Patents by Inventor Katsuhiro Kawakami
Katsuhiro Kawakami 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: 20220386597Abstract: Disclosed is a sanitary ware having not only a practical antivirus property but also a property which allows a pollution to be difficultly attached to, and to be easily removed from the sanitary ware. A sanitary ware comprising a pottery substrate and a glaze layer formed on a surface of the pottery substrate, wherein the glaze layer contains a metal element as an antivirus agent, and the metal element is present in a state of a spinodal phase separation in at least a surface region of the glaze layer, has a practical antivirus property as well as a property which allows a pollution to be difficultly attached to, and to be easily removed from, the sanitary ware.Type: ApplicationFiled: May 31, 2022Publication date: December 8, 2022Inventors: Tomoki KOBAYASHI, Katsuhiro KAWAKAMI, Aki IWASAWA, Hideaki YAMAGUCHI, Kyoko UEKI, Hiromasa TOKUDOME, Takuma KAWASAKI
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Patent number: 9242891Abstract: Disclosed are sanitary wares such as toilet bowls or wash bowls that have a glaze layer which can conceal the body of the sanitary wares satisfactorily without the need to use any opacifier and which is less likely to be contaminated. The sanitary ware includes: a sanitary ware body; and a glaze layer having a single-layer structure as a sole glaze layer on the sanitary ware body, the glaze layer comprising a phase-separated glass as the major part and the glaze layer having a surface roughness Ra of not more than 0.07 ?m. Thus, the body of the sanitary ware can be concealed satisfactorily, and, in a preferred embodiment, a good white color can be imparted to the sanitary ware.Type: GrantFiled: September 27, 2011Date of Patent: January 26, 2016Assignee: Toto Ltd.Inventors: Kohei Inokuchi, Takahiro Hino, Katsuhiro Kawakami, Tomoyasu Ichiki
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Patent number: 9221811Abstract: Compounds or pharmacologically acceptable salts thereof for promoting osteogenesis, improving bone metabolism, preventing or treating bone fracture, preventing or treating a disease associated with bone metabolism, or in the field of orthopedics for the promotion of healing of bone fracture, a bone defect, and bone diseases such as osteoarthritis as well as in the field of dentistry for the treatment of periodontal disease and the stabilization of artificial tooth root.Type: GrantFiled: July 17, 2014Date of Patent: December 29, 2015Assignee: Daiichi Sankyo Company, LimitedInventors: Katsuhiro Kawakami, Toshihiro Kiho, Atsushi Tengeiji, Kentoku Gotanda, Kazumasa Aoki, Kazuki Yano
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Publication number: 20140349991Abstract: Compounds or pharmacologically acceptable salts thereof for promoting osteogenesis, improving bone metabolism, preventing or treating bone fracture, preventing or treating a disease associated with bone metabolism, or in the field of orthopedics for the promotion of healing of bone fracture, a bone defect, and bone diseases such as osteoarthritis as well as in the field of dentistry for the treatment of periodontal disease and the stabilization of artificial tooth root.Type: ApplicationFiled: July 17, 2014Publication date: November 27, 2014Applicant: DAIICHI SANKYO COMPANY, LIMITEDInventors: Katsuhiro Kawakami, Toshihiro Kiho, Atsushi Tengeiji, Kentoku Gotanda, Kazumasa Aoki, Kazuki Yano
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Publication number: 20130189488Abstract: Disclosed are sanitary wares such as toilet bowls or wash bowls that have a glaze layer which can conceal the body of the sanitary wares satisfactorily without the need to use any opacifier and which is less likely to be contaminated. The sanitary ware includes: a sanitary ware body; and a glaze layer having a single-layer structure as a sole glaze layer on the sanitary ware body, the glaze layer comprising a phase-separated glass as the major part and the glaze layer having a surface roughness Ra of not more than 0.07 ?m. Thus, the body of the sanitary ware can be concealed satisfactorily, and, in a preferred embodiment, a good white color can be imparted to the sanitary ware.Type: ApplicationFiled: September 27, 2011Publication date: July 25, 2013Applicant: TOTO LTD.Inventors: Kohei Inokuchi, Takahiro Hino, Katsuhiro Kawakami, Tomoyasu Ichiki
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Patent number: 7761934Abstract: A flush toilet and a drain socket are provided that align the direction of waste passing through a drainage trap so as to prevent pipe clogging without impairing wastewater discharge performance by a siphon effect. The drain socket is for connecting an outlet of a trap drainage channel of a flush toilet unit and a drain pipe located external of the flush toilet unit. The drain socket includes a drain socket body provided with an inlet for coupling with the trap drainage channel and an outlet for coupling with the drain pipe, a siphon inducing region provided on an inner wall of the drain socket body for inducing a siphon effect, and a straightening vane provided upstream of the siphon inducing region of the drain socket body to extend from the inner wall in the inward direction of the channel.Type: GrantFiled: November 25, 2003Date of Patent: July 27, 2010Assignee: Toto Ltd.Inventors: Tomoyasu Ichiki, Tsuyoshi Ozeki, Toshifumi Yoneda, Osamu Kobayashi, Katsuhiro Kawakami, Mitsuyoshi Machida, Shinji Shibata, Hiroshi Tomonari
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Patent number: 7737166Abstract: A 1,6-?-glucan synthetase inhibitor is provided, having potent growth inhibition and having excellent safety. A compound is provided, capable of expressing in a wide spectral range and specifically or selectively, an antifungal effect based on its functional mechanism of 1,6-?-glucan synthesis inhibition. Also provided is a drug, a salt or hydrate thereof, especially an antifungal that contains the compound.Type: GrantFiled: August 16, 2006Date of Patent: June 15, 2010Assignee: Daiichi Sankyo Company, LimitedInventors: Katsuhiro Kawakami, Kazuo Kanai, Takao Horiuchi, Hiroshi Takeshita, Syozo Kobayashi, Yuichi Sugimoto, Issei Achiwa, Junichi Kuroyanagi
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Patent number: 7661153Abstract: A flush toilet that uses a prescribed amount of cleansing water stored in a cleansing water tank to cleanse the toilet and discharge waste is disclosed. The flush toilet includes a bowl having a waste receiving surface, an overhanging rim and a shelf, a drainage channel whose inlet is connected to the bottom of the bowl for discharging waste, a first water spouting section for spouting cleansing water onto the shelf of the bowl to form a vortex; a second water spouting section for spouting cleansing water onto shelf of the bowl in the same direction as the swirling direction of the vortex, a first water channel for supplying cleansing water from the cleansing water tank to the first water spouting section, and a second water channel for supplying cleansing water from the cleansing water tank to the second water spouting section.Type: GrantFiled: September 3, 2003Date of Patent: February 16, 2010Assignee: Toto Ltd.Inventors: Kenichi Nakamura, Tsuyoshi Ozeki, Toshifumi Yoneda, Tomoyasu Ichiki, Hiroshi Tomonari, Kyoji Asada, Katsuhiro Kawakami
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Publication number: 20090143353Abstract: A 1,6-?-glucan synthetase inhibitor is provided, having potent growth inhibition and having excellent safety. A compound is provided, capable of expressing in a wide spectral range and specifically or selectively, an antifungal effect based on its functional mechanism of 1,6-?-glucan synthesis inhibition. Also provided is a drug, especially an antifungal that contains the compound, its salt or their hydrate.Type: ApplicationFiled: August 16, 2006Publication date: June 4, 2009Applicant: DAIICHI SANKYO COMPANY, LIMITEDInventors: Katsuhiro Kawakami, Kazuo Kanai, Takao Horiuchi, Hiroshi Takeshita, Syozo Kobayashi, Yuichi Sugimoto, Issei Achiwa, Junichi Kuroyanagi
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Publication number: 20070191395Abstract: A compound which can specifically or selectively expresses an antifungal activity with a broad spectrum, based on the functional mechanism of 1,6-?-glucan synthesis inhibition, is provided, and an antifungal agent which comprises such a compound, a salt thereof or a solvate thereof is provided. A compound represented by the following formula (I), a salt thereof or a solvate thereof.Type: ApplicationFiled: February 16, 2005Publication date: August 16, 2007Inventors: Katsuhiro Kawakami, Kazuo Kanai, Tetsunori Fujisawa, Chikanori Morita, Takashi Suzuki
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Patent number: 7186843Abstract: This invention provides a quinolone derivative having potent antibacterial activity against various bacteria including drug-resistant strains which is a compound of the following formula wherein R1 is an optionally substituted aromatic group, a salt of the same or a hydrate of both.Type: GrantFiled: April 29, 2004Date of Patent: March 6, 2007Assignee: Daiichi Pharmaceutical Co. Ltd.Inventors: Makoto Takemura, Hisashi Takahashi, Katsuhiro Kawakami, Toshiyuki Takeda, Rie Miyauchi
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Patent number: 7176313Abstract: An anti acid-fast bacterial agent containing, as an active ingredient, a pyridonecarboxylic acid derivative represented by the following general formula (1), a salt thereof, or a hydrate thereof, which shows excellent antibacterial activity against Mycobacterium tuberculosis and atypical acid-fast bacteria and exhibits good pharmacokinetics and safetyType: GrantFiled: February 7, 2001Date of Patent: February 13, 2007Assignee: Daiichi Pharmaceutical Co., Ltd.Inventors: Makoto Takemura, Hisashi Takahashi, Katsuhiro Kawakami, Kenji Namba, Mayumi Tanaka, Rie Miyauchi
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Publication number: 20060057846Abstract: Disclosed are a composition for a sanitary ware body for use in slip casting, possessing excellent long-term storage stability, transportability and slurry regeneration, a production process of the same, and a production process of a sanitary ware using the composition for a sanitary ware body. This composition for a sanitary ware body comprises agglomerate of a raw material powder for said sanitary ware body and has a water content of 0 (zero) to 25% by weight and a 50% average particle diameter of 1 to 15 ?m on a number basis of the powder. A slurry of a raw material for a sanitary ware body for use in slip casting can be prepared by adding water to the composition for a sanitary ware body and stirring the mixture.Type: ApplicationFiled: September 26, 2003Publication date: March 16, 2006Applicant: TOTO LTD.Inventors: Hidemi Ishikawa, Katsuhiro Kawakami, Tsuyoshi Ozeki, Takachika Arakawa, Mitsuyoshi Machida
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Patent number: 6900225Abstract: (?)-7-[(7S)-7-Amino-5-azaspiro[2.4]heptan-5-yl]-6-fluoro-1-[(1R, 2S)-2-fluoro-1-cyclopropyl]-1,4-dihydro-8-methoxy-4-oxo-3-quinolinecarboxylic acid.1HCl.1H2O and antibacterial compositions containing this compound. The compound of the present invention exhibits not only excellent antibacterial activity and safety, but also remarkable stability against light and humidity, and is thus useful as an antibacterial agent.Type: GrantFiled: March 30, 2001Date of Patent: May 31, 2005Assignee: Daiichi Pharmaceutical Co., Ltd.Inventors: Makoto Takemura, Hisashi Takahashi, Katsuhiro Kawakami, Masao Itoh, Tetsuya Suzuki, Tsuyoshi Ohtani, Masayasu Sekiguchi, Rie Miyauchi, Isao Hayakawa
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Publication number: 20050113397Abstract: A compound reprsented by the following formula (I), its salts or nsolvates thereof capable of specifically or selectively expressig an antifungal activity in a broad spectrum based on the novel mechanism thereof of 1,6-?-glucan synthesis inhibition, and an antifungal agent containing any of them.Type: ApplicationFiled: January 30, 2003Publication date: May 26, 2005Inventors: Makoto Takemura, Hisashi Takahashi, Katsuhiro Kawakami, Hiroshi Takeshita, Youichi Kimura, Jun Watanabe, Yuichi Sugimoto, Akihiro Kitamura, Ryohei Nakajima, Kazuo Kanai, Tetsunori Fujisawa
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Publication number: 20040209940Abstract: This invention provides a quinolone derivative having potent antibacterial activity against various bacteria including drug-resistant strains which is a compound of the following formula wherein R1 is an optionally substituted aromatic group, a salt of the same or a hydrate of both.Type: ApplicationFiled: April 29, 2004Publication date: October 21, 2004Applicant: DAIICHI PHARMACEUTICAL CO., LTD.Inventors: Makoto Takemura, Hisashi Takahashi, Katsuhiro Kawakami, Toshiyuki Takeda, Rie Miyauchi
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Publication number: 20040142957Abstract: (−)-7-[(7S)-7-Amino-5-azaspiro[2.4]heptan-5-yl]-6-fluoro-1-[(1R, 2S)-2-fluoro-1-cyclopropyl]-1,4-dihydro-8-methoxy-4-oxo-3-quinolinecarboxylic acid.1HCl.1H2O and antibacterial compositions containing this compound. The compound of the present invention exhibits not only excellent antibacterial activity and safety, but also remarkable stability against light and humidity, and is thus useful as an antibacterial agent.Type: ApplicationFiled: January 9, 2004Publication date: July 22, 2004Applicant: DAIICHI PHARMACEUTICAL CO., LTD.Inventors: Makoto Takemura, Hisashi Takahashi, Katsuhiro Kawakami, Masao Itoh, Tetsuya Suzuki, Tsuyoshi Ohtani, Masayasu Sekiguchi, Rie Miyauchi, Isao Hayakawa
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Patent number: 6762181Abstract: This invention provides a quinolone derivative having potent antibacterial activity against various bacteria including drug-resistant strains which is a compound of the following formula wherein R1 is an optionally substituted aromatic group, a salt of the same or a hydrate of both.Type: GrantFiled: September 7, 2001Date of Patent: July 13, 2004Assignee: Daiichi Pharmaceutical Co., Ltd.Inventors: Makoto Takemura, Hisashi Takahashi, Katsuhiro Kawakami, Toshiyuki Takeda, Rie Miyauchi
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Patent number: 6699606Abstract: A sanitary ware comprises a sanitary ware body and a surface glaze layer provided on the sanitary ware body. The surface glaze layer has a center line average roughness Ra of less than 0.07 &mgr;m as measured with a stylus type surface roughness tester according to JIS B 0651-1996.Type: GrantFiled: February 5, 2003Date of Patent: March 2, 2004Assignee: Toto Ltd.Inventors: Mitsuyoshi Machida, Koichi Hayashi, Hirotaka Ishibashi, Tomoyasu Ichiki, Masaaki Ito, Masami Ando, Atsushi Kitamura, Toshihiro Aoshima, Katsuhiro Kawakami, Satoshi Horiuchi, Makoto Hayakawa
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Publication number: 20030187008Abstract: (−)-7-[(7S)-7-Amino-5-azaspiro[2.4]heptan-5-yl]-6-fluoro-1-[(1R, 2S)-2-fluoro-1-cyclopropyl]-1,4-dihydro-8-methoxy-4-oxo-3-quinolinecarboxylic acid.1HCl.1H2O and antibacterial compositions containing this compound. The compound of the present invention exhibits not only excellent antibacterial activity and safety, but also remarkable stability against light and humidity, and is thus useful as an antibacterial agent.Type: ApplicationFiled: March 31, 2003Publication date: October 2, 2003Inventors: Makoto Takemura, Hisashi Takahashi, Katsuhiro Kawakami, Masao Itoh, Tetsuya Suzuki, Tsuyoshi Ohtani, Masayasu Sekiguchi, Rie Miyauchi, Isao Hayakawa