Patents by Inventor Yutaka Ueda
Yutaka Ueda 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: 4861637Abstract: An optical information recording medium comprises a pair of substrates, with a recording layer comprising an organic dye being formed on one side of at least one substrate, fixed to each other through or without through a spacer and by an adhesive agent, in such a manner that the recording layer comes between the substrates, the adhesive agent comprising:(a) a compound of formula (I), ##STR1## wherein L.sup.1 represents ##STR2## L.sup.2 represents ##STR3## R.sup.1 represents a methyl group or an ethyl group, and k is an integer of 1 to 4; and(b) one compound of selected from the group consisting of: a compound of formula (II), ##STR4## wherein R.sup.2 represents hydrogen or a methyl group, and l is an integer of 3 to 15, a compound of formula (III),CH.sub.2 .dbd.CHCOO--CH.sub.2).sub.l' OCOCH.dbd.CH.sub.2 (III)wherein l' is an integer of 4 to 6, and a mixture of the two compounds.Type: GrantFiled: February 12, 1988Date of Patent: August 29, 1989Assignee: Ricoh Company, Ltd.Inventors: Yutaka Ueda, Eiji Noda
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Patent number: 4854439Abstract: A doffed package transporting system in which a memory member on which a mark of a type of a package supported on a package supporting member provided on a package transporting line can be erasably written is securely mounted on the supporting member, and a writing device for writing a mark of a type of a package on said memory member is located at a position at which a package is transferred onto the package supporting member while a reading device for reading the thus written mark of a type of a package is located at a position at which a package is unloaded from the supporting member.Type: GrantFiled: August 7, 1986Date of Patent: August 8, 1989Assignee: Murata Kikai Kabushiki KaishaInventor: Yutaka Ueda
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Patent number: 4854453Abstract: A cop selecting and conveying apparatus for an automatic winder in which winding units are divided into a plurality of winding sections and different kinds of cops carried on carrying mediums are transferred on the conveying passage to each of the winding sections. A indicia is formed in either the carrying medium or the guide member at the side of the conveying passage and a device for discriminating or detecting the discrimination indicia is disposed at a position to corresponding to the indicia.Type: GrantFiled: July 20, 1987Date of Patent: August 8, 1989Assignee: Murata Kikai Kabushiki KaishaInventors: Yutaka Ueda, Masaharu Kiriake
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Patent number: 4848076Abstract: An automatic winder and a two-for-one twisting machine are interconnected by a yarn supply package exchanging device for a set of two packages arranged in two upper and lower stages which is located between the automatic winder and the two-for-one twisting machine. Doffed packages at the winder side are put on a yarn support fitted on a tray by the yarn supply package exchanging device and are transported and supplied to a spindle of the two-for-one twisting machine.Type: GrantFiled: January 26, 1988Date of Patent: July 18, 1989Assignee: Murata Kikai Kabushiki KaishaInventors: Yutaka Ueda, Shoichi Tone, Tsukasa Kawarabashi
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Patent number: 4838019Abstract: A spinning frame control system in which a spinning frame is connected with a winder by means of a bobbin conveyance path and an empty bobbin return path. Identification marks in the form of concentric circles are fixed onto conveyance mediums for conveying spinning bobbins each independently, and readers for the identification mark are disposed in the bobbin feed position from the spinning frame to the conveyance mediums and also in the return path of bobbins discharged from the winder.Type: GrantFiled: August 13, 1986Date of Patent: June 13, 1989Assignee: Murata Kikai Kabushiki KaishaInventor: Yutaka Ueda
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Patent number: 4830296Abstract: In an automatic winder having a plurality of winding units, a tension sensor for detecting the tension of yarn is provided in a yarn travelling path extending between a yarn feed side bobbin and a take-up side package. A take-up controller for controlling the yarn take-up rate in accordance with a signal provided from the tension sensor may be provided to the winding unit.Type: GrantFiled: May 29, 1987Date of Patent: May 16, 1989Assignee: Murata Kikai Kabushiki KaishaInventors: Yutaka Ueda, Shuzo Kawamura, Toshio Yamauchi, Yoshiyuki Ichiba
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Patent number: 4817425Abstract: A method of detecting a defect of a running yarn comprises steps of producing an electric signal in accordance with a winding speed of a yarn, correcting a reference value corresponding to a length of a defect of a yarn in accordance with the electric signal, and comparing the thus corrected reference value with a detection signal produced from a yarn defect detecting head thereby to detect a defect of the yarn included in the yarn during feeding.Type: GrantFiled: April 20, 1987Date of Patent: April 4, 1989Assignee: Murata Kikai Kabushiki KaishaInventors: Yutaka Ueda, Toshio Yamauchi
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Patent number: 4809919Abstract: In an automatic winder comprising plural winding units, a preset yarn quantity per lot and a residual quantity of yarn to be taken up are grasped upon generation of a full-loaded signal, then the number of operating winding units is decreased gradually, allowing operation of only winding unit or units of a number corresponding to the residual quantity of yarn to be taken up.Type: GrantFiled: October 2, 1987Date of Patent: March 7, 1989Assignee: Murata Kikai Kabushiki KaishaInventors: Yutaka Ueda, Isamu Ikeda, Masaharu Kiriake, Kazuhiko Nakada
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Patent number: 4805846Abstract: In an automatic winder, an independent winding controlling means for adjusting a speed of winding of a yarn is provided for each of winding units of the automatic winder so that a break of a yarn due to a rapid increase of the yarn tension can be prevented.Type: GrantFiled: April 23, 1987Date of Patent: February 21, 1989Assignee: Murata Kikai Kabushiki KaishaInventors: Yutaka Ueda, Shuzo Kawamura
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Patent number: 4767693Abstract: This invention provides an optical information recording medium that has, on a substrate, a recording layer containing a cyanine dye represented by the general formula: ##STR1## (wherein, R.sub.1, R.sub.2 and R.sub.3 may be the same or different and each stands for a substituted or unsubstituted alkyl group; X stands for a perhalogenate ion, a toluenesulfonate ion or an alkylsulfate ion; n stands for an integrer of 0 or 1-3; a first halogen atom is present in at least one of each 4, 6 and 7-positions of the indole and indolenine rings; a second halogen atom may be present in each 5-position of said rings; and at lest one group consisting of alkyl, alkoxy, hydroxy, carboxy, allyl and alkylcarbonyl may be present in at least one of each 4, 5, 6 and 7-positions of said rings.) and, if necessary, a transition metal complex or a salt of said complex with a cation.Type: GrantFiled: October 2, 1987Date of Patent: August 30, 1988Assignee: Ricoh Co., Ltd.Inventors: Hideaki Oba, Yutaka Ueda, Tsutomu Sato, Masaakira Umehara, Michiharu Abe, Hitoshi Funakoshi, Seiko Kobayashi
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Patent number: 4758499Abstract: This invention relates to an optical information recording medium, characterized by having an organic thin film recording layer containing at least one of triaryl methane type coloring matters expressed by the general formula (1), (2) or (3): ##STR1## (wherein, in the above formulas (1) and (2), Ar.sub.1, Ar.sub.2 and Ar.sub.3 may be the same or different and represent a substituted or non-substituted arylene group, at least one pair of optical two nitrogen atoms bonded with said arylene groups being connected by an atomic chain having at least ten carbon atoms in total number in the shortest way; R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6 and R.sub.Type: GrantFiled: September 5, 1986Date of Patent: July 19, 1988Assignee: Ricoh Co., Ltd.Inventors: Michiharu Abe, Tsutomu Sato, Hideaki Oba, Masaakira Umehara, Yutaka Ueda, Tetsu Yamamuro
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Patent number: 4714667Abstract: The present invention relates to an optical information recording medium comprising a recording layer applied directly on a substrate or applied on a substrate by intervening an underlayer therebetween, and further comprising a protective layer on said recording layer if necessary, characterized in that said recording layer contains at least one of the compounds expressed by the following general formula (I) or (II): ##STR1## (wherein in the above formulas, X.sub.1 to X.sub.3 represent O, S or Se; A.sup.- represents an anion; l, m or n represents 0 or 1; R.sub.4 represents a substituted or non-substituted aryl group or heterocyclic group; R.sub.3, R.sub.5, R.sub.6, R.sub.9, R.sub.10 and R.sub.11 represent hydrogen or an alkyl group; R.sub.1, R.sub.2, R.sub.7, R.sub.8, R.sub.12, and R.sub.13 represent hydrogen or a substituted or non-substituted alkyl, aryl or styryl group; Z.sub.1, Z.sub.3 and Z.sub.Type: GrantFiled: December 12, 1985Date of Patent: December 22, 1987Assignee: Ricoh Co., Ltd.Inventors: Tsutomu Sato, Masaakira Umehara, Michiharu Abe, Hideaki Oba, Yutaka Ueda
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Patent number: 4711798Abstract: An optical information recording medium comprising a pair of substrates, with a recording layer comprising an organic dye being formed on one side of at least one substrate, fixed to each other through or without through a spacer and by an adhesive agent, in such a manner that the recording layer comes between the substrates, the adhesive agent comprising a compound of formula (I), ##STR1## wherein .phi. represents ##STR2## (l=0 or 1) or ##STR3## in which R represents a methyl group or an ethyl group, m is an integer of 1 to 4, and n is an integer of 2 to 4; and a compound of formula (II), ##STR4## wherein n is an integer of 4 to 8, to which a compound of formula (III) may be added, ##STR5## wherein L represents --CH.sub.2 CH.sub.2 O.sub.m (m=1 to 4) or --CH.sub.2 C(OH)HCH.sub.2 O--, R.sup.1 represents --C.sub.n H.sub.2n+1 (n=4 to 12), R.sup.2 represents Cl or Br (n=0, 1 or 2).Type: GrantFiled: December 16, 1986Date of Patent: December 8, 1987Assignee: Ricoh Company, Ltd.Inventors: Yutaka Ueda, Tetsu Yamamuro
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Patent number: 4696892Abstract: This invention relates to an optical information recording medium, characterized in that on a substrate there is applied a coloring matter film chemically inert to said substrate, said coloring matter film having an extinction coefficient of at least 1.Type: GrantFiled: February 27, 1985Date of Patent: September 29, 1987Assignee: Ricoh Co., Ltd.Inventors: Michiharu Abe, Masaakira Umehara, Tsutomu Sato, Hideaki Oba, Yutaka Ueda, Makoto Kunikane
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Patent number: 4681231Abstract: A cop selecting and conveying apparatus for an automatic winder is disclosed in which winding units are divided into a plurality of winding sections and different kinds of cops carried on carrying mediums are transferred on the conveying passage to each winding sections. A discrimination indicator is formed in either the carrying medium or the guide member at the side of the conveying passage and a device for discriminating or detecting the discrimination indicator is disposed at a position to corresponding to the indicator.Type: GrantFiled: December 2, 1983Date of Patent: July 21, 1987Assignee: Murata Kikai Kabushiki KaishaInventors: Yutaka Ueda, Masaharu Kiriake
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Patent number: 4660370Abstract: A spinning frame control system in which identification marks are affixed to spinning bobbins produced by a spinning frame to identify the spinning units which have produced the bobbins, respectively, while on a winder side, yarn quality data are provided on the basis of the bobbin identification marks and fed back to the spinning frame side.Type: GrantFiled: January 29, 1986Date of Patent: April 28, 1987Assignee: Murata Kikai Kabushiki KaishaInventors: Isamu Matsui, Shoichi Tone, Yutaka Ueda
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Patent number: 4656121Abstract: This invention relates to an optical information recording medium having an organic thin film recording layer, and optionally having an underlayer and/or protective layer, characterized in that at least one of said recording layer, underlayer and protective layer contains a compound expressed by the general formula (1), ##STR1## wherein R represents hydrogen or a lower alkyl group; X represents acid anion; m represents 0, 1 or 2; and A represents ##STR2## (n being 1 or 2) or ##STR3## (when m is 2); all the aromatic rings optionally having a substituent selected from the group of a lower alkyl group, lower alkoxy group, halogen and hydroxyl group.Type: GrantFiled: February 6, 1985Date of Patent: April 7, 1987Assignee: Ricoh Co., Ltd.Inventors: Tsutomu Sato, Masaakira Umehara, Michiharu Abe, Hideaki Oba, Yutaka Ueda
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Patent number: 4553708Abstract: The number of yarn knots while a package is being wound is detected and stored, and compared with a preset number of yarn knots for a single package. When the stored number of yarn knots is greater than the preset number, a signal is produced which is indicative of a defective package. The defective package is sorted out and discharged on a conveyor by a processing unit under the control of the produced signal.Type: GrantFiled: November 1, 1982Date of Patent: November 19, 1985Assignee: Murata Kikai Kabushiki KaishaInventors: Isamu Matsui, Yutaka Ueda
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Patent number: 4527597Abstract: Dobby for a weaving loom in which control of the operative and non-operative positions of retaining hooks or hook arms which are engaged with and disengaged from hooks of heald frame-driving levers to actuate desired heald frame is electrically performed through solenoids corresponding to the respective levers, which are actuated by an electronic control system having a micro-computer.Type: GrantFiled: June 25, 1982Date of Patent: July 9, 1985Assignee: Murata Kikai Kabushiki KaishaInventors: Kaichiro Yoshida, Yutaka Ueda
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Patent number: 4432197Abstract: A method for preventing abnormal splicing. When two or more yarns are sucked from the package by the suction arm or when a slab or other disorder is detected by the detecting device, the yarn is cut in response to a yarn cutting signal from the detecting device, and after completion of the splicing operation, the yarn is forcibly cut again and the splicing operation is conducted again.Type: GrantFiled: December 10, 1981Date of Patent: February 21, 1984Assignee: Murata Kikai Kabushiki KaishaInventors: Yutaka Ueda, Isamu Ikeda