Patents by Inventor Shinichiro Takigawa
Shinichiro Takigawa 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: 6941060Abstract: A video and audio data converter capable of insert-edit-processing another video data and audio data in real time while reproducing produced video and audio data and a disk apparatus using the video and audio data converter are configured so that a plurality of video and audio data input and output from a plurality of external apparatuses to video and audio input/output sections are input and output while the video and audio data input and output to one video and audio input/output section is replaced with the video and audio data input and output to another video and audio input/output section in a video and audio data conversion section.Type: GrantFiled: February 24, 2000Date of Patent: September 6, 2005Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Yuji Nagaishi, Toshiharu Koshino, Toshiki Yamamura, Tsukasa Yoshiura, Shinichiro Takigawa
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Patent number: 6775466Abstract: In a disk control apparatus according to the present invention, after overwriting processing or block erasure processing is performed, index information on the fragmented recorded area is newly generated for managing the recording area, and recording start and end information is written to the video and audio data recorded on a disk apparatus, and edit processing can be easily performed by the disk control apparatus even after video and audio data recorded on the disk apparatus is overwritten with externally input video and audio data and after a part of the video and audio data is erased.Type: GrantFiled: February 25, 2000Date of Patent: August 10, 2004Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Toshiharu Koshino, Toshiki Yamamura, Yuji Nagaishi, Tsukasa Yoshiura, Shinichiro Takigawa
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Patent number: 6365771Abstract: Decane compound or decene compound shown in the formula [1] below wherein A1 and A2 are independently hydrogen or (meth)acryloyl group or 2-vinyloxyethyl group; and the dotted line is single bond or double bond with the proviso that A1 and A2 are not hydrogen at the same time; and curable resin composition containing said compound therein. The compound are suitable as the photo-monomer for resist raw materials because of high clarity at short wavelength ultraviolet light, dry etching resistance, adhesive property for the substrate and high solubility in alkaline developing solution in addition to high sensitivity and greater resolution; as the monomer for optic raw materials and disk overcoat materials because of high clarity, low birefringence and low water absorption rate; and as the monomer for the coating raw materials such as EB curable coating raw materials because of high reactivity, high wear characteristics and water resistance.Type: GrantFiled: March 14, 2001Date of Patent: April 2, 2002Assignee: Nissan Chemical Industries, Ltd.Inventors: Hideo Suzuki, Takayasu Nihira, Shinichiro Takigawa
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Publication number: 20020012978Abstract: The present invention provides a microbial transformation process for producing a hydroxyaromatic compound represented by the formula (II): 1Type: ApplicationFiled: June 27, 2001Publication date: January 31, 2002Inventors: Toru Nagasawa, Toyokazu Yoshida, Shinichiro Takigawa, Hideo Suzuki
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Patent number: 5483359Abstract: A color image scanning apparatus is disclosed which includes: an image sensor for scanning an original, the image sensor including a plurality of line sensors arranged in a sub-scanning direction; a determination circuit for determining the traveling speed of the image sensor in the sub-scanning direction in accordance with a magnification ratio of the original; a driving circuit for moving the image sensor in the sub-scanning direction at the speed determined by the determination circuit; a correction circuit for correcting the output of the image sensor to simultaneously output signals corresponding to an identical position of the original; a filter for filtering the output of the correction circuit in accordance with the magnification ratio of the original and the speed determined by the determination circuit, wherein the determination circuit determines the speed so that each distance of the plurality of line sensors arranged in the sub-scanning direction is substantially equal to an integral multiple ofType: GrantFiled: October 7, 1994Date of Patent: January 9, 1996Assignee: Matsuhita Electric Industrial Co., Ltd.Inventors: Takashi Yumiba, Shinichi Konishi, Shinichiro Takigawa
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Patent number: 5202442Abstract: A process for preparing a pyrazolecarboxylic acid compound of the formula (II): ##STR1## wherein Y and Z each represent a hydrogen, a halogen, a nitro, a cyano, COOR.sub.1, NR.sub.1 R.sub.2, CONR.sub.1 R.sub.2, SR.sub.1, SO.sub.2 NR.sub.1 R.sub.2, SO.sub.2 R.sub.3, R.sub.3 CO, OR.sub.4, CHX.sub.2 or CX.sub.3 ; A represents a hydrogen, an alkyl having 2 to 4 carbons, a phenyl, a pyridyl or OR.sub.5 ; where R.sub.1 and R.sub.2 each represent a hydrogen or an alkyl having 1 to 10 carbons; R.sub.3 represents an alkyl having 1 to 10 carbons; R.sub.4 represents a hydrogen, an alkyl having 1 to 10 carbons, a phenyl, CHF.sub.2, CF.sub.3 or CF.sub.3 CH.sub.2 ; R.sub.5 represents an alkyl having 1 to 10 carbons; and X represents a halogen, which comprises oxidizing a pyrazole compound of the formula (I): ##STR2## wherein Y, Z and A have the same meanings as above, by contacting the compound of formula (I) with an oxygen-containing gas in the presence of a metal catalyst at 20.degree. to 200.degree. C.Type: GrantFiled: June 27, 1991Date of Patent: April 13, 1993Assignee: Nissan Chemical Industries, Ltd.Inventors: Shinichiro Takigawa, Shuzo Shinke
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Patent number: 5155258Abstract: A process for producing substituted benzoic acids represented by General Formula II: ##STR1## wherein Q represents a member selected from the group consisting of hydrogen, halogen atoms, --CN, --NO.sub.2, --COOH, --COOR.sub.1, --COR.sub.1, --SR.sub.1, --SO.sub.2 R.sub.1 and --OR.sub.2 ; and Y and Z each represents a member selected from the group consisting of halogen atoms, --CN, --NO.sub.2, --COOH, --COOR.sub.1, --COR.sub.1, --SR.sub.1, --SO.sub.2 R.sub.1 and --OR.sub.2 (in which R.sub.1 represents an alkyl group containing 1 to 10 carbon atoms; and R.sub.2 represents an alkyl group containing 1 to 10 carbon atoms or a phenyl group which may be substituted), which comprises oxidizing a substituted toluene represented by General Formula I: ##STR2## wherein W represents a member selected from the group consisting of hydrogen, halogen atoms, --CH.sub.3, --CN, --NO.sub.2, --COOH, --COOR.sub.1, --COR.sub.1, --SR.sub.1, --SO.sub.2 R.sub.1 and --OR.sub.Type: GrantFiled: May 14, 1991Date of Patent: October 13, 1992Assignee: Nissan Chemical Industries, Ltd.Inventors: Yoshio Kamiya, Shigeru Futamura, Shinichiro Takigawa, Norio Tanaka, Shuzo Shinke
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Patent number: 5053517Abstract: There is disclosed a process for preparing a pyrazolecarboxylic acid derivative represented by the formula (II): ##STR1## wherein Y and Z each represent a hydrogen atom, a halogen atom, a nitro group, a cyano group, COOR.sub.1, NR.sub.1 R.sub.2, CONR.sub.1 R.sub.2, SR.sub.1, SO.sub.2 NR.sub.1 R.sub.2, SO.sub.2 R.sub.3, R.sub.3 CO, OR.sub.4, CHX.sub.2 or CX.sub.3 ; A represents a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, a substituted or unsubstituted phenyl group, a substituted or unsubstituted pyridyl group or OR.sub.5 ; where R.sub.1 and R.sub.2 each represent a hydrogen atom or an alkyl group having 1 to 10 carbon atoms; R.sub.3 represents an alkyl group having 1 to 10 carbon atoms; R.sub.4 represents a hydrogen atom, an alkyl group having 1 to 10 carbon atoms, a substituted or unsubstituted phenyl group, CHF.sub.2, CF.sub.3 or CF.sub.3 CH.sub.2 ; R.sub.Type: GrantFiled: June 16, 1989Date of Patent: October 1, 1991Assignee: Nissan Chemical Industries, Ltd.Inventors: Shinichiro Takigawa, Shuzo Shinke
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Patent number: 4906764Abstract: A process for producing a phosphinylamino acid derivative of the formula: ##STR1## wherein R.sup.1 is a lower alkyl group, R.sup.2 is a hydrogen atom, a lower alkyl group, a halo-lower alkyl group or a substituted or unsubstituted phenyl group, and R.sup.3 is a substituted or unsubstituted alkyl group or a substituted or unsubstituted phenyl group, which comprises reacting a compound of the formula: ##STR2## wherein R.sup.1 and R.sup.2 are as defined above, and/or a compound of the formula: ##STR3## wherein R.sup.1 and R.sup.2 are as defined above, with a compound of the formula:R.sup.3 CONH.sub.2 (IV)wherein R.sup.3 is as defined above, carbon monoxide and hydrogen in the presence of a catalyst containing a metal of group VIII of the Periodic Table.Type: GrantFiled: May 13, 1988Date of Patent: March 6, 1990Assignee: Nissan Chemical Industries Ltd.Inventors: Hideki Takamatsu, Hiroyuki Mutoh, Fumio Suzuki, Shinichiro Takigawa
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Patent number: 4447661Abstract: In a process for producing an alcohol by hydroformylation comprises reacting a straight chained, branched or alicyclic mono-olefin having from 3 to 20 carbon atoms with carbon monoxide and hydrogen to form an alcohol having carbon atoms greater in number by one than the carbon atoms of the mono-olefin, the improvement comprises(a) a fist step in which the mono-olefin is hydroformylated with use of a cobalt catalyst in the presence of a gas mixture of carbon monoxide and hydrogen at a high temperature under high pressure to selectively form an aldehyde at a conversion of the mono-olefin being from 50 to 95 mol % while suppressing the formation of an alcohol, and the cobalt catalyst is then removed from the unreacted olefin and the formed aldehyde by decomposition or extraction, and(b) a second step in which the mixture of the unreacted mono-olefin and the formed aldehyde freed from the cobalt catalyst in the first step is reacted with a gas mixture of carbon monoxide and hydrogen with use of a cobalt organophoType: GrantFiled: September 7, 1982Date of Patent: May 8, 1984Assignee: Nissan Chemical Industries Ltd.Inventors: Satoshi Hoshiyama, Hiroyuki Muto, Shuzo Shinke, Kanji Otsuka, Shinichiro Takigawa, Hiroyuki Yamazaki
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Patent number: 4283586Abstract: An aliphatic, cycloaliphatic or aromatic polyol is incorporated in a catalyst of an organoaluminum halide and a nickel compound. The catalyst is used for a dimerization or codimerization of a lower monoolefin to improve a reaction velocity and a stability in the reaction.Type: GrantFiled: April 4, 1980Date of Patent: August 11, 1981Assignee: Nissan Chemical Industries, Ltd.Inventors: Masahito Yoshimura, Satoshi Hoshiyama, Hideki Takamatsu, Hiroshi Kobayashi, Shinichiro Takigawa