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).

  • Patent number: 4861637
    Abstract: 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: Grant
    Filed: February 12, 1988
    Date of Patent: August 29, 1989
    Assignee: Ricoh Company, Ltd.
    Inventors: Yutaka Ueda, Eiji Noda
  • Patent number: 4854439
    Abstract: 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: Grant
    Filed: August 7, 1986
    Date of Patent: August 8, 1989
    Assignee: Murata Kikai Kabushiki Kaisha
    Inventor: Yutaka Ueda
  • Patent number: 4854453
    Abstract: 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: Grant
    Filed: July 20, 1987
    Date of Patent: August 8, 1989
    Assignee: Murata Kikai Kabushiki Kaisha
    Inventors: Yutaka Ueda, Masaharu Kiriake
  • Patent number: 4848076
    Abstract: 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: Grant
    Filed: January 26, 1988
    Date of Patent: July 18, 1989
    Assignee: Murata Kikai Kabushiki Kaisha
    Inventors: Yutaka Ueda, Shoichi Tone, Tsukasa Kawarabashi
  • Patent number: 4838019
    Abstract: 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: Grant
    Filed: August 13, 1986
    Date of Patent: June 13, 1989
    Assignee: Murata Kikai Kabushiki Kaisha
    Inventor: Yutaka Ueda
  • Patent number: 4830296
    Abstract: 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: Grant
    Filed: May 29, 1987
    Date of Patent: May 16, 1989
    Assignee: Murata Kikai Kabushiki Kaisha
    Inventors: Yutaka Ueda, Shuzo Kawamura, Toshio Yamauchi, Yoshiyuki Ichiba
  • Patent number: 4817425
    Abstract: 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: Grant
    Filed: April 20, 1987
    Date of Patent: April 4, 1989
    Assignee: Murata Kikai Kabushiki Kaisha
    Inventors: Yutaka Ueda, Toshio Yamauchi
  • Patent number: 4809919
    Abstract: 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: Grant
    Filed: October 2, 1987
    Date of Patent: March 7, 1989
    Assignee: Murata Kikai Kabushiki Kaisha
    Inventors: Yutaka Ueda, Isamu Ikeda, Masaharu Kiriake, Kazuhiko Nakada
  • Patent number: 4805846
    Abstract: 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: Grant
    Filed: April 23, 1987
    Date of Patent: February 21, 1989
    Assignee: Murata Kikai Kabushiki Kaisha
    Inventors: Yutaka Ueda, Shuzo Kawamura
  • Patent number: 4767693
    Abstract: 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: Grant
    Filed: October 2, 1987
    Date of Patent: August 30, 1988
    Assignee: Ricoh Co., Ltd.
    Inventors: Hideaki Oba, Yutaka Ueda, Tsutomu Sato, Masaakira Umehara, Michiharu Abe, Hitoshi Funakoshi, Seiko Kobayashi
  • Patent number: 4758499
    Abstract: 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: Grant
    Filed: September 5, 1986
    Date of Patent: July 19, 1988
    Assignee: Ricoh Co., Ltd.
    Inventors: Michiharu Abe, Tsutomu Sato, Hideaki Oba, Masaakira Umehara, Yutaka Ueda, Tetsu Yamamuro
  • Patent number: 4714667
    Abstract: 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: Grant
    Filed: December 12, 1985
    Date of Patent: December 22, 1987
    Assignee: Ricoh Co., Ltd.
    Inventors: Tsutomu Sato, Masaakira Umehara, Michiharu Abe, Hideaki Oba, Yutaka Ueda
  • Patent number: 4711798
    Abstract: 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: Grant
    Filed: December 16, 1986
    Date of Patent: December 8, 1987
    Assignee: Ricoh Company, Ltd.
    Inventors: Yutaka Ueda, Tetsu Yamamuro
  • Patent number: 4696892
    Abstract: 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: Grant
    Filed: February 27, 1985
    Date of Patent: September 29, 1987
    Assignee: Ricoh Co., Ltd.
    Inventors: Michiharu Abe, Masaakira Umehara, Tsutomu Sato, Hideaki Oba, Yutaka Ueda, Makoto Kunikane
  • Patent number: 4681231
    Abstract: 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: Grant
    Filed: December 2, 1983
    Date of Patent: July 21, 1987
    Assignee: Murata Kikai Kabushiki Kaisha
    Inventors: Yutaka Ueda, Masaharu Kiriake
  • Patent number: 4660370
    Abstract: 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: Grant
    Filed: January 29, 1986
    Date of Patent: April 28, 1987
    Assignee: Murata Kikai Kabushiki Kaisha
    Inventors: Isamu Matsui, Shoichi Tone, Yutaka Ueda
  • Patent number: 4656121
    Abstract: 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: Grant
    Filed: February 6, 1985
    Date of Patent: April 7, 1987
    Assignee: Ricoh Co., Ltd.
    Inventors: Tsutomu Sato, Masaakira Umehara, Michiharu Abe, Hideaki Oba, Yutaka Ueda
  • Patent number: 4553708
    Abstract: 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: Grant
    Filed: November 1, 1982
    Date of Patent: November 19, 1985
    Assignee: Murata Kikai Kabushiki Kaisha
    Inventors: Isamu Matsui, Yutaka Ueda
  • Patent number: 4527597
    Abstract: 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: Grant
    Filed: June 25, 1982
    Date of Patent: July 9, 1985
    Assignee: Murata Kikai Kabushiki Kaisha
    Inventors: Kaichiro Yoshida, Yutaka Ueda
  • Patent number: 4432197
    Abstract: 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: Grant
    Filed: December 10, 1981
    Date of Patent: February 21, 1984
    Assignee: Murata Kikai Kabushiki Kaisha
    Inventors: Yutaka Ueda, Isamu Ikeda