Patents by Inventor Yoshio Katsuda
Yoshio Katsuda 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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Patent number: 8377993Abstract: An object of the present invention is to provide a new insecticidal compound by paying attention to the insecticidal activity contained in the flower part of marigold, and to provide an insecticide containing the compound as an active ingredient. There are provided an insecticidal compound represented by the following chemical formula: [Formula 1], and an insecticide containing the insecticidal compound as an active ingredient or an insecticide containing, as active ingredients, the insecticidal compound and an insecticidal compound represented by the following chemical formula: [Formula 2], wherein the insecticide can exhibit extraordinary insecticidal efficacy compared with existing pyrethroid-based insecticidal compounds.Type: GrantFiled: August 31, 2011Date of Patent: February 19, 2013Assignee: Dainihon Jochugiku Co., Ltd.Inventors: Yoshio Katsuda, Masafumi Inoue, Masamichi Okamoto
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Publication number: 20120122994Abstract: An object of the present invention is to provide a new insecticidal compound by paying attention to the insecticidal activity contained in the flower part of marigold, and to provide an insecticide containing the compound as an active ingredient. There are provided an insecticidal compound represented by the following chemical formula: [Formula 1], and an insecticide containing the insecticidal compound as an active ingredient or an insecticide containing, as active ingredients, the insecticidal compound and an insecticidal compound represented by the following chemical formula: [Formula 2], wherein the insecticide can exhibit extraordinary insecticidal efficacy compared with existing pyrethroid-based insecticidal compounds.Type: ApplicationFiled: August 31, 2011Publication date: May 17, 2012Inventors: Yoshio KATSUDA, Masafumi INOUE, Masamichi OKAMOTO
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Patent number: 7459168Abstract: A cartridge for insecticide transpiration includes an annular hollow structure which has openings in the inner peripheral surface and an outer peripheral surface thereof; a core portion situated at the center of the hollow structure for connecting to the rotation support shaft; a plurality of spoke portions connecting the core portion and the hollow structure; and blade portions integrally formed with the hollow structure so as to extend from the inner peripheral surface toward the center thereof and adapted to promote passing of air from the inner peripheral surface to the outer peripheral surface of the hollow structure, and; an insecticide transpiration apparatus wherein a cartridge for insecticide transpiration accommodating granular chemical-impregnated material 3 in the hollow structure is connected to a motor through the rotation support shaft and the cartridge for insecticide transpiration.Type: GrantFiled: March 29, 2004Date of Patent: December 2, 2008Assignee: Dainihon Jochugiku Co., Ltd.Inventors: Masafumi Inoue, Koji Nakayama, Yoshio Katsuda
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Publication number: 20080233159Abstract: The present invention provides a home-use insecticide formulated as an insect knockdown agent and insect killing agent that contains a useful pyrethroid compound having superior residual efficacy. The home-use insecticide contains (d)-2-methyl-4-oxo-3-(2-propynyl)-2-cyclopenten-1-yl (d)-trans-2,2-dimethyl-3-(2,2-dichlorovinyl)cyclopropanecarboxylate as an active ingredient thereof.Type: ApplicationFiled: May 14, 2007Publication date: September 25, 2008Applicant: DAINIHON JOCHUGIKU CO., LTD.Inventors: Yoshio Katsuda, Toshio Takahashi
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Publication number: 20070148051Abstract: An object of the present invention is to provide a constitution of a chemical volatilization device having a chemical retainer which, in addition to having a chemical retaining function based on an arrangement of mesh-like chemical-retaining fibers and other chemical-retaining fibers, is also able to improve chemical volatilization effects, and is a chemical volatilization device for rotating a chemical retainer 1 made of fibers as a material with a rotary drive device, which is able to achieve the aforementioned object based on employing the chemical retainer 1, wherein, together with arranging mesh-like chemical-retaining fibers 2 arrayed regularly in two-dimensional directions on both the upper and lower sides of the chemical retainer 1, a plurality of supportive connecting chemical-retaining fibers 3 are arranged between the mesh-like chemical-retaining fibers 2 on the upper and lower sides formed in individual mesh units, which support and connect the chemical-retaining fibers 2 on both the upper and lowType: ApplicationFiled: September 9, 2005Publication date: June 28, 2007Applicant: Dainihon Jochugiku Co., Ltd.Inventors: Yoshio Katsuda, Takeo Iwashiro, Tsutomu Kanzaki
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Patent number: 6926902Abstract: There is provided an insecticide transpiration apparatus capable of transpiring insecticide at room temperature.Type: GrantFiled: September 11, 2002Date of Patent: August 9, 2005Assignee: Dainhon Jochugiku Co., Ltd.Inventors: Masafumi Inoue, Koji Nakayama, Yoshio Katsuda
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Publication number: 20040180070Abstract: A cartridge for insecticide transpiration includes an annular hollow structure which has openings in the inner peripheral surface and an outer peripheral surface thereof; a core portion situated at the center of the hollow structure for connecting to the rotation support shaft; a plurality of spoke portions connecting the core portion and the hollow structure; and blade portions integrally formed with the hollow structure so as to extend from the inner peripheral surface toward the center thereof and adapted to promote passing of air from the inner peripheral surface to the outer peripheral surface of the hollow structure, and; an insecticide transpiration apparatus wherein a cartridge for insecticide transpiration accommodating granular chemical-impregnated material 3 in the hollow structure is connected to a motor through the rotation support shaft and the cartridge for insecticide transpiration.Type: ApplicationFiled: March 29, 2004Publication date: September 16, 2004Applicant: Dainihon Jochugiku Co., Ltd.Inventors: Masafumi Inoue, Koji Nakayama, Yoshio Katsuda
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Patent number: 6709666Abstract: An insecticidal mat which is applied to a portable heat-transpiration apparatus and is capable of maintaining the insecticidal effect continuously over 8 hours or more even in an open space, and a heat-transpiration insecticidal method using the same. The insecticidal mat comprises a fibrous mat having a size of 1,000 to 2,500 mm2 which contains 250 to 600 mg of allethrin as an insecticidal ingredient, 600 to 1,000 mg of piperonyl butoxide as a volatilization controlling agent and 10 to 100 mg of at least one member selected from the group consisting of 2,5-di-t-butylhydroquinone, 3,5-di-t-hydoxytoluene and 3-t-butyl-4-hydroxyanisole as a volatilization controlling agent per mat, wherein the mat is used by setting on a radiation plate which has an area of 1,000 to 2,500 mm2, has a temperature of 150 to 190° C. at its central portion, and has a temperature difference between the central portion and its edge portion of 10° C. or less.Type: GrantFiled: May 29, 2001Date of Patent: March 23, 2004Assignee: Dainihon Jochugiku Co., Ltd.Inventors: Mie Kishi, Koji Nakayama, Yoshio Katsuda
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Publication number: 20030160062Abstract: There is provided an insecticide transpiration apparatus capable of transpiring insecticide at room temperature.Type: ApplicationFiled: September 11, 2002Publication date: August 28, 2003Applicant: Dainihon Jochugiku Co., Ltd.Inventors: Masafumi Inoue, Koji Nakayama, Yoshio Katsuda
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Publication number: 20020007584Abstract: An insecticidal mat which is applied to a portable heat-transpiration apparatus and is capable of maintaining the insecticidal effect continuously over 8 hours or more even in an open space, and a heat-transpiration insecticidal method using the same. The insecticidal mat comprises a fibrous mat having a size of 1,000 to 2,500 mm2 which contains 250 to 600 mg of allethrin as an insecticidal ingredient, 600 to 1,000 mg of piperonyl butoxide as a volatilization controlling agent and 10 to 100 mg of at least one member selected from the group consisting of 2,5-di-t-butylhydroquinone, 3,5-di-t-hydoxytoluene and 3-t-butyl-4-hydroxyanisole as a volatilization controlling agent per mat, wherein the mat is used by setting on a radiation plate which has an area of 1,000 to 2,500 mm2, has a temperature of 150 to 190° C. at its central portion, and has a temperature difference between the central portion and its edge portion of 10° C. or less.Type: ApplicationFiled: May 29, 2001Publication date: January 24, 2002Applicant: Dainihon Jochugiku Co., Ltd.Inventors: Mie Kishi, Koji Nakayama, Yoshio Katsuda
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Patent number: 6241131Abstract: The present invention provides a delayed spray actuator for aerosol which is convenient for a user at the time of an ejection operation, that is simple in the entire construction, and that elongates a delayed time period. When a valve member 1 is depressed, the valve member 1, a cover member 5 and a stem 1 are moved downwardly to open a valve portion of the stem 10 and an outer sheath portion 7 is held in a state in which a protruded portion 7a thereof is engaged with a protruded portion 15c of a cover body 15. In this state, an end portion of a skirt portion 4c of a sheath-like responding portion 4 is closely contacted with a small diameter portion 6b of an inner circumferential surface of an inner cylinder portion 6, and a flow passage defined by a hole portion 6e, a groove portion 4b, and an output side hole portion 2a is closed.Type: GrantFiled: April 17, 2000Date of Patent: June 5, 2001Assignee: Dainihon Jochugiku Co., Ltd.Inventors: Yoshio Katsuda, Hiroyuki Ueda
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Patent number: 6107339Abstract: The derivatives of esters of carboxylic acids represented by the general formula I: ##STR1## wherein: R.sub.1 is an alkyl group having a chain or branched chain of 1 to 4 carbon atoms; andR.sub.2 is a group represented by the following general formulae II, III or IV; ##STR2## wherein: R.sub.3 is a hydrogen atom or a methyl group;X is an oxygen atom or a methylidene group;R.sub.4 is an hydrogen atom or an ethynyl group;R.sub.5 and R.sub.6 are alike or differently selected from the group consisting of hydrogen, fluorine, chlorine atoms or methyl group;R.sub.7 is a hydrogen atom or a trifluoromethyl group;R.sub.8 is selected from the group consisting of propargyl, methoxymethyl or methylthio groups; orR.sub.7 and R.sub.8 may combine with each other to form a methylenedioxy chain; and the process for manufacturing the same, and the insecticides and the insect proofing agents containing the same as an active ingredient.Type: GrantFiled: November 1, 1996Date of Patent: August 22, 2000Assignee: Dainihon Jochugiku Co., Ltd.Inventors: Yoshio Katsuda, Koji Nakayama, Yoshihiro Minamite
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Patent number: 6074656Abstract: The present invention provides a long-acting insecticidal mat which is applied to the electric mosquito-repellent mat system and is capable of maintaining the insecticidal effect for a long period, not less than five days, and a heat-transpiration insecticidal method using the mat, wherein a fibrous mat which is impregnated with not less than 50 mg per mat of an insecticidal ingredient of pyrethroid having not less than 4.0.times.10.sup.-6 mmHg of vapor pressure at 20.degree. C. is used by means of setting the mat on a radiation plate which has an area of 0.2 to 0.6 time as large as the base area of the mat and has a heating temperature of 70 to 170.degree. C.Type: GrantFiled: November 7, 1997Date of Patent: June 13, 2000Assignee: Dainihon Jochugiku Co., Ltd.Inventors: Yoshio Katsuda, Koji Nakayama, Tomoko Takahashi
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Patent number: 5854288Abstract: The use of compounds of the formula I ##STR1## in which R.sup.1 -R.sup.6, A, B und X have the meaning given in detail in the description, for controlling house dust mites.The miticide has a high miticidal effect against house dust mites of Tyrophagus, Dermatophagoides, Cheyletidae, etc. and is harmless to humans and beasts. It is effective not only in exterminating such house dust mites but also in preventing from them.Type: GrantFiled: August 2, 1996Date of Patent: December 29, 1998Assignee: Hoechst Schering AgrEvo GmbHInventors: Yoshio Katsuda, Hans-Herbert Schubert, Hilmar Mildenberger, Stefan Schnatterer, Herbert Stark
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Patent number: 5644866Abstract: A battery-actuated insecticide transpirator comprises: a radiation plate located in contact with an insecticide; and a heating element using a battery; wherein the surface of radiation plate is heated to a temperature of from 90.degree. to 130.degree. C. for transpirating the insecticide, and wherein the heating element consists of a battery connected to a positive temperature coefficient thermistor (an organic PTC) made from a mixture of thermoplastic polyolefin resin and carbon; and wherein the insecticide is a cyclopropane carboxylic ester pyrethroid having a vapor pressure of 1.0.times.10.sup.-4 mmHg or higher at 2.degree. C. A method for transpirating insecticide using the transpirator.Type: GrantFiled: July 10, 1995Date of Patent: July 8, 1997Assignee: Yoshio KatsudaInventors: Yoshio Katsuda, Tsutomu Kanzaki
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Patent number: 5468497Abstract: Disclosed is a fuming, hot-vaporizing insecticide for killing flies, which contains propargylfurylmethyl 2,2,3,3-tetramethylcyclopropanecarboxylate of the general formula I: ##STR1## wherein R is hydrogen or methyl, as the active ingredient. The insecticide may be in any form of coil, mat or liquid. Also disclosed is a method of killing flies, using the insecticide.Type: GrantFiled: August 30, 1994Date of Patent: November 21, 1995Assignee: Dainihon Jochugiku Co., Ltd.Inventor: Yoshio Katsuda
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Patent number: 4969854Abstract: Effective application of enough of the contents of an aerosol container to carpets and floor coverings to give thorough extermination of insects and mites infesting such floor coverings is accomplished by the method of this invention, comprising the steps of leading the contents from a stem to an applicator part formed on a lateral side of the aerosol container and allowing the contents to exude from an application face of the applicator part.Type: GrantFiled: September 11, 1989Date of Patent: November 13, 1990Assignee: Dainihon Jochugiku Company Ltd.Inventors: Yoshio Katsuda, Masuo Matsumoto, Yoshihiro Minamite, Kazunori Hoshino, Yukio Hachinohe, Iwao Yazawa
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Patent number: 4733984Abstract: Effective application of enough of the contents of an aerosol container to carpets and floor coverings to give thorough extermination of insects and mites infesting such floor coverings is accomplished by the method of this invention, comprising the steps of leading the contents from a stem to an applicator part formed on a lateral side of the aerosol container and allowing the contents to exude from an application face of the applicator part.Type: GrantFiled: April 26, 1985Date of Patent: March 29, 1988Assignee: Dainihon Jochugiku Co., Ltd.Inventors: Yoshio Katsuda, Masuo Matsumoto, Yoshihiro Minamite, Kazunori Hoshino, Yukio Hachinohe, Iwao Yazawa
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Patent number: 4693868Abstract: A thermal fumigator is disclosed which vaporizes a drug in order to fumigate a space. The drug is vaporized by heat generated when the vapors of a volatile fuel come in contact with a metal catalyst. The fumigator includes a fuel container, a metal catalyst and a compressed mat, impregnated with a drug, which are held at fixed distances from each other for maximum efficiency.Type: GrantFiled: May 9, 1984Date of Patent: September 15, 1987Assignee: Dainihon Jochugiku Co., Ltd.Inventors: Yoshio Katsuda, Sadao Yoshinaga, Hiroyoshi Mashine
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Patent number: 4459305Abstract: The present invention relates to a cyclopropanecarboxylic acid ester derivative of the general formula I: ##STR1## in which R.sub.1 stands for a hydrogen atom, a methyl group, a halogen atom or a halomethyl group, R.sub.1 ' stands for a halomethyl or haloethyl group, R.sub.2 and R.sub.2 ' are the same or different, each standing for methyl group, a halogen atom or a halomethyl group, provided that if R.sub.1 is a hydrogen atom, R.sub.1 ' is a halomethyl group, and R.sub.2 and R.sub.2 ' are each a methyl group, and R stands for a group of the formula II, III, IV, V or VI: ##STR2## in which R.sub.3 stands for a hydrogen atom or a methyl group, R.sub.4 stands for an allyl, propargyl, benzyl or 2,4-pentadienyl group, X stands for an oxygen or sulfur atom, or a --CH.dbd.CH-- group, R.sub.5 stands for a hydrogen atom, or a cyano, ethynyl, propynyl or trifluoromethyl group, R.sub.6 stands for a hydrogen or halogen atom or a methyl or trifluoromethyl group, n is an integer of 1 to 4, R.sub.Type: GrantFiled: December 4, 1981Date of Patent: July 10, 1984Assignee: Dainippon Sochugiku Kabushiki KaishaInventors: Yoshio Katsuda, Yoshihiro Minamite