Patents Assigned to Kabushiki Kaisha Sangi
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Patent number: 8080695Abstract: The present invention provides a production method with which high molecular alcohols having an even number of carbon atoms such as 1-butanol, hexanol, octanol and decanol, and a mixture of these are efficiently collected through clean processes with the use of ethanol as a raw material. High molecular alcohols are produced from ethanol by using calcium phosphate-based compounds such as hydroxyapatite Ca10(PO4)6(OH)2, tricalcium phosphate Ca3(PO4)2, calcium monohydrogen phosphate CaHPO4.(0˜2)H2O, calcium diphosphate Ca2P2O7, octacalcium phosphate Ca8H2(PO4)6.5H2O, tetracalcium phosphate Ca4(PO4)2O or amorphous calcium phosphate Ca3(PO4)2. nH2O as a catalyst, using ethanol as a starting material, and setting a contact time at 0.4 second or longer.Type: GrantFiled: June 4, 2007Date of Patent: December 20, 2011Assignee: Kabushiki Kaisha SangiInventors: Takashi Tsuchida, Shuji Sakuma
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Publication number: 20100129298Abstract: It is intended to provide a remineralization promoter for tooth enamel and a composition for an oral cavity, which can highly effectively promote the remineralization of tooth enamel and strongly inhibit dental caries. The remineralization promoter for tooth enamel and the composition for an oral cavity are characterized by containing amorphous hydroxyapatite and/or amorphized hydroxyapatite showing two peaks at 2?=31 to 35° in X-ray diffraction. The amorphized hydroxyapatite is obtained by reacting calcium salt with phosphate in an aqueous solution and drying the reaction solution at a temperature of 10 to 70° C.Type: ApplicationFiled: April 8, 2008Publication date: May 27, 2010Applicant: KABUSHIKI KAISHA SANGIInventors: Shuji Sakuma, Tsutomu Ishizaki, Tadayoshi Arakawa
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Publication number: 20080069896Abstract: Antitumor agents with high antitumor effect have much side-effect, and its activity decreases when the toxicity decreases. Thus, satisfactory antitumor effects are not always obtained. Therefore, development of an antitumor agent having a high antitumor effect, with less side-effect and low toxicity is awaited. The present invention is to provide an antitumor agent of fine particles, wherein platinum chloride, chloroplatinic acids and hydroxyapatite are blend. Platinum chloride and chloroplatinic acids are platinum tetrachloride, tetrachloroplatinate, hexachloroplatinate, disodium platinum tetrachloride, disodium platinum hexachloride, dipotassium platinum tetrachloride, or dipotassium platinum hexachloride. The maximum particle diameter of hydroxyapatite is 1 ?m or less.Type: ApplicationFiled: September 26, 2005Publication date: March 20, 2008Applicant: Kabushiki Kaisha SangiInventors: Shuji Sakuma, Kiminori Atsumi, Keiichiro Kikukawa
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Patent number: 7250453Abstract: Anti-bacterial composite particles which comprise a polymer base material comprising a thermal melting polymer, such as a polyolefine, exhibiting good dispersibility in a basic material resin and having a lower molecular weight or a lower softening point than that of the basic material resin, and inorganic fine particles comprising a metal having anti-bacterial activity carried thereon. An antibacterial resin composition can be prepared by melting and kneading a synthetic resin composition as the basic material resin together with the anti-bacterial composite particles and forming by known molding methods such as extrusion molding and injection molding, and can be used for producing various synthetic resin moldings which have an inorganic anti-bacterial agent uniformly dispersed in a synthetic resin composition and thus exhibits good anti-bacterial effect.Type: GrantFiled: October 10, 2002Date of Patent: July 31, 2007Assignees: Kabushiki Kaisha Sangi, Fuji Xerox Co., Ltd.Inventors: Shuji Sakuma, Tomoki Saito, Yuki Sasaki, Yasuo Matsumura, Etsuo Tominaga, Takayoshi Aoki
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Patent number: 6323383Abstract: A process for the synthesis of chemical industrial feedstock and high-octane fuel, wherein calcium phosphate which is controlled in the molar Ca/P ratio and/or one which contains an activating metal (M) at a molar (Ca+M)/P ratio of 1 to 2 is used as the catalyst and ethanol is used as the feedstock.Type: GrantFiled: September 27, 2000Date of Patent: November 27, 2001Assignee: Kabushiki Kaisha SangiInventors: Takashi Tsuchida, Kiminori Atsumi, Shuji Sakuma, Tomoyuki Inui
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Patent number: 5897881Abstract: A hard tissue intactly dissolved material including original components of hard tissues in pure (non-denatured) form and a method for producing the material are disclosed. Ground hard tissues are mixed with an edible acid and dissolved under reduced pressure. The hard tissue are mainly of mammal bones, however, mammal bone marrow, mammal teeth, shells, crustacean integument, corals, etc., may be used. Also, lactic acid may be used as the edible acid.Type: GrantFiled: September 23, 1996Date of Patent: April 27, 1999Assignee: Kabushiki Kaisha SangiInventor: Anjun Liu
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Patent number: 5780869Abstract: A semiconductor circuit means having an electrode of a conductive protein, cytochrome C and/or mitochondria, which is attached to an insulating film of phosphate, especially calcium phosphate, deposited on a substrate of a silicon monocrystal. A small and effective integrated circuit is obtained.Type: GrantFiled: March 22, 1995Date of Patent: July 14, 1998Assignee: Kabushiki Kaisha SangiInventors: Shuji Sakuma, Kiminori Atsumi, Tsutomu Ishizaki
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Patent number: 5723401Abstract: A catalyst for contact conversion of lower aliphatic alcohols such as methanol to form petroleum type hydrocarbons comprises one or more metals and/or metal ions supported on a phosphate carrier. Preferred metals include transition metals such as Ti, Ni, Cu, Zn, Rh, Ag, Ir and alkali metals, alkaline earth metals, Al and Sn. The phosphate carrier is preferably aluminium phosphate, zirconyl phosphate, magnesium phosphate, barium phosphate, zinc phosphate or a calcium phosphate compound. The metal should amount to 0.1 to 30% by weight with respect to the phosphate carrier. This catalyst is used to contact convert lower aliphatic alcohols to produce the gasoline type hydrocarbons at a reaction temperature of 200.degree. to 600.degree. C. and a supply rate of 0.75 to 3.0 weight units of alcohol per weight unit of catalyst per hour.Type: GrantFiled: August 5, 1996Date of Patent: March 3, 1998Assignee: Kabushiki Kaisha SangiInventors: Shuji Sakuma, Kiminori Atsumi, Akira Inose, Hideo Koyama
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Patent number: 5670827Abstract: A semiconductor integrated circuit comprises a conductive protein electrode, such as cytochrome c, deposited on the surface of an apatite insulating layer such as hydroxyapatite, fluorinated apatite or chlorinated apatite. The apatite insulating layer is thin film coated onto a substrate such that it is substantially C-axis (002) oriented, which allows the integrated circuit to be of small size while minimizing undesired electron transfer between electrodes because the conductive protein electrode adopts the orientation of the apatite insulating film.Type: GrantFiled: October 17, 1995Date of Patent: September 23, 1997Assignee: Kabushiki Kaisha SangiInventors: Shuji Sakuma, Kiminori Atsumi, Tsutomu Ishizaki
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Patent number: 5545791Abstract: A catalyst for the conversion of lower aliphatic alcohols such as methanol to form petroleum type hydrocarbons comprises one or more metals and/or metal ions supported on a phosphate carrier. Preferred metals include transition metals such as Ti, Ni, Cu, Zn, Rh, Ag, Ir and alkali metals, alkaline earth metals, Al and Sn. The phosphate carrier is preferably aluminium phosphate, zirconyl phosphate, magnesium phosphate, barium phosphate, zinc phosphate or a calcium phosphate compound. The metal should amount to 0.1 to 30% by weight with respect to the phosphate carrier. This catalyst is used to convert lower aliphatic alcohols to produce the gasoline type hydrocarbons at a reaction temperature of 200.degree. to 600.degree. C. and a supply rate of 0.75 to 3.0 weight units of alcohol per weight unit of catalyst per hour.Type: GrantFiled: April 15, 1994Date of Patent: August 13, 1996Assignee: Kabushiki Kaisha SangiInventors: Shuji Sakuma, Kiminori Atsumi, Akira Inose, Hideo Koyama
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Patent number: 5528833Abstract: Scissors having a pair of blades that are pivotally connected to each other, each blade having a handle portion and a cutting portion detachably connected thereto. The cutting portion of each blade has a ceramic coating on a cutting edge thereof to increase its cutting life and to provide long lasting sharpness. Depending upon the component used in the coating process, the ceramic coating can be colored.Type: GrantFiled: April 19, 1994Date of Patent: June 25, 1996Assignee: Kabushiki Kaisha SangiInventor: Shuji Sakuma
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Patent number: 5348577Abstract: A calcium tertiary phosphate is used as a carrier, and the carrier is caused to carry silver and zinc. The result is an antibacterial ceramic exhibiting an ultra high degree of whiteness and suppressed discoloration. This material may be heat fired at a temperature above 960.degree. C. to obtain a further improvement.Type: GrantFiled: October 28, 1992Date of Patent: September 20, 1994Assignee: Kabushiki Kaisha SangiInventors: Kiminori Atsumi, Tomoki Saito, Masaaki Komori
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Patent number: 5324525Abstract: Disclosed is an agent for preventing the adhesion of water borne organisms, in which a calcium phosphate-based compound is made to carry, by adsorption and/or ion exchange, preferably not more than 15% by weight of at least one metal or metal ion selected from the group consisting of silver, copper, zinc and nickel. Also disclosed is a paint in which 0.1%-30% by weight of this agent is mixed.Type: GrantFiled: April 26, 1993Date of Patent: June 28, 1994Assignee: Kabushiki Kaisha SangiInventors: Shuji Sakuma, Kiminori Atsumi, Keijiro Fujita
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Patent number: 5268174Abstract: Antimicrobial hydroxyapatite powders containing hydroxyapatite power and one or more organic antimicrobial agents selected from hinokitiol, protamine and sorbic acid.Type: GrantFiled: March 26, 1992Date of Patent: December 7, 1993Assignee: Kabushiki Kaisha SangiInventors: Shuji Sakuma, Kiminori Atsumi, Keijiro Fujita
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Patent number: 5266534Abstract: A calcium phosphate ceramic such as hydroxyapatite or calcium tertiary phosphate or calcium carbonate is used as a carrier, and the carrier is caused to carry silicon in addition to silver, or silicon and zinc in addition to silver. The result is an antibacterial ceramic exhibiting an ultra high degree of whiteness and suppressed discoloration. This ceramic material may be heat-fired at a temperature above 960.degree. C. to obtain a further improvement.Type: GrantFiled: April 21, 1992Date of Patent: November 30, 1993Assignee: Kabushiki Kaisha SangiInventors: Kiminori Atsumi, Tomoki Saito, Masaaki Komori
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Patent number: 5213801Abstract: An antibacterial contact lens material comprising a hydrogel lens material and an antibacterial ceramic containing at least one metal selected from the group consisting of Ag, Cu and Zn. The lens material contains from 0.001-10.0% by weight of the antibacterial ceramic and the ceramic from 0.0001 to 10.0% by weight of the metal based on the weight of the ceramic.Type: GrantFiled: July 19, 1991Date of Patent: May 25, 1993Assignee: Kabushiki Kaisha SangiInventors: Shuji Sakuma, Kiminori Atsumi, Akira Inose
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Patent number: 5151122Abstract: An antibacterial ceramic material wherein at least one ceramic selected from the group consisting of hydroxyapatite, calcium phosphate, calcium hydrogen phosphate, calcium carbonate, calcium silicate and zeolite is made to absorb and tightly retain at least one liquified metal salt selected from the group consisting of salts of silver, copper and zinc, after which heat firing at elevated temperatures is performed.Type: GrantFiled: November 13, 1990Date of Patent: September 29, 1992Assignee: Kabushiki Kaisha SangiInventors: Kiminori Atsumi, Tomoki Saito, Masaaki Komori
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Patent number: 5135396Abstract: A fine filling method for dental purposes is characterized in that a fine filler in the form of a powder, a granulate, a suspension or paste, containing finely divided particles of hydroxy-apatite or tetracalcium phosphate, with or without an adjuvant, is rubbed on the surface of a tooth and contacted with saliva. The fine filler for use in this method may contain a calcification-promoting protein.Type: GrantFiled: July 26, 1990Date of Patent: August 4, 1992Assignee: Kabushiki Kaisha SangiInventor: Yoshinori Kuboki
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Patent number: 5133102Abstract: An electronic toothbrush has a handle accommodating a light-emitting diode and a sound-producing device as well as an electric circuit for actuating the diode and device. When a current is caused to flow through the toothbrush by grasping the brush and bringing it into contact with the teeth, light and sound are emitted to notify the user that the toothbrush is operating.Type: GrantFiled: August 22, 1991Date of Patent: July 28, 1992Assignee: Kabushiki Kaisha SangiInventor: Shuji Sakuma
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Patent number: 5086563Abstract: Scissors with replaceable cutting blades include a pair of handles to which cutting blades are detachable, the handles being pivotally connected to each other by a screw. Each handle has a longitudinally extending groove in which a shank of the corresponding cutting blade is inserted, and a retaining plate is disposed so as to cross a portion of the groove. The shank of the cutting blade inserted into the groove is supported on the handle by the retaining plate so that screws are not needed to attach the cutting blade to the handle.Type: GrantFiled: March 12, 1991Date of Patent: February 11, 1992Assignees: Kabushiki Kaisha Sangi, Kanematsu Koguo Kabushiki Kaisha, Yugen Kaisha WorksInventors: Shuji Sakuma, Seigo Kanematsu, Yasuo Hiramatsu