Patents by Inventor Akira Matsunaga
Akira Matsunaga 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: 6478947Abstract: Glycerin is effectively produced from a waste oil by a method comprising adding a strongly alkaline reducing water obtained by electrolyzing water containing sodium chloride to a waste oil selected from the group consisting of a waste edible oil, a fossil fuel waste oil and a mixture thereof, and extracting natural glycerin or synthetic glycerin by chemical reaction. Further, reusable edible oil is produced from a waste edible oil by a method comprising electrolyzing an aqueous solution having an electrolyte in an electrolytic cell, mixing a strongly alkaline reducing water generated at a cathode side of the electrolytic cell with a waste edible oil under ordinary temperature condition, and conducting oil/water separation, thereby purifying the waste edible oil to an extent such that it can be edible.Type: GrantFiled: January 12, 2001Date of Patent: November 12, 2002Assignee: Komeisha CorporationInventors: Kohji Nagasaku, Akira Matsunaga, Sungrak Jang
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Patent number: 6407277Abstract: An organic hydroxyl compound is reacted with a phosphorylating agent comprising phosphorus pentaoxide and at least one compound selected from the group consisting of water, phosphoric acid and polyphosphoric acid and having a value represented by formula (I) of from 0.5 to 1.0, under such a condition that the ratio as defined by formula (II) has a value in the range of from 2.8 to 3.2; or alternatively, an organic hydroxyl compound is reacted with the above phosphorylating agent under such a condition that the ratio as defined by formula (II) has a value in the range of from exceeding 3.2 up to 6.4 and then phosphorus pentaoxide is added to the reaction product in such an amount that the ratio as defined by formula (II) has a value in the range of from 2.8 to 3.2 with respect to the total feeds of the starting materials to conduct further reaction.Type: GrantFiled: June 9, 1997Date of Patent: June 18, 2002Assignee: Kao CorporationInventors: Akira Matsunaga, Akira Fujiu, Shinji Tsuyutani, Toshio Nozaki, Masayuki Ueda
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Publication number: 20020036171Abstract: Glycerin is effectively produced from a waste oil by a method comprising adding a strongly alkaline reducing water obtained by electrolyzing water containing sodium chloride to a waste oil selected from the group consisting of a waste edible oil, a fossil fuel waste oil and a mixture thereof, and extracting natural glycerin or synthetic glycerin by chemical reaction. Further, reusable edible oil is produced from a waste edible oil by a method comprising electrolyzing an aqueous solution having an electrolyte in an electrolytic cell, mixing a strongly alkaline reducing water generated at a cathode side of the electrolytic cell with a waste edible oil under ordinary temperature condition, and conducting oil/water separation, thereby purifying the waste edible oil to an extent such that it can be edible.Type: ApplicationFiled: January 12, 2001Publication date: March 28, 2002Applicant: Komeisha CorporationInventors: Kohji Nagasaku, Akira Matsunaga, Sungrak Jang
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Patent number: 6034261Abstract: An organic hydroxyl compound is reacted with a phosphorylating agent comprising phosphorus pentaoxide and at least one compound selected from the group consisting of water, phosphoric acid and polyphosphoric acid and having a value represented by formula (I) of from 0.5 to 1.0, under such a condition that the ratio as defined by formula (II) has a value in the range of from 2.8 to 3.2; or alternatively, an organic hydroxyl compound is reacted with the above phosphorylating agent under such a condition that the ratio as defined by formula (II) has a value in the range of from exceeding 3.2 up to 6.4 and then phosphorus pentaoxide is added to the reaction product in such an amount that the ratio as defined by formula (II) has a value in the range of from 2.8 to 3.Type: GrantFiled: February 8, 1999Date of Patent: March 7, 2000Assignee: Kao CorporationInventors: Akira Matsunaga, Akira Fujiu, Shinji Tsuyutani, Toshio Nozaki, Masayuki Ueda
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Patent number: 5545349Abstract: A bleaching composition comprising:(a) Hydrogen peroxide or peroxide that produces hydrogen peroxide in aqueous solution; and(b) An organic acid peroxide precursor that produces organic acid peroxide by reacting with said hydrogen peroxide or peroxide that produces hydrogen peroxide in aqueous solution, wherein said organic acid peroxide is represented by general formula (I): ##STR1## wherein R.sup.1 represents a straight chain or branched chain alkyl or alkenyl group having 1-5 carbon atoms, R.sup.2 represents a straight chain or branched chain alkylene group having 1-8 carbon atoms or a phenylene group that may be substituted with a straight chain or branched chain alkyl group having 1-5 carbon atoms, A represent identical or different alkylene groups having from 2 to 4 carbon atoms, and n represents an integer from 0-100.Type: GrantFiled: March 18, 1994Date of Patent: August 13, 1996Assignee: Kao CorporationInventors: Jun Kurii, Noboru Nomura, Masami Itoh, Kozo Ohira, Masaki Tsumadori, Akira Matsunaga, Akio Kimura, Shigetoshi Suzue
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Phosphoric acid ester, process for preparing the same, and detergent composition containing the same
Patent number: 5071585Abstract: Phosphoric acid esters represented by the following formulae (I) and (IX) as well as processes for preparing them are disclosed. ##STR1## wherein R.sub.1 represents a linear or branched, alkyl or alkenyl group having a C.sub.1-36 carbon atom content, with or without the hydrogen atom(s) being substituted with fluorine atom(s), or a phenyl group with substituted linear or branched alkyl group(s) having a C.sub.1-15 carbon atom content, R.sub.2 represents an alkylene group having a C.sub.2-3 carbon atom content, R.sub.3 and R.sub.4 independently denote a hydrogen atom or an alkyl group having a C.sub.1-3 carbon atom content, R.sub.5 and R.sub.6 independently denote a hydrogen atom, or an alkyl, alkenyl, or phenyl group with or without the hydrogen atom(s) being substituted with group(s) containing hetero atom(s), excepting for a mercapto group, R.sub.7 and R.sub.Type: GrantFiled: October 29, 1990Date of Patent: December 10, 1991Assignee: Kao CorporationInventors: Akira Matsunaga, Junya Wakatsuki, Nobutaka Horinishi, Takashi Imamura, Tomihiro Kurosaki -
Patent number: 5043424Abstract: A peptide or protein is modified by reacting a phosphoric acid ester represented by the following general formula (I) with a peptide or protein: ##STR1## wherein R.sub.1 means a linear or branched, C.sub.1-36 alkyl or C.sub.2-36 alkenyl group whose hydrogen atom or atoms may be substituted by the corresponding number of fluorine atom(s) or a phenyl group substituted by at least one linear or branched C.sub.1-15 alkyl group, R.sub.2 denotes a C.sub.2-3 alkylene group, m stands for a number of 0-30, and M is a hydrogen atom, an alkali metal ion, an alkaline earth metal ion, an ammonium ion, an alkylamine residue or an alkanolamine residue.Type: GrantFiled: October 21, 1988Date of Patent: August 27, 1991Assignee: Kao CorporationInventors: Akira Matsunaga, Nobutaka Horinishi, Junya Wakatsuki, Takashi Imamura, Tomihiro Kurosaki
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Phosphoric acid ester, process for preparing the same, and detergent composition containing the same
Patent number: 4985412Abstract: Phosphoric acid esters represented by the following formulae (I) and (IX) as well as processes for preparing them are disclosed. ##STR1## wherein R.sub.1 represents a linear or branched, alkyl or alkenyl group having a C.sub.1-36 carbon atom content, with or without the hydrogen atom(s) being substituted with fluorine atom(s), or a phenyl group with substituted linear or branched alkyl group(s) having a C.sub.1-15 carbon atom content, R.sub.2 represents an alkylene group having a C.sub.2-3 carbon atom content, R.sub.3 and R.sub.4 independently denote a hydrogen atom or an alkyl group having a C.sub.1-3 carbon atom content, R.sub.5 and R.sub.6 independently denote a hydrogen atom, or an alkyl, alkenyl, or phenyl group with or without the hydrogen atom(s) being substituted with group(s) containing hetero atom(s), excepting for a mercapto group, R.sub.7 and R.sub.Type: GrantFiled: October 21, 1988Date of Patent: January 15, 1991Assignee: Kao CorporationInventors: Akira Matsunaga, Junya Wakatsuki, Nobutaka Horinishi, Takashi Imamura, Tomihiro Kurosaki -
Patent number: 4845239Abstract: A novel phosphoric ester of the following formula (I) ##STR1## is prepared by reacting a phosphoric ester of the following formula (II) ##STR2## with a basic compound. By reacting the phosphoric ester (I) with various types of amine compounds or other acidic hydrogen-bearing compounds, various phospholipid analogue compounds or phosphoric esters can be derived.Type: GrantFiled: April 1, 1987Date of Patent: July 4, 1989Assignee: Kao CorporationInventors: Junya Wakatsuki, Tohru Katoh, Akira Matsunaga, Tomihiro Kurosaki
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Patent number: 4747137Abstract: A speech scrambler is disclosed, in which a frequency spectrum obtained by an orthogonal transform of a time domain signal is divided into a plurality of blocks in the frequency domain. One of the blocks which has energy less than a predetermined value is adaptively replaced by a dummy spectrum. The resulting spectrum is rearranged in accordance with a predetermined rule. The frequency spectrum is subjected to an inverse othogonal transform to obtain a time domain signal for transmission. The orthogonal transform is fast Fourier transform or fast Hadamard transform.Type: GrantFiled: June 30, 1986Date of Patent: May 24, 1988Assignee: Kokusai Denshin Denwa Kabushiki KaishaInventor: Akira Matsunaga
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Patent number: 4430664Abstract: A glass-moulded type semiconductor device comprising semiconductor arrangement composed of at least one semiconductor pellet having at least one P-N junction, edges of which are exposed to peripheral surfaces of the semiconductor pellet, a pair of electrodes secured to opposite ends of the semiconductor arrangement through a brazing material, a first mould glass layer secured to the entire circumferential surface of the semiconductor arrangement and extending to the surfaces of the electrodes for passivating the P-N junction of the semiconductor arrangement, and a second mould glass in the form of at least one layer secured to the surface of said first mould glass layer.Type: GrantFiled: September 16, 1980Date of Patent: February 7, 1984Assignee: Hitachi, Ltd.Inventors: Akira Matsunaga, Keiichi Morita
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Patent number: 4363678Abstract: An explosive having a relatively small amount of powdered ferrite magnet dispersed therethrough, each magnet particle coated with a resin coating which is stable for the explosive material on the entire outer surface thereof. The resultant explosive is readily detected by a magnetic detector and is stable for a long time storage. As the resin coating, methyl methacrylate resin, styrene resin, acrylonitril resin, butadiene resin, vinyl acetate resin, acrylic acid resin, methylacrylate resin and/or the other vinyl resin is used.The resin coating is colored to color the explosives so that explosives may be distinctly visible, readily detected and identified.Type: GrantFiled: December 17, 1980Date of Patent: December 14, 1982Assignee: Tohoku Metal IndustriesInventors: Naozumi Nishimura, Akira Matsunaga, Yasuo Ishii
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Patent number: 4148056Abstract: A glass-encapsulated semiconductor device characterized in that a rectifier unit comprises a lamination of electrically series-connected and mechanically bonded semiconductor pellets and an electric-conductive spacer, and a pair of electrodes with external lead wires which are electrically connected and mechanically bonded with said lamination by means of soldering materials, the peripheral surface of the rectifier unit is covered with a protective glass layer over the entire length from one of the electrodes to the other, said conductive spacer having such a thickness that the thermal expansion coefficient of said spacer may be equal to the average thermal expansion coefficient of a virtual laminated column of said semiconductor pellets alone.Type: GrantFiled: June 22, 1977Date of Patent: April 3, 1979Assignee: Hitachi, Ltd.Inventors: Akira Matsunaga, Kensuke Suzuki