Patents by Inventor Yukio Yamamoto

Yukio Yamamoto 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).

  • Publication number: 20050148212
    Abstract: A door harness mounting device in a door inner panel of a vehicle, the door inner panel including an internal face facing the compartment of the vehicle, a mounting panel mountable on the internal face, an edge face facing the body panel of the vehicle and a weather strip extending on the edge face. The device includes a grommet including a bellows portion and an elastic device which at least includes an elastic portion and a panel-fixing portion, such that the door harness can fit into the grommet and be installed closer to the internal face than a weather strip. The panel-fixing portion is adapted to engage with the mounting panel, such that the elastic device can be mounted on the mounting panel, and the mounting panel is adapted to engage with the internal face, such that the elastic portion can expand or contract as a function of whether the door is opened or closed.
    Type: Application
    Filed: December 16, 2004
    Publication date: July 7, 2005
    Applicant: Sumitomo Wiring Systems, Ltd.
    Inventors: Hidenobu Ojima, Yukio Yamamoto, Kouji Takase
  • Publication number: 20050148213
    Abstract: The invention relates to a door module including a detachable panel and configured to wire a door harness. The detachable panel is configured to fit into a recessed portion formed in a door inner panel of a vehicle, and the door harness includes a trunk wire harness portion and at least two branched wire harness portions connected to the trunk wire harness portion and extending along branching directions from a branching point. The detachable panel is integrally provided with at least two projections each having rectangular faces configured to hold the branching point of the door harness. These projections are arranged to define a gap which has substantially the same size as the diameter of the trunk wire harness portion, so that the gap can grip the trunk wire harness portion, when it is mounted, from both sides thereof near the branching point, while the rectangular faces extend along the branched wire harnesses and guide them in the branching directions.
    Type: Application
    Filed: December 17, 2004
    Publication date: July 7, 2005
    Applicant: Sumitomo Wiring Systems, Ltd.
    Inventors: Kouji Takase, Yukio Yamamoto, Hidenobu Ojima
  • Publication number: 20050035106
    Abstract: A heat plate for fixation comprising: a metallic base plate; and a heating resistor arranged on a reverse face of the metallic base plate, the heating resistor being formed by laminating, at least, an electric insulating layer and heating resistor layer in this order on the metallic base plate, wherein the heat plate is capable of raising the temperature of the metallic base plate to a fixing temperature when the heating resistor layer is energized and heated. A semicircular heating member for fixation comprises the heat plate which is curved so that the metallic base plate has a convex surface, a belt type fixing device is provided with the semicircular heating member, and an electrophotographic image forming apparatus is provided with the belt type fixing device comprising the semicircular heating member.
    Type: Application
    Filed: September 27, 2004
    Publication date: February 17, 2005
    Applicants: Takao Kawamura
    Inventors: Koichi Sanpei, Mitsuhiro Mori, Akio Yano, Masatoshi Kimura, Masao Konishi, Takao Kawamura, Akio Harada, Tsuyoshi Nishi, Yukio Yamamoto, Yoshiaki Ohbayashi, Naoya Takehara, Toru Imai
  • Patent number: 6826382
    Abstract: A heat plate for fixation comprising: a metallic base plate; and a heating resistor arranged on a reverse face of the metallic base plate, the heating resistor being formed by laminating, at least, an electric insulating layer and heating resistor layer in this order on the metallic base plate, wherein the heat plate is capable of raising the temperature of the metallic base plate to a fixing temperature when the heating resistor layer is energized and heated. A semicircular heating member for fixation comprises the heat plate which is curved so that the metallic base plate has a convex surface, a belt type fixing device is provided with the semicircular heating member, and an electrophotographic image forming apparatus is provided with the belt type fixing device comprising the semicircular heating member.
    Type: Grant
    Filed: March 27, 2002
    Date of Patent: November 30, 2004
    Assignees: Fuji Xerox Co., Ltd.
    Inventors: Koichi Sanpei, Mitsuhiro Mori, Akio Yano, Masatoshi Kimura, Masao Konishi, Takao Kawamura, Akio Harada, Tsuyoshi Nishi, Yukio Yamamoto, Yoshiaki Ohbayashi, Naoya Takehara, Toru Imai
  • Publication number: 20030177432
    Abstract: An error correction decoding unit performs error correction decoding of an inputted data series. A first memory is written with the data series subjected to error correction decoding by the error correction decoding unit. When the data series undergoing error correction decoding is written to the first memory, an address generator supplies write addresses and when the data series written to the first memory is read out of the first memory at random, the address generator supplies random read addresses.
    Type: Application
    Filed: January 28, 2003
    Publication date: September 18, 2003
    Inventors: Yukio Yamamoto, Shiro Mazawa, Takao Inoue
  • Patent number: 6619370
    Abstract: In a semi-molten metal injection molding method of producing a thin molded product by injecting a semi-molten metal M of a magnesium alloy, in a semi-melting state, into a cavity of a mold through a product gate, characterized in that it is made possible to obtain a high-quality thin molded product by maintaining satisfactory fluidity of the semi-molten metal M. A grain size of the solid fraction in the melt M is set to not more than 0.13 times the average thickness of the product portion of the thin molded product and a molten metal velocity at the product gate is set to not less than 30 m/s and, moreover, a solid fraction Fs (%) of the semi-molten metal M and a grain size D (&mgr;m) of the solid phase of the semi-molten metal M are set so as to define the relationship Fs×D≦1500.
    Type: Grant
    Filed: July 1, 1999
    Date of Patent: September 16, 2003
    Assignee: Mazda Motor Corporation
    Inventors: Kazuo Sakamoto, Kyoso Ishida, Yukio Yamamoto
  • Patent number: 6606472
    Abstract: An image forming device and method utilizing an electrostatic latent image recording medium, developing units reserving different colors for developing images on the recording medium, a dryer for drying the developed images, and an adhesion reinforcer for enhancing adhesion of toner particles including electrostatically pressing dried toner particles against a front surface of the electrostatic latent image recording medium.
    Type: Grant
    Filed: August 16, 2001
    Date of Patent: August 12, 2003
    Assignee: Hitachi, Ltd.
    Inventors: Akira Mori, Yukio Yamamoto, Kazumi Takahashi, Shogo Matsumoto, Junichi Matsuno, Taisaku Seino, Toshio Ogiso, Yasushi Kinoshita, Keiji Kamio, Kazutaka Sato
  • Patent number: 6564854
    Abstract: In a semi-solid alloy including a large amount of a liquid phase portion, that is, semi-solid alloy with less than 50% of solid phase rate, there is a tendency for a solid phase portion to concentrate into the central portion in the direction of thickness, that is the internal portion. In order to enhance corrosion resistance at a portion where high corrosion resistance is particularly required in parts molded by semi-solid injection, the above tendency is utilized. By utilizing the tendency, a layer consisting of a liquid phase portion is partially formed at the semi-solid state on a surface portion where high corrosion resistance is required.
    Type: Grant
    Filed: December 29, 1999
    Date of Patent: May 20, 2003
    Assignee: Mazda Motor Corporation
    Inventors: Nobuo Sakate, Shoji Hirabara, Kazuo Sakamoto, Yukio Yamamoto
  • Patent number: 6552292
    Abstract: When a seat (3) (FIG. 6A) on which a wax layer (7) is formed via a melting reaction layer (5) is brought into contact with a head (2) and heated and pressed in this state, a melting reaction layer (6) forms below the wax layer (FIG. 6B). When electric current application and pressing are continued from this state, a wax which has not reacted in the wax layer (7) in the formation of the melting reaction layer (6) is discharged from between the melting reaction layers (5) and (6). When electrical current application and pressing are further continued from this state, the two melting reaction layers (5) and (6) diffuse each other. The result is that a ternary alloy bonding layer (10) containing Fe, Al, and Zn, which constitute the melting reaction layers (5) and (6) is formed between the seat (3) and the head (2) (FIG. 6D).
    Type: Grant
    Filed: February 3, 2000
    Date of Patent: April 22, 2003
    Assignee: Mazda Motor Corporation
    Inventors: Seiji Nomura, Satoshi Nanba, Yukihiro Sugimoto, Yukio Yamamoto
  • Publication number: 20030063931
    Abstract: A heat plate for fixation comprising: a metallic base plate; and a heating resistor arranged on a reverse face of the metallic base plate, the heating resistor being formed by laminating, at least, an electric insulating layer and heating resistor layer in this order on the metallic base plate, wherein the heat plate is capable of raising the temperature of the metallic base plate to a fixing temperature when the heating resistor layer is energized and heated. A semicircular heating member for fixation comprises the heat plate which is curved so that the metallic base plate has a convex surface, a belt type fixing device is provided with the semicircular heating member, and an electrophotographic image forming apparatus is provided with the belt type fixing device comprising the semicircular heating member.
    Type: Application
    Filed: March 27, 2002
    Publication date: April 3, 2003
    Inventors: Koichi Sanpei, Mitsuhiro Mori, Akio Yano, Masatoshi Kimura, Masao Konishi, Takao Kawamura, Akio Harada, Tsuyoshi Nishi, Yukio Yamamoto, Yoshiaki Ohbayashi, Naoya Takehara, Toru Imai
  • Patent number: 6474726
    Abstract: An automobile bodyshell frame structure includes a generally elongated first panel member, and a generally elongated second panel member having opposite side edge portions connected to the first panel member to define a hollow between the first and second panel members. A filler is disposed within a portion of a cross-section of the hollow between the first and second panel members. This filler is provided on an inner surface of one of the first and second panel members and has an average compressive strength equal to or greater than 4 Pa and/or a maximum bending strength equal to or greater than 10 MPa.
    Type: Grant
    Filed: August 4, 2000
    Date of Patent: November 5, 2002
    Assignee: Mazda Motor Corporation
    Inventors: Katsunori Hanakawa, Mitsugi Fukahori, Kyousou Ishida, Yukio Yamamoto, Motoyasu Asakawa
  • Patent number: 6470956
    Abstract: In a semi-molten metal injection molding method of producing a thick molded article by injecting a semi-molten melt M of a magnesium alloy, in a semi-melting state, into a cavity 13 of a mold 11 through a product gate 17, characterized in that it is made possible to obtain a high-quality thick molded article free from internal defects. A solid fraction of the semi-molten melt M is set to not less than 10%, and more preferably within a range of 40 to 80%. A sectional area Sg of a product gate portion of the thick molded article corresponding to the product gate 17 is set to not less than 0.1 times a sectional area Sp in the vicinity of the product gate 17 in the product portion corresponding to the cavity 13. Furthermore, a product gate velocity Vg mm/s of the semi-molten melt M, a sectional area Sg mm2 of the product gate portion of the thick molded article and a volume Vp mm3 of the product portion are set so as to satisfy the following relationships: Vg≦8.0×104; and, Vg×Sg/Vp≧10.
    Type: Grant
    Filed: August 9, 2001
    Date of Patent: October 29, 2002
    Assignee: Mazda Motor Corporation
    Inventors: Kazuo Sakamoto, Kyoso Ishida, Yukio Yamamoto
  • Publication number: 20020030832
    Abstract: In an image output device a test chart 18 including tests charts 6 of each color is used, and a tone correction table is calculated. The test charts 6 are patterned in a checkered pattern, each including continuous areas 10 in which the tones increase in steps and reference areas 11 for comparison with the continuous areas 10. The reference areas 11 are formed of white ground of paper in a highlight proof part 7, a solid pattern with a maximum density in a shadow proof part 8, and halftone dot-concentrated or line screens with a lower resolution than in the continuous areas in a middle proof part 9. Tone correction values are calculated from characteristic values of the highlight, shadow and middle parts, obtained from visual data of the test chart 18.
    Type: Application
    Filed: July 25, 2001
    Publication date: March 14, 2002
    Inventors: Takeshi Shibuya, Yukio Yamamoto, Naoyuki Urata, Toshiyuki Yamada, Natsuhiko Hirayama
  • Publication number: 20020020475
    Abstract: A heat-resistant magnesium alloy member having specially excellent molding property and elongation while keeping creep resistance property, which comprises 2 to 6% by weight of aluminum and 0.5 to 4% by weight of calcium, and the balance comprising magnesium and inevitable impurities, having a Ca/Al ratio of no more than 0.8, preferably no more than 0.6. The method of preparing the heat-resistant magnesium alloy member is characterized in a semi-solid injection molding at a range between a solidus temperaaature of the alloy and a liquidus temperature of the alloy.
    Type: Application
    Filed: September 12, 2001
    Publication date: February 21, 2002
    Inventors: Kazuo Sakamoto, Yukio Yamamoto, Nobuo Sakate, Shoji Hirabara
  • Publication number: 20020017371
    Abstract: In a semi-molten metal injection molding method of producing a thin molded product by injecting a semi-molten metal M of a magnesium alloy, in a semi-melting state, into a cavity of a mold through a product gate, characterized in that it is made possible to obtain a high-quality thin molded product by maintaining satisfactory fluidity of the semi-molten metal M. A grain size of the solid fraction in the melt M is set to not more than 0.13 times the average thickness of the product portion of the thin molded product and a molten metal velocity at the product gate is set to not less than 30 m/s and, moreover, a solid fraction Fs (%) of the semi-molten metal M and a grain size D (&mgr;m) of the solid phase of the semi-molten metal M are set so as to define the relationship Fs×D≦1500.
    Type: Application
    Filed: July 1, 1999
    Publication date: February 14, 2002
    Inventors: KAZUO SAKAMOTO, KYOSO ISHIDA, YUKIO YAMAMOTO
  • Publication number: 20020007929
    Abstract: In a semi-molten metal injection molding method of producing a thick molded article by injecting a semi-molten melt M of a magnesium alloy, in a semi-melting state, into a cavity 13 of a mold 11 through a product gate 17, characterized in that it is made possible to obtain a high-quality thick molded article free from internal defects. A solid fraction of the semi-molten melt M is set to not less than 10%, and more preferably within a range of 40 to 80%. A sectional area Sg of a product gate portion of the thick molded article corresponding to the product gate 17 is set to not less than 0.1 times a sectional area Sp in the vicinity of the product gate 17 in the product portion corresponding to the cavity 13. Furthermore, a product gate velocity Vg mm/s of the semi-molten melt M, a sectional area Sg mm2 of the product gate portion of the thick molded article and a volume Vp mm3 of the product portion are set so as to satisfy the following relationships: Vg ≦8.0×104; and, Vg×Sg/Vp≧10.
    Type: Application
    Filed: August 9, 2001
    Publication date: January 24, 2002
    Inventors: Kazuo Sakamoto, Kyoso Ishida, Yukio Yamamoto
  • Patent number: 6334478
    Abstract: In order to provide a die structure for injection molding of a light alloy free from gas defects, and a method of molding a light alloy parts using the die, the die structure is used for converting a light alloy into a semi-molten state, wherein a solid phase and a liquid phase coexist, or a molten state at a temperature just above a melting point and injecting the molten metal into an interior cavity portion, and S1/S2 of a gate sectional area S1 with respect to a maximum sectional area S2 of the cavity of the mold which area is almost perpendicular to the flowing direction of the melt therein is set in a range of 0.06 to 0.5.
    Type: Grant
    Filed: September 29, 1998
    Date of Patent: January 1, 2002
    Assignee: Mazda Motor Corporation
    Inventors: Kazuo Sakamoto, Kyoso Ishida, Yukio Yamamoto
  • Patent number: 6306231
    Abstract: A light metal alloy material has excellent plastic workability. The method of producing the light metal alloy material comprises a light metal as a matrix, which is injection-molded at a solid phase proportion of not more than 20%. The injection molded material has a limiting upsetting rate of not more than 70% and excellent moldability. This injection molded material can be molded into a final molded article by means of single-step forging.
    Type: Grant
    Filed: September 29, 1998
    Date of Patent: October 23, 2001
    Assignee: Mazda Motor Corporation
    Inventors: Kazuo Sakamoto, Kyoso Ishida, Yukio Yamamoto, Makoto Fujita
  • Patent number: 6306764
    Abstract: In a batch type vertical heat-treating method, first, product wafers and dummy wafers are set to be stacked on an upstream side of a flow of a process gas, in heat treatment, within main holding positions of a holder. The dummy substrates are set more downstream of the process gas than the product wafers. The product wafers and the dummy wafers are set in the holder in a total number smaller than a total number of the main holding positions corresponding to a maximum number of wafers that can be held by the holder, and the holder is in a partially loaded state. The partially loaded holder is loaded in a process vessel, and the product wafers are processed in the process vessel.
    Type: Grant
    Filed: March 22, 2000
    Date of Patent: October 23, 2001
    Assignee: Tokyo Electron Limited
    Inventors: Hitoshi Kato, Takako Sano, Yukio Yamamoto, Hiroyuki Kikuchi
  • Patent number: 6298901
    Abstract: In a semi-molten metal injection molding method of producing a thick molded article by injecting a semi-molten melt M of a magnesium alloy, in a semi-melting state, into a cavity 13 of a mold 11 through a product gate 17, characterized in that it is made possible to obtain a high-quality thick molded article free from internal defects. A solid fraction of the semi-molten melt M is set to not less than 10%, and more preferably within a range of 40 to 80%. A sectional area Sg of a product gate portion of the thick molded article corresponding to the product gate 17 is set to not less than 0.1 times a sectional area Sp in the vicinity of the product gate 17 in the product portion corresponding to the cavity 13. Furthermore, a product gate velocity Vg mm/s of the semi-molten melt M, a sectional area Sg mm2 of the product gate portion of the thick molded article and a volume Vp mm3 of the product portion are set so as to satisfy the following relationships: Vg≦8.0×104; and, Vg×Sg/Vp≧10.
    Type: Grant
    Filed: July 1, 1999
    Date of Patent: October 9, 2001
    Assignee: Mazda Motor Corporation
    Inventors: Kazuo Sakamoto, Kyoso Ishida, Yukio Yamamoto