof. The compound (I) and a pharmaceutically acceptable salt thereof show bronchodilatory and antiallergic activities, and are useful for treating respiratory disorders such as bronchial asthma.Type: GrantFiled: August 7, 1991Date of Patent: July 7, 1992Assignee: Kyowa Hakko Kogyo Co., Ltd.Inventors: Masatoshi Yamato, Kuniko Hashigaki, Haruhiko Manabe, Kenji Ohmori
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Patent number: 5126341Abstract: Disclosed are naphthyridine derivatives represented by formula (I) ##STR1## wherein: X represents hydrogen; lower alkyl; aralkyl; substituted or unsubstituted aryl; substituted or unsubstituted aromatic heterocyclic group; --NR.sup.1 R.sup.2 wherein R.sup.1 and R.sup.2 independently represent hydrogen or lower alkyl; ##STR2## wherein W represents N or CH, Z represents a single bond, oxygen or NR.sup.3 (wherein R.sup.3 represents hydrogen, lower alkyl or benzyl) and n1 and n2 represent an integer of 1 to 3; or substituted or unsubstituted thiazolinyl; andY is a single bond or alkylene and pharmaceutically acceptable salts thereof. The compounds show potent anti-inflammatory activity and are expected to be useful in treating rheumarthritis.Type: GrantFiled: April 12, 1991Date of Patent: June 30, 1992Assignee: Kyowa Hakko Kogyo Co., Ltd.Inventors: Fumio Suzuki, Takeshi Kuroda, Kenji Ohmori, Tadafumi Tamura, Hisashi Hosoe