Patents by Inventor Keiko Yamada

Keiko Yamada 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: 10337880
    Abstract: A burden estimation device includes a state space configuration unit, a history learning unit acquiring from the user and storing in a storage unit data related to the burden on the user when the user travels to the destination along the travel route, an individual burden estimation unit evaluating a total travel burden and estimating an individual burden that is the burden on the user in correspondence with each of the states included in the state space through reinforcement learning that sets the total travel burden as a reward, and a total travel burden estimation unit estimating the total travel burden corresponding to an unknown travel route based on the estimated individual burden if the unknown travel route is set and the individual burden has already been estimated for at least some of the states defined in correspondence with the unknown travel route.
    Type: Grant
    Filed: December 5, 2017
    Date of Patent: July 2, 2019
    Assignee: TOYOTA JIDOSHA KABUSHIKI
    Inventors: Ko Koga, Takuji Yamada, Keiko Suzuki
  • Publication number: 20190159510
    Abstract: A portable package including an inhaling flavor product including a flavor base material configured by a non-tobacco material, a tobacco raw material that has undergone an alkali treatment and emits an inhaling flavor component as a vapor phase, and a container portion that contains the tobacco raw material and the flavor base material, wherein the container portion limits a movement of at least one of the tobacco raw material and the flavor base material so as to maintain the tobacco raw material and the flavor base material in a non-contacting state, and the tobacco raw material and the flavor base material are arranged within a same space constructed by the container portion
    Type: Application
    Filed: January 31, 2019
    Publication date: May 30, 2019
    Applicant: JAPAN TOBACCO INC.
    Inventors: Takuma NAKANO, Keiko FUJII, Kimitaka UCHII, Manabu YAMADA
  • Patent number: 10007099
    Abstract: A variable-magnification optical system has five lens groups, namely, from object side, positive, negative, positive, positive, and negative lens groups, and achieves magnification variation by varying all axial distances between the lens groups. Focusing is achieved by moving the fourth lens group along an optical axis. Vibration correction is achieved by moving all or part of the fifth lens group perpendicularly to the optical axis. Fulfilled are formulae 4.0<|f1/f2|<6.0, 1.0<f4/f1<1.5, and 2.0<|f4/fv|<4.0, f1 representing a focal length of the first lens group, f2 a focal length of the second lens group, f4 a focal length of the fourth lens group, and fv a focal length of the vibration correction group.
    Type: Grant
    Filed: June 15, 2016
    Date of Patent: June 26, 2018
    Assignee: Konica Minolta, Inc.
    Inventors: Keiko Yamada, Yoshihito Souma
  • Patent number: 9709782
    Abstract: An image-capturing optical system includes: a positive first lens group; and a positive second lens group, wherein the positive first lens group and the positive second lens group are arranged in order from an object side in the image-capturing optical system, the image-capturing optical system focuses on a close object by moving the second lens group as a whole along a light axis toward the object side, a lens closest to the object side in the second lens group has a convex surface facing the object side, a lens closest to an image side in the second lens group is a positive meniscus lens having a convex surface facing the image side, the image-capturing optical system satisfies following condition expressions (1) to (3) 2.2<1Gr_Fl/FL<3.8??(1) 0.9<2Gr_Fl/FL<1.5??(2), and 0.45<1Gr_R_nop/1Gr_Thi<0.85??(3).
    Type: Grant
    Filed: April 24, 2015
    Date of Patent: July 18, 2017
    Assignee: Konica Minolta, Inc
    Inventor: Keiko Yamada
  • Publication number: 20160291299
    Abstract: A variable-magnification optical system has five lens groups, namely, from object side, positive, negative, positive, positive, and negative lens groups, and achieves magnification variation by varying all axial distances between the lens groups. Focusing is achieved by moving the fourth lens group in optical axis direction. Vibration correction is achieved by moving all or part of the fifth lens group perpendicularly to optical axis. Fulfilled are formulae 4.0<|f1/f2|<6.0, 1.0<f4/f1<1.5, and 2.0<|f4/fv|<4.0, f1 representing a focal length of the first lens group, f2 a focal length of the second lens group, f4 a focal length of the fourth lens group, and fv a focal length of the vibration correction group.
    Type: Application
    Filed: June 15, 2016
    Publication date: October 6, 2016
    Inventors: Keiko Yamada, Yoshihito Souma
  • Patent number: 9411139
    Abstract: An imaging optical system includes first to third lens groups, and performs focusing by moving the second lens group, to satisfy the following conditional expressions: 0.8<1Gr_Fl/FL<1.2, 0.6<|2Gr_Fl/FL|<2.5, 0.6<3Gr_Fl/FL<1.8 0.8<1Gr_R_nop/1Gr_Thi<1.1, and ?0.6<2Gr_R_nop/2Gr_Thi<1.6 where FL, 1Gr_Fl, 2Gr_Fl, and 3Gr_Fl represent focal lengths of the entire system, and the first to third lens groups, respectively, 1Gr_R_nop represents a distance from the outermost surface of the first lens group on the object side to a rear principal point of the first lens group, 1Gr_Thi represents a total length of the first lens group, 2Gr_R_nop represents a distance from the outermost surface of the second lens group on the object side to a rear principal point of the second lens group, and 2Gr_Thi represents a total length of the second lens group.
    Type: Grant
    Filed: June 19, 2015
    Date of Patent: August 9, 2016
    Assignee: Konica Minolta, Inc.
    Inventor: Keiko Yamada
  • Patent number: 9395524
    Abstract: A variable-magnification optical system has five lens groups, namely, from object side, positive, negative, positive, positive, and negative lens groups, and achieves magnification variation by varying all axial distances between the lens groups. Focusing is achieved by moving the fourth lens group in optical axis direction. Vibration correction is achieved by moving all or part of the fifth lens group perpendicularly to optical axis. Fulfilled are formulae 4.0<|f1/f2|<6.0, 1.0<f4/f1<1.5, and 2.0<|f4/fv|<4.0, f1 representing a focal length of the first lens group, f2 a focal length of the second lens group, f4 a focal length of the fourth lens group, and fv a focal length of the vibration correction group.
    Type: Grant
    Filed: June 6, 2014
    Date of Patent: July 19, 2016
    Assignee: KONICA MINOLTA, INC.
    Inventors: Keiko Yamada, Yoshihito Souma
  • Patent number: 9310582
    Abstract: Provided is an image pickup lens that despite being small is favorably corrected for aberrations and has a five element configuration that is wide angle and has a bright F-number also provided is an image pickup device and a portable terminal using the image pickup lens. The image surface side of the fifth lens has an aspherical shape, has an inflection point at a position other than a position that intersects with the light axis, and satisfies the following formulae: ?5.0<(r1+r2)/(r1?r2)??1.0 (1); 0.90<f1/f<1.70 (2); 0.35<?DL13/f<0.55 (3). Provided that r1: curvature radius of the first lens object side surface, r2: curvature radius of the first lens image side surface, f1: focal distance of the first lens, f: focal distance of the entire image pickup lens system, ?DL13: distance on the optical axis from object side surface of the first lens to image side surface of the third lens.
    Type: Grant
    Filed: September 10, 2012
    Date of Patent: April 12, 2016
    Assignee: Konica Minolta, Inc.
    Inventors: Eigo Sano, Keiko Yamada
  • Publication number: 20150370044
    Abstract: An imaging optical system includes first to third lens groups, and performs focusing by moving the second lens group, to satisfy the following conditional expressions: 0.8<1Gr—Fl/FL<1.2, 0.6<|2Gr—Fl/FL|<2.5, 0.6<3Gr—Fl/FL<1.8 0.8<1Gr—R—nop/1Gr—Thi<1.1, and ?0.6<2Gr—R—nop/2Gr—Thi<1.6 where FL, 1Gr_Fl, 2Gr_Fl, and 3Gr_Fl represent focal lengths of the entire system, and the first to third lens groups, respectively, 1Gr_R_nop represents a distance from the outermost surface of the first lens group on the object side to a rear principal point of the first lens group, 1Gr_Thi represents a total length of the first lens group, 2Gr_R_nop represents a distance from the outermost surface of the second lens group on the object side to a rear principal point of the second lens group, and 2Gr_Thi represents a total length of the second lens group.
    Type: Application
    Filed: June 19, 2015
    Publication date: December 24, 2015
    Inventor: Keiko YAMADA
  • Publication number: 20150309293
    Abstract: An image-capturing optical system includes: a positive first lens group; and a positive second lens group, wherein the positive first lens group and the positive second lens group are arranged in order from an object side in the image-capturing optical system, the image-capturing optical system focuses on a close object by moving the second lens group as a whole along a light axis toward the object side, a lens closest to the object side in the second lens group has a convex surface facing the object side, a lens closest to an image side in the second lens group is a positive meniscus lens having a convex surface facing the image side, the image-capturing optical system satisfies following condition expressions (1) to (3) 2.2<1Gr—Fl/FL<3.8??(1) 0.9<2Gr—Fl/FL<1.5??(2), and 0.45<1Gr—R—nop/1Gr—Thi<0.85??(3).
    Type: Application
    Filed: April 24, 2015
    Publication date: October 29, 2015
    Inventor: Keiko YAMADA
  • Patent number: 9116325
    Abstract: An imaging lens system includes, from the object side, an aperture stop, a positive first lens convex to the object side, a negative second lens, a positive third lens convex to the object side, a positive meniscus fourth lens convex to the image side, and a negative biconcave fifth lens, and fulfills the conditional formulae 0.8<f/f1<1.30, 0.5<f4/f1<0.90, 0.6<d4/d3<2.0, and 0.80<R3_1/f<2.20, where f is the focal length of the entire imaging lens system, f1 and f4 are the focal lengths of the first and fourth lenses, d3 is the axial thickness of the second lens, d4 is the axial aerial distance between the second and third lenses, and R3_1 is the radius of curvature of the object-side surface of the third lens on the optical axis.
    Type: Grant
    Filed: May 14, 2013
    Date of Patent: August 25, 2015
    Assignee: KONICA MINOLTA, INC.
    Inventor: Keiko Yamada
  • Patent number: 9044950
    Abstract: A printing apparatus that includes a head unit in which a plurality of heads are disposed so that parts of nozzle rows overlap with each other between the heads and a control unit configured to make the head unit execute a specified operation for forming flushing dots other than image formation dots on a print medium by discharging liquid through the nozzles. The control unit makes the head unit execute the specified operation in which a liquid amount discharged in the specified operation per nozzle that does not belong to an overlap area where parts of the nozzle rows overlap with each other between the heads is larger in a set movement distance thereof than a liquid amount discharged in the specified operation per nozzle that belongs to the overlap area in a set movement distance thereof, if a specified condition for execution of the specified operation is satisfied.
    Type: Grant
    Filed: November 12, 2013
    Date of Patent: June 2, 2015
    Assignee: Seiko Epson Corporation
    Inventors: Akito Sato, Satoshi Yamazaki, Keiko Yamada, Yuko Yamamoto
  • Patent number: 8955933
    Abstract: A printing apparatus which can form an image formation dot for printing an image defined as an object to be printed on a printing medium, the printing apparatus comprising a line head which includes a nozzle array arraying a plurality of nozzles, by moving at least one of a printing medium and the head, in a direction intersecting a direction relatively changing a position of the printing medium and the head and a control unit which performs a specific operation forming a flushing dot besides the image formation dot by discharging a liquid on the line head, wherein, when a specific condition increasing viscosity of the liquid is satisfied, the control unit performs the specific operation of discharging the liquid to the printing medium and the specific operation of discharging the liquid to a place other than the printing medium.
    Type: Grant
    Filed: November 12, 2013
    Date of Patent: February 17, 2015
    Assignee: Seiko Epson Corporation
    Inventors: Akito Sato, Satoshi Yamazaki, Keiko Yamada, Yuko Yamamoto
  • Publication number: 20140362259
    Abstract: A variable-magnification optical system has five lens groups, namely, from object side, positive, negative, positive, positive, and negative lens groups, and achieves magnification variation by varying all axial distances between the lens groups. Focusing is achieved by moving the fourth lens group in optical axis direction. Vibration correction is achieved by moving all or part of the fifth lens group perpendicularly to optical axis. Fulfilled are formulae 4.0<|f1/f2|<6.0, 1.0<f4/f1<1.5, and 2.0<|f4/fv|<4.0, f1 representing a focal length of the first lens group, f2 a focal length of the second lens group, f4 a focal length of the fourth lens group, and fv a focal length of the vibration correction group.
    Type: Application
    Filed: June 6, 2014
    Publication date: December 11, 2014
    Applicant: KONICA MINOLTA, INC.
    Inventors: Keiko YAMADA, Yoshihito Souma
  • Publication number: 20140340568
    Abstract: Provided is an image pickup lens that despite being small is favorably corrected for aberrations and has a five element configuration that is wide angle and has a bright F-number also provided is an image pickup device and a portable terminal using the image pickup lens. The image surface side of the fifth lens has an aspherical shape, has an inflection point at a position other than a position that intersects with the light axis, and satisfies the following formulae: ?5.0<(r1+r2)/(r1?r2)??1.0 (1); 0.90<f1/f<1.70 (2); 0.35<?DL13/f<0.55 (3). Provided that r1: curvature radius of the first lens object side surface, r2: curvature radius of the first lens image side surface, f1: focal distance of the first lens, f: focal distance of the entire image pickup lens system, ?DL13: distance on the optical axis from object side surface of the first lens to image side surface of the third lens.
    Type: Application
    Filed: September 10, 2012
    Publication date: November 20, 2014
    Inventors: Eigo Sano, Keiko Yamada
  • Patent number: 8882227
    Abstract: A liquid discharge apparatus, comprising: a transportation unit that transports a medium; a head that includes a first nozzle array on which nozzles for discharging a first liquid are arrayed, and a second nozzle array on which nozzles for discharging a second liquid are arrayed; and a controller that controls the transportation unit and the head based on print data, wherein, in a case where the printing of the print data is designated to be performed without forming the printing dots of the first liquid on the medium, the controller causes the head to discharge the second liquid from the second nozzle array to form the printing dots of the second liquid on the medium, and causes the head to discharge the first liquid from the first nozzle array to form the flushing dots of the first liquid on the medium.
    Type: Grant
    Filed: November 19, 2013
    Date of Patent: November 11, 2014
    Assignee: Seiko Epson Corporation
    Inventors: Akito Sato, Satoshi Yamazaki, Keiko Yamada, Yuko Yamamoto
  • Publication number: 20140152730
    Abstract: A printing apparatus that includes a head unit in which a plurality of heads are disposed so that parts of nozzle rows overlap with each other between the heads and a control unit configured to make the head unit execute a specified operation for forming flushing dots other than image formation dots on a print medium by discharging liquid through the nozzles. The control unit makes the head unit execute the specified operation in which a liquid amount discharged in the specified operation per nozzle that does not belong to an overlap area where parts of the nozzle rows overlap with each other between the heads is larger in a set movement distance thereof than a liquid amount discharged in the specified operation per nozzle that belongs to the overlap area in a set movement distance thereof, if a specified condition for execution of the specified operation is satisfied.
    Type: Application
    Filed: November 12, 2013
    Publication date: June 5, 2014
    Applicant: Seiko Epson Corporation
    Inventors: Akito Sato, Satoshi Yamazaki, Keiko Yamada, Yuko Yamamoto
  • Publication number: 20140139577
    Abstract: A printing apparatus which can form an image formation dot for printing an image defined as an object to be printed on a printing medium, the printing apparatus comprising a line head which includes a nozzle array arraying a plurality of nozzles, by moving at least one of a printing medium and the head, in a direction intersecting a direction relatively changing a position of the printing medium and the head and a control unit which performs a specific operation forming a flushing dot besides the image formation dot by discharging a liquid on the line head, wherein, when a specific condition increasing viscosity of the liquid is satisfied, the control unit performs the specific operation of discharging the liquid to the printing medium and the specific operation of discharging the liquid to a place other than the printing medium.
    Type: Application
    Filed: November 12, 2013
    Publication date: May 22, 2014
    Applicant: Seiko Epson Corporation
    Inventors: Akito Sato, Satoshi Yamazaki, Keiko Yamada, Yuko Yamamoto
  • Publication number: 20140139580
    Abstract: A liquid discharge apparatus, comprising: a transportation unit that transports a medium; a head that includes a first nozzle array on which nozzles for discharging a first liquid are arrayed, and a second nozzle array on which nozzles for discharging a second liquid are arrayed; and a controller that controls the transportation unit and the head based on print data, wherein, in a case where the printing of the print data is designated to be performed without forming the printing dots of the first liquid on the medium, the controller causes the head to discharge the second liquid from the second nozzle array to form the printing dots of the second liquid on the medium, and causes the head to discharge the first liquid from the first nozzle array to form the flushing dots of the first liquid on the medium.
    Type: Application
    Filed: November 19, 2013
    Publication date: May 22, 2014
    Applicant: Seiko Epson Corporation
    Inventors: Akito SATO, Satoshi YAMAZAKI, Keiko YAMADA, Yuko YAMAMOTO
  • Patent number: 8654242
    Abstract: Provided is a single-focus optical system which is configured, in order from the object side to the image side, of a first to third lens groups and in which the first lens group and the third lens group are fixed with respect to a predetermined imaging surface, and the second lens group is moved in the optical axis direction to focus, wherein the first lens group comprises at least one positive lens and at least one negative lens, the second lens group comprises at least one positive lens, the third lens group comprises at least one lens having at least one aspheric surface and having a positive optical power at a peripheral portion thereof and 5<|?v1|<70 is satisfied where ?v1 is a maximum value of the Abbe number difference between the positive lens and the negative lens in the first lens group.
    Type: Grant
    Filed: August 25, 2010
    Date of Patent: February 18, 2014
    Assignee: Konica Minolta Opto, Inc.
    Inventors: Keiji Matsusaka, Taizo Wakimura, Masashi Isono, Eigo Sano, Keiko Yamada, Hiroaki Tanaka