Patents by Inventor Hiroyuki Fujimoto

Hiroyuki Fujimoto 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: 20080303086
    Abstract: A semiconductor apparatus including a trench gate transistor having at least an active region surrounded by a device isolation insulating film; a trench provided by bringing both ends thereof into contact with the device isolation insulating film in the active region; a gate electrode formed in the trench via a gate insulating film; and a diffusion layer formed close to the trench; on a semiconductor substrate, and also includes an opening portion positioned on one surface of the semiconductor substrate; a pair of first inner walls positioned in a side of the device isolation insulating film and connected with the opening portion; a pair of second inner walls positioned in a side of the active region and connected with the opening portion; and a bottom portion positioned opposite to the opening portion and connected with the first inner walls and the second inner walls, wherein a cross sectional outline of the second inner wall is substantially linear, and a burr generated inside the trench is removed or redu
    Type: Application
    Filed: June 5, 2008
    Publication date: December 11, 2008
    Applicant: ELPIDA MEMORY, INC.
    Inventors: Yasuhiko Ueda, Hiroyuki Fujimoto
  • Patent number: 7454993
    Abstract: To provide a drive transmission changer for a dog clutch of a vehicle, which is effective to achieve change of the drive transmission assuredly without requiring any complicated control and which can be assembled compact in size. The drive transmission changer includes a drive motor 1, an output shaft 2 including a shaft body 2a and an eccentric stud 2b, a gear 3 mounted on the shaft body 2a for rotation relative thereto and drivingly coupled with the drive motor 1, a first transmission member 4 rotatable together with the gear 3, a second transmission member 5 mounted on the shaft body 2a for rotation together therewith, and a torsion coil spring 6 operatively coupled between the first and second transmission members 4 and 5 and arranged coaxially with the shaft body 2a for accumulating a drive force as the first transmission member 4 rotates.
    Type: Grant
    Filed: April 19, 2006
    Date of Patent: November 25, 2008
    Assignee: Kawasaki Jikogyo Kabushiki Kaisha
    Inventors: Haruo Kitai, Hiroyuki Fujimoto
  • Patent number: 7455932
    Abstract: A nonaqueous electrolyte secondary battery wherein a material capable of occluding/discharging lithium is used as a negative electrode material and a lithium-transition metal composite oxide which contains Ni and Mn as the transition metal and has a layered structure is used as a positive electrode material is characterized in that a lithium-transition metal composite oxide having a BET specific surface area less than 3 m2/g and a pH of 11.0 or less when 5 g of the lithium-transition metal composite oxide is immersed in 50 ml of purified water is used as the positive electrode active material.
    Type: Grant
    Filed: January 15, 2004
    Date of Patent: November 25, 2008
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Hiroyuki Fujimoto, Akira Kinoshita, Toyoki Fujihara, Shingo Tode, Yasufumi Takahashi, Ikuro Nakane, Shin Fujitani
  • Publication number: 20080286654
    Abstract: A non-aqueous electrolyte secondary battery is composed of a positive electrode, a negative electrode, and a non-aqueous electrolyte, and the negative electrode has a negative electrode composite layer containing a negative electrode active material and a binder formed on a negative electrode current collector. The negative electrode active material contains a complex alloy powder containing tin, cobalt and carbon and graphite powder, and the negative electrode composite layer formed on the negative electrode current collector has percentage of porosity within the range of 5 to 20 volume %.
    Type: Application
    Filed: May 13, 2008
    Publication date: November 20, 2008
    Applicant: SANYO ELECTRIC CO., LTD.
    Inventors: Shouichiro Sawa, Mariko Torimae, Yasuyuki Kusumoto, Hiroyuki Fujimoto
  • Publication number: 20080286657
    Abstract: A non-aqueous electrolyte secondary battery is composed of a positive electrode containing a positive electrode active material capable of storing and releasing lithium ion, a negative electrode containing a negative electrode active material capable of storing and releasing lithium ion, and a non-aqueous electrolyte. The negative electrode active material contains a first material of a graphite material and a second material of a complex in which graphite material and silicon or silicon composite are coated with amorphous carbon material, and a cyclic carbonic acid ester derivative having fluoride atom and a sulfur-containing composite having cyclic structure are added to the non-aqueous electrolyte.
    Type: Application
    Filed: May 15, 2008
    Publication date: November 20, 2008
    Applicant: SANYO ELECTRIC CO., LTD.
    Inventors: Kazuhiro HASEGAWA, Akihiro SUZUKI, Hiroyuki FUJIMOTO, Katsuaki TAKAHASHI
  • Publication number: 20080283323
    Abstract: Disclosed is a mechanism of a four-wheel drive vehicle, for enabling an engine and a transmission to be arranged compact by using an empty space within a body frame of the vehicle. The transmission includes a power take-off part for driving front wheels of the vehicle, and a rear reduction gear mechanism for driving rear wheels of the vehicle. The transmission and the engine are mounted on a swing arm which is supported on the body frame of the vehicle so as to be able to swing in an up and down direction.
    Type: Application
    Filed: March 25, 2008
    Publication date: November 20, 2008
    Inventors: Takeshi Miyazaki, Hiroyuki Fujimoto, Izumi Takagi
  • Patent number: 7442470
    Abstract: In a high power output non-aqueous electrolyte secondary battery including a negative electrode including a graphitizable carbon material, the physical properties of the graphitizable carbon material is controlled. In a X-ray diffraction pattern of the graphitizable carbon material, a ratio of a peak intensity I(101) attributed to a (101) plane to a peak intensity I(100) attributed to a (100) plane satisfies 0<I(101)/I(100)<1.0. A ratio of a peak intensity I(110) attributed to a (110) plane to a peak intensity I(004) attributed to a (004) plane satisfies 0.7?I(110)/I(004) ?1.4. The graphitizable carbon material preferably has a specific surface area measured by BET method of 1 to 5 m2/g.
    Type: Grant
    Filed: October 5, 2005
    Date of Patent: October 28, 2008
    Assignees: Matsushita Electric Industrial Co., Ltd., Osaka Gas Chemicals Co., Ltd.
    Inventors: Yoshiyuki Ozaki, Kazuhiro Ota, Hiroyuki Fujimoto, Koichi Morita
  • Patent number: 7435510
    Abstract: A nonaqueous electrolyte secondary battery comprising a positive electrode containing a positive active material, a negative electrode containing a negative active material and a nonaqueous electrolyte, wherein a lithium transition metal complex oxide A formed by allowing LiCoO2 to contain at least both of Zr and Mg and a lithium transition metal complex oxide B having a layered structure and containing at least both of Mn and Ni as transition metals and containing molybdenum (Mo) are mixed and used as said positive active material.
    Type: Grant
    Filed: June 29, 2005
    Date of Patent: October 14, 2008
    Assignee: Sanyo Electric Co.
    Inventors: Shingo Tode, Hiroyuki Fujimoto, Yasufumi Takahashi, Akira Kinoshita, Kazuhiro Hasegawa, Shin Fujitani
  • Publication number: 20080231287
    Abstract: An evaluation board, on which is mounted a chip to be evaluated is provided. Particularly, the evaluation board includes a monitoring window for monitoring a power supply part, a ground part, and a surface of the chip, a first signal input part for inputting signals to the chip, and a second signal input part for inputting signals to the chip, wherein the second signal input part is placed as to sandwich said monitoring window between itself and the first signal input part.
    Type: Application
    Filed: March 18, 2008
    Publication date: September 25, 2008
    Applicant: FUJITSU LIMITED
    Inventor: Hiroyuki FUJIMOTO
  • Publication number: 20080233485
    Abstract: A non-aqueous electrolyte secondary battery comprises: a positive electrode using a positive electrode active material consisting of metal composite oxide containing lithium having a laminated structure; a negative electrode; and a non-aqueous electrolyte dissolving an electrolyte in a non-aqueous solvent; wherein the positive electrode active material contains 50 mol % or more of nickel in metal excluding lithium, and cyclic ether is added in the range of 0.1 volume % to 2.0 volume % to the non-aqueous electrolyte.
    Type: Application
    Filed: March 24, 2008
    Publication date: September 25, 2008
    Applicant: SANYO ELECTRIC CO., LTD.
    Inventors: Daizo JITO, Katsuaki TAKAHASHI, Kazuhiro HASEGAWA, Hiroyuki FUJIMOTO, Ikuro NAKANE
  • Publication number: 20080171264
    Abstract: A nonaqueous electrolyte secondary battery including a positive electrode containing a positive active material, a negative electrode containing a negative active material and a nonaqueous electrolyte. The secondary battery contains, as the negative active material, a lithium-containing molybdenum oxide represented by a chemical formula LixMoO2 (0.05?x?0.25) when in a fully discharged state. The lithium-containing molybdenum oxide can be obtained by allowing lithium to react to molybdenum dioxide (MoO2) electrochemically, for example.
    Type: Application
    Filed: January 15, 2008
    Publication date: July 17, 2008
    Inventors: Masanobu Takeuchi, Hiroyuki Fujimoto, Seiji Yoshimura, Ikuro Nakane
  • Patent number: 7377342
    Abstract: Disclosed is a mechanism of a four-wheel drive vehicle, for enabling an engine and a transmission to be arranged compact by using an empty space within a body frame of the vehicle. The transmission includes a power take-off part for driving front wheels of the vehicle, and a rear reduction gear mechanism for driving rear wheels of the vehicle. The transmission and the engine are mounted on a swing arm which is supported on the body frame of the vehicle so as to be able to swing in an up and down direction.
    Type: Grant
    Filed: August 24, 2005
    Date of Patent: May 27, 2008
    Assignee: Kawasaki Jukogyo Kabushiki Kaisha
    Inventors: Takeshi Miyazaki, Hiroyuki Fujimoto, Izumi Takagi
  • Publication number: 20080084361
    Abstract: A display device comprising a display unit (1001) capable of displaying separate images on the same screen in a plurality of viewing directions, a mounting place data-obtaining unit (1021) for obtaining data related to a place where the display unit (1001) is mounted, and a display control unit (1002) for controlling the display of an image in a particular viewing direction determined based on the data related to the mounting place. The display device is capable of displaying separate images on the same screen in the plurality of viewing directions, and suitably controls the display of images depending upon the place where the display device is mounted.
    Type: Application
    Filed: November 7, 2005
    Publication date: April 10, 2008
    Applicant: FUJITSU TEN LIMITED
    Inventors: Yoshikazu Ueta, Mitsuhiro Kamoto, Hiroyuki Fujimoto, Yoshiyuki Hashimoto, Taku Yokawa
  • Publication number: 20080073709
    Abstract: A semiconductor device in which the reliability of a gate dielectric film is high and a channel length is sufficiently secured and a method of manufacturing the same are provided. The semiconductor device comprises a trench gate transistor. The trench gate transistor comprises: a trench provided in a semiconductor substrate; a gate electrode formed in the trench through a gate dielectric film; and a diffusion layer formed in the vicinity of the trench. The trench comprises: an opening portion provided in a surface of the semiconductor substrate; a recess curved surface portion whose cross-sectional contour is a substantially circular arc shape; and a connection curved surface portion connecting the recess curved surface portion and the opening portion. The connection curved surface portion and the recess curved surface portion are integrated in a continuous curved surface without interposing a ridge line portion therebetween.
    Type: Application
    Filed: September 19, 2007
    Publication date: March 27, 2008
    Applicant: ELPIDA MEMORY, INC.
    Inventors: Hiroyuki Fujimoto, Yasuhiko Ueda
  • Publication number: 20080069705
    Abstract: A heat exchange device is provided with a partition wall and a heat radiation member. The partition wall separates a first space from a second space. The partition wall is made from a resin. The partition wall includes a through hole extending from the first space to the second space. The heat radiation member is fixed to the through hole. The heat radiation member is made from a metal. One end of the heat radiation member is disposed within the first space and the other end of the heat radiation member is disposed within the second space. An outer surface of the heat radiation member and an inner surface of the through hole are chemically bonded, whereby a gap between the heat radiation member and the through hole is sealed.
    Type: Application
    Filed: September 12, 2007
    Publication date: March 20, 2008
    Applicant: AISAN KOGYO KABUSHIKI KAISHA
    Inventor: Hiroyuki Fujimoto
  • Publication number: 20080068284
    Abstract: A display device whereby appropriate operation control desired by a user can be conducted is implemented even if an image for driver's seat which can be seen by a driver but cannot be seen by a passenger in a passenger seat and an image for passenger seat which can be seen by the passenger in the passenger seat but cannot be seen by the driver are displayed on a common screen. The display device comprises a unit for conducting operation control on an image with priority of an image GDR for driver's seat and an image GPA for passenger seat when an operation is performed to an operating switch arranged in such a manner that the operation area for the image GDR for driver's seat on the display screen and the operation area for the image GPA for passenger seat on the display screen overlap each other.
    Type: Application
    Filed: October 27, 2005
    Publication date: March 20, 2008
    Applicant: FUJITSU TEN LIMITED
    Inventors: Shinji Watanabe, Katsuhiro Yasuda, Eiji Miyazawa, Nobuaki Kajimoto, Kenichi Koujimoto, Kiyoshi Hamatani, Daisuke Enomoto, Yuusuke Nishida, Kazuhiro Komatsu, Masaho Yokoyama, Hiroyuki Fujimoto, Yoshiyuki Hashimoto, Mitsuhiro Kamoto, Taku Yokawa, Yoshikazu Ueta, Tomoki Saitou, Takashi Eguti, Shougo Tanaka
  • Patent number: 7344802
    Abstract: A nonaqueous electrolyte secondary battery includes a positive electrode comprising a positive electrode material attached to a positive electrode current collector, a negative electrode and a nonaqueous electrolyte, wherein the positive electrode material comprises a positive electrode active material represented by LiaMnbNibCo1-2bO2 (wherein a is 0?a?1.1, and b is 0<b?0.5), a binder and an electrically conductive agent, wherein the binder is contained in the positive electrode material in a range of 0.8˜3 weight %, and the density of the positive electrode material is not less than 3.0 g/cm3.
    Type: Grant
    Filed: March 19, 2003
    Date of Patent: March 18, 2008
    Assignee: SANYO Electric Co., Ltd.
    Inventors: Hiroyuki Fujimoto, Toyoki Fujihara, Maruo Kamino
  • Publication number: 20080035406
    Abstract: A switching device of a driving power transmission system equipped in an off-road vehicle, including a switching lever configured to switch driving power transmission of the driving power transmission system, and a negative-pressure actuator module that is coupled to the switching lever and is configured to operate the switching lever.
    Type: Application
    Filed: April 20, 2007
    Publication date: February 14, 2008
    Inventors: Haruo Kitai, Hiroyuki Fujimoto
  • Publication number: 20070291172
    Abstract: A display control apparatus controls a multi-view display apparatus that displays separate pictures for a plurality of viewing directions on a single screen. The display control apparatus includes a control unit that controls an output of the pictures based on a relationship between the pictures.
    Type: Application
    Filed: November 2, 2005
    Publication date: December 20, 2007
    Applicant: FUJITSU TEN LIMITED
    Inventors: Kenichi Kouzimoto, Junji Hashimoto, Mitsuhiro Kamoto, Hiroyuki Fujimoto, Yoshiyuki Hashimoto, Taku Yokawa, Yoshikazu Ueta, Atsushi Mino, Kenta Kamikoba, Toru Yamane, Takanori Fujiwara
  • Publication number: 20070290551
    Abstract: A wet brake system for a vehicle including a case; an internal operation lever disposed inside the case; a hydraulic cylinder which is integrally mounted to the case and is configured to actuate the internal operation lever; and a brake mechanism configured to be operated by the actuation of the internal operation lever by the hydraulic cylinder to apply a braking force to an axle of the vehicle.
    Type: Application
    Filed: May 30, 2007
    Publication date: December 20, 2007
    Inventors: Hiroyuki Fujimoto, Haruo Kitai, Izumi Takagi