Patents by Inventor Toshiki Matsui
Toshiki Matsui 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).
-
Patent number: 6800587Abstract: An iron compound catalyst for inhibiting the generation of dioxin contains iron oxide particles, iron oxide hydroxide particles or mixed particles having a catalytic activity capable of converting not less than 15% of carbon monoxide into carbon dioxide when 2.8×10−4 mol of iron oxide particles obtained by heat-treating the iron compound catalyst in air at a temperature of 800° C. for 15 minutes, are instantaneously contacted with 6.1×10−7 mol of carbon monoxide at a temperature of 250° C. at a space velocity (SV) of 42,400 h−1 in an inert gas atmosphere using a pulse catalytic reactor, the iron oxide particles or the iron oxide hydroxide particles have an average particle size of 0.01 to 2.0 &mgr;m, a BET specific surface area of 0.2 to 200 m2/g, a phosphorus content of not more than 0.02% by weight, a sulfur content of not more than 0.6% by weight and a sodium content of not more than 0.5% by weight.Type: GrantFiled: April 25, 2001Date of Patent: October 5, 2004Assignees: Toda Kogyo Corporation, Naikai Plant Kabushiki KaishaInventors: Tomoyuki Imai, Toshiki Matsui, Yasuhiko Fujii, Satoshi Hatakeyama, Kojiro Tsutsumi, Tomoko Okita, Hiroshi Inoue, Tatsuaki Baba, Masaki Ishihara, Takashi Okamura
-
Patent number: 6663840Abstract: The present invention relates to a process for treating a dioxin-containing exhaust gas which can inhibit the generation of dioxin occurring either in the course of cooling of the exhaust gas between a downstream portion subsequent to a combustion chamber and a dust collector or due to a memory effect upon low-temperature combustion in flues or dust collector at the start-up or shut-down of intermittent operation-type solid waste incinerators, without large-scale incineration facilities or plant renovation and equipment investment, and a composite catalyst composition for inhibiting the generation of dioxin, comprising an iron compound, an acid gas neutralizing agent and optionally an activated carbon.Type: GrantFiled: July 8, 2002Date of Patent: December 16, 2003Assignee: Toda Kogyo CorporationInventors: Tomoyuki Imai, Satoshi Hatakeyama, Toshiki Matsui, Yasuhiko Fujii, Tomoko Okita, Hiroshi Inoue, Masaki Ishihara, Masayuki Ukita
-
Publication number: 20030091764Abstract: A plastic film which has a low hiding power and an improved heat resistance, and which exhibits an excellent color, is free from discoloration upon molding and shows a more excellent combustion efficiency upon incineration, and which comprises:Type: ApplicationFiled: April 24, 2002Publication date: May 15, 2003Inventors: Yasuhiko Fujii, Toshiki Matsui, Minoru Ohsugi, Kazuyuki Hayashi, Mineko Ohsugi, Hiroko Morii, Tomoko Okita
-
Publication number: 20020198102Abstract: The present invention relates to a process for treating a dioxin-containing exhaust gas which can inhibit the generation of dioxin occurring either in the course of cooling of the exhaust gas between a downstream portion subsequent to a combustion chamber and a dust collector or due to a memory effect upon low-temperature combustion in flues or dust collector at the start-up or shut-down of intermittent operation-type solid waste incinerators, without large-scale incineration facilities or plant renovation and equipment investment, and a composite catalyst composition for inhibiting the generation of dioxin, comprising an iron compound, an acid gas neutralizing agent and optionally an activated carbon.Type: ApplicationFiled: July 8, 2002Publication date: December 26, 2002Applicant: Toda Kogyo CorporationInventors: Tomoyuki Imai, Satoshi Hatakeyama, Toshiki Matsui, Yasuhiko Fujii, Tomoko Okita, Hiroshi Inoue, Masaki Ishihara, Masayuki Ukita
-
Patent number: 6476112Abstract: Calcium-iron oxide composite particles of the present invention have a BET specific surface area of 1 to 100 m2/g and containing iron atom in an amount of 1 to 50 moles based on 100 moles of calcium atom, the iron atom of not less than 50% based on the total amount of iron atom contained in said calcium-iron oxide composite particles being bonded with calcium atom for forming a calcium-iron ferrite phase. A hydrogen chloride-scavenger comprising the calcium-iron oxide composite particles, is capable of effectively capturing harmful hydrogen chloride generated by thermal decomposition or combustion of chorine-containing resin molded products upon fire or incineration thereof, and fixing the hydrogen chloride as stable calcium chloride or the like.Type: GrantFiled: January 12, 2001Date of Patent: November 5, 2002Assignee: Toda Kogyo CorporationInventors: Toshiki Matsui, Masaru Isoai, Yasuhiko Fujii, Satoshi Hatakeyama, Tomoko Okita, Tomoyuki Imai
-
Patent number: 6459012Abstract: A process for treating an organohalogen compound-containing soil or ash of the present invention, comprises: mixing the organohalogen compound-containing soil or ash with an organohalogen compound-decomposition catalyst composed of a composite catalyst comprising an amine compound and iron compound particles, and having an average particle size of 0.01 to 2.0 &mgr;m, a phosphorus content of not more than 0.02% by weight, a sulfur content of not more than 0.3% by weight and a sodium content of not more than 0.3% by weight; and having an apparent density (&rgr;a) of not more than 0.8 g/ml and a catalytic activity capable of decomposing not less than 50% by weight of monochlorobenzene; and heat-treating the obtained mixture at a temperature of 150 to 600° C. The method for treating an organohalogen compound-containing soil or ash in order to effectively decompose dioxins and dioxin precursors such as aromatic organohalogen compounds or aliphatic organohalogen compounds, e.g.Type: GrantFiled: September 17, 2001Date of Patent: October 1, 2002Assignee: Toda Kogyo CorporationInventors: Tomoyuki Imai, Satoshi Hatakeyama, Toshiki Matsui, Yasuhiko Fujii, Tomoko Okita, Toshiyuki Hakata
-
Patent number: 6436868Abstract: The present invention relates to a process for treating a dioxin-containing exhaust gas which can inhibit the generation of dioxin occurring either in the course of cooling of the exhaust gas between a downstream portion subsequent to a combustion chamber and a dust collector or due to a memory effect upon low-temperature combustion in flues or dust collector at the start-up or shut-down of intermittent operation-type solid waste incinerators, without large-scale incineration facilities or plant renovation and equipment investment, and a composite catalyst composition for inhibiting the generation of dioxin, comprising an iron compound, an acid gas neutralizing agent and optionally an activated carbon.Type: GrantFiled: July 7, 2000Date of Patent: August 20, 2002Assignee: Toda Kogyo CorporationInventors: Tomoyuki Imai, Satoshi Hatakeyama, Toshiki Matsui, Yasuhiko Fujii, Tomoko Okita, Hiroshi Inoue, Masaki Ishihara, Masayuki Ukita
-
Publication number: 20020103284Abstract: A resin composition comprising (a) 100 parts by weight of a thermoplastic resin containing nitrogen atom(s) in structural units thereof; and (b) 0.1 to 20 parts by weight of an iron compound catalyst comprising at least one iron oxide-based compound selected from the group consisting of iron oxide hydroxide particles or iron oxide particles, which has an average particle size of 0.05 to 2.0 &mgr;m; and has a specific oxidation activity.Type: ApplicationFiled: February 5, 2002Publication date: August 1, 2002Inventors: Suminori Tanaka, Toshiaki Shimuzu, Toshiki Matsui, Tomoyuki Imai
-
Publication number: 20020094788Abstract: The invention provides a signal processing semiconductor integrated circuit of the direct conversion system, which includes a dummy amplifier having the same circuit configuration as a low noise amplifier being the first stage amplifier, in which the DC offset calibrations on the subsequent stage amplifiers are carried out during shifting into the reception mode in a state that the low noise amplifier is deactivated and the dummy amplifier is activated. Thereby, the invention achieves to suppress generation of the DC offsets resulting from the leakage noises of the local oscillator during shifting into the reception mode, and to enhance the reception sensitivity.Type: ApplicationFiled: January 3, 2002Publication date: July 18, 2002Applicant: Hitachi, Ltd.Inventors: Norio Hayashi, Noriyoshi Hagino, Toshiki Matsui, Kazuo Watanabe, Satoshi Tanaka
-
Publication number: 20020093677Abstract: A multifunction system has advanced functions and high speed capability and is excellent in expandability. The multifunction system includes a controller, an IIT, an IOT, and a light distributing device. For a print job, print data outputted from the controller is converted into optical signals, which enter a light distributing device and are transmitted to the IOT of the emission side. The IOT prints the received data onto a printer. For a copy job, copy data outputted from IIT is converted into optical signals, which enter the light distributing device, and are transmitted to the IOT of the emission side. For a scan job, scan data outputted from the scanner is converted into optical signals, which enter the light distributing device, and are transmitted to the controller of the emission side. The controller processes the received data.Type: ApplicationFiled: May 29, 2001Publication date: July 18, 2002Applicant: FUJI XEROX CO., LTD.Inventors: Shinobu Ozeki, Tsutomu Hamada, Junji Okada, Masao Funada, Takeshi Kamimura, Hidenori Yamada, Kazuhiro Sakai, Shinya Kyozuka, Hiroki Ishida, Osamu Takanashi, Masaaki Miura, Kenichi Kobayashi, Tsuyoshi Yaguchi, Kazuhiro Hama, Toshiki Matsui, Yasuhiro Arai, Hirotaka Mori
-
Publication number: 20020094792Abstract: Disclosed herein is a direct conversion type signal processing semiconductor integrated circuit device capable of suppressing a DC voltage variation in the output of a variable gain amplifier upon the transition to a reception mode, reproducing stable receiving characteristics and improving receiving sensitivity. In the signal processing semiconductor integrated circuit device, voltage reference circuits for generating reference voltages for controlling or restricting currents for current sources for supplying operating currents for amplifiers constituting a reception-system circuit are boosted upon the transition from an idle mode or the like to the reception mode to allow the currents to flow into the constant-current sources of the amplifiers after the stabilization of the generated reference voltages.Type: ApplicationFiled: January 3, 2002Publication date: July 18, 2002Applicant: Hitachi, Ltd.Inventors: Ikuya Oono, Toshiki Matsui, Hirotaka Oosawa
-
Publication number: 20020059818Abstract: A process for treating an organohalogen compound-containing soil or ash of the present invention, comprises:Type: ApplicationFiled: September 17, 2001Publication date: May 23, 2002Inventors: Tomoyuki Imai, Satoshi Hatakeyama, Toshiki Matsui, Yasuhiko Fujii, Tomoko Okita, Toshiyuki Hakata
-
Patent number: 6365282Abstract: A resin composition comprising (a) 100 parts by weight of a thermoplastic resin containing nitrogen atom(s) in structural units thereof; and (b) 0.1 to 20 parts by weight of an iron compound catalyst comprising at least one iron oxide-based compound selected from the group consisting of iron oxide hydroxide particles or iron oxide particles, which has an average particle size of 0.05 to 2.0 &mgr;m; and has a specific oxidation activity. Such a resin composition is inhibited from generating hydrocyanic acid upon the combustion, though the composition contains nitrogen atom(s) in structural units thereof.Type: GrantFiled: September 21, 2000Date of Patent: April 2, 2002Assignee: Toda Kogyo CorporationInventors: Suminori Tanaka, Toshiaki Shimuzu, Toshiki Matsui, Tomoyuki Imai
-
Publication number: 20010031235Abstract: An iron compound catalyst for inhibiting the generation of dioxin of the present invention, comprise iron oxide particles, iron oxide hydroxide particles or mixed particles thereof having a catalytic activity capable of converting not less than 15% of carbon monoxide into carbon dioxide when 2.8×10−4 mol of iron oxide particles obtained by heat-treating said iron compound catalyst in air at a temperature of 800° C. for 15 minutes, are instantaneously contacted with 6.1×10−7 mol of carbon monoxide at a temperature of 250° C. at a space velocity (SV) of 42,400 h−1 in an inert gas atmosphere using a pulse catalytic reactor, said iron oxide particles or said iron oxide hydroxide particles having an average particle size of 0.01 to 2.0 &mgr;m, a BET specific surface area of 0.2 to 200 m2/g, a phosphorus content of not more than 0.02% by weight, a sulfur content of not more than 0.6% by weight and a sodium content of not more than 0.5% by weight.Type: ApplicationFiled: April 25, 2001Publication date: October 18, 2001Applicant: Toda Kogyo CorporationInventors: Tomoyuki Imai, Toshiki Matsui, Yasuhiko Fujii, Satoshi Hatakeyama, Kojiro Tsutsumi, Tomoko Okita, Hiroshi Inoue, Tatsuaki Baba, Masaki Ishihara, Takashi Okamura
-
Publication number: 20010021366Abstract: Calcium-iron oxide composite particles of the present invention have a BET specific surface area of 1 to 100 m2/g and containing iron atom in an amount of 1 to 50 moles based on 100 moles of calcium atom,Type: ApplicationFiled: January 12, 2001Publication date: September 13, 2001Inventors: Toshiki Matsui, Masaru Isoai, Yasuhiko Fujii, Satoshi Hatakeyama, Tomoko Okita, Tomoyuki Imai
-
Patent number: 6276287Abstract: An iron compound catalyst for inhibiting the generation of dioxin of the present invention, comprise iron oxide particles, iron oxide hydroxide particles or mixed particles thereof having a catalytic activity capable of converting not less than 15 % of carbon monoxide into carbon dioxide when 2.8×10−4 mol of iron oxide particles obtained by heat-treating said iron compound catalyst in air at a temperature of 800° C. for 15 minutes, are instantaneously contacted with 6.1×107 mol of carbon monoxide at a temperature of 250° C. at a space velocity (SV) of 42,400 h−1 in an inert gas atmosphere using a pulse catalytic reactor, the iron oxide particles or said iron oxide hydroxide particles having an average particle size of 0.01 to 2.0 &mgr;m, a BET specific surface area of 0.2 to 200 m2/g, a phosphorus content of not more than 0.02 % by weight, a sulfur content of not more than 0.6 % by weight and a sodium content of not more than 0.5 % by weight.Type: GrantFiled: May 3, 1999Date of Patent: August 21, 2001Assignees: Toda Kogyo Corporation, Naikai Plant Kabushiki KaishaInventors: Tomoyuki Imai, Toshiki Matsui, Yasuhiko Fujii, Satoshi Hatakeyama, Kojiro Tsutsumi, Tomoko Okita, Hiroshi Inoue, Tatsuaki Baba, Masaki Ishihara, Takashi Okamura
-
Patent number: 6271168Abstract: A composite catalyst for decomposing an organohalogen compound of the present invention, comprises composite particles comprising: iron compound particles having an average particle size of 0.01 to 2.0 &mgr;m, a phosphorus content of not more than 0.02% by weight based on the weight of the particles, a sulfur content of not more than 0.3% by weight based on the weight of the particles, and a sodium content of not more than 0.3% by weight based on the weight of the particles; and an amine compound, said composite catalyst having a catalytic activity capable of decomposing not less than 50% by weight of monochlorobenzene when 50 mg of a mixture comprising iron oxide particles obtained by heat-treating said iron compound particles at a temperature of 300° C. for 60 minutes in air, and the amine compound, is instantaneously contacted with 5.0×10−7 mol of monochlorobenzene at a temperature of 300° C.Type: GrantFiled: September 25, 2000Date of Patent: August 7, 2001Assignee: Toda Kogyo CorporationInventors: Tomoyuki Imai, Satoshi Hatakeyama, Toshiki Matsui, Yasuhiko Fujii, Tomoko Okita
-
Patent number: 6228924Abstract: Calcium-iron oxide composite particles of the present invention have a BET specific surface area of 0.1 to 100 m2/g and containing iron atom in an amount of 1 to 500 moles based on 100 moles of calcium atom, the iron atom of not less than 50% based on the total amount of iron atom contained in said calcium-iron oxide composite particles being bonded with calcium atom for forming a calcium-iron ferrite phase. A hydrogen chloride-scavenger comprising the calcium-iron oxide composite particles, is capable of effectively capturing harmful hydrogen chloride generated by thermal decomposition or combustion of chorine-containing resin molded products upon fire or incineration thereof, and fixing the hydrogen chloride as stable calcium chloride or the like.Type: GrantFiled: December 23, 1998Date of Patent: May 8, 2001Assignee: Toda Kogyo CorporationInventors: Toshiki Matsui, Masaru Isoai, Yasuhiko Fujii, Satoshi Hatakeyama, Tomoko Okita, Tomoyuki Imai
-
Patent number: 5993536Abstract: A method of decoloring a colored concrete, comprises adding to the colored concrete, a decoloring pigment comprising a titanium oxide pigment, or a titanium oxide pigment and a pigment having a complementary color relative to color of the colored concrete. Such method can decolore the color of the colored concrete residue which attaches to or remains in production facilities in order to return a color thereof to that of an ordinary plain concrete, without works or treatments for washing-out or removing the colored concrete residue which attaches to or remains in the production facilities, in which the works or treatments are required in the case where the production facilities are used for the production of an ordinary plain concrete after the colored concrete has been produced therein, and without works or treatments for purifying a waste water generated upon washing-out or removing the residue and for making the waste water harmless; and a pigment used therefor.Type: GrantFiled: February 4, 1998Date of Patent: November 30, 1999Assignee: Toda Kogyo CorporationInventors: Toshiki Matsui, Masaru Isoai, Yasuhiko Fujii, Tomoyuki Imai
-
Patent number: 4968529Abstract: To obtain an anticorrosive Fe-B-R type permanent magnet; in particular, to reduce deterioration rate of the initial magnetic properties below 10% after the magnet has been kept at 80.degree. C. in 90% relative humidity for 500 hours, the surface of the sintered permanent magnet is coated with metallic coating film layers of at least one noble metal layer and at least one base metal layer disposed on the noble metal layer. Diffusion heat treatment further improves the adhesiveness of the coating film layers.Type: GrantFiled: December 21, 1989Date of Patent: November 6, 1990Assignees: Sumitomo Special Metals Co., Ltd., Toda Kogyo Corp.Inventors: Atsushi Hamamura, Takaki Hamada, Hiroko Nakamura, Tomoyuki Imai, Toshiki Matsui, Nanao Horiishi