Patents by Inventor Yoshiaki Takeuchi
Yoshiaki Takeuchi 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: 7709142Abstract: A battery capable of obtaining a high energy density and obtaining superior cycle characteristics is provided. The thickness of a cathode active material layer is from 100 ?m to 130 ?m. The thickness of an anode active material layer is from 85 ?m to 120 ?m, and the volume density of the anode active material layer is from 1.7 g/cm3 to 1.85 g/cm3. An electrolytic solution contains 4-fluoro-1,3-dioxolane-2-one. Thereby, even when the thicknesses of the cathode active material layer and the anode active material layer are increased, the diffusion and acceptance of lithium in an anode are improved, and superior cycle characteristics can be obtained.Type: GrantFiled: December 7, 2006Date of Patent: May 4, 2010Assignee: Sony CorporationInventors: Shinya Wakita, Izaya Okae, Yosuke Ushio, Yoshiaki Takeuchi, Saori Tokuoka
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Patent number: 7691362Abstract: A method for producing an ?-alumina powder is provided. T method for producing an ?-alumina powder comprising steps of: (1) pulverizing a metal compound having a full width at half maximum (Ho) of a main peak in XRD pattern to obtain a seed crystal having a full width at half maximum (H) of the main peak in XRD pattern in the presence of pulverizing agent, (2) mixing the obtained seed crystal with an aluminum salt, (3) calcining the mixture, and wherein a ratio of H/Ho is 1.06 or more.Type: GrantFiled: August 26, 2005Date of Patent: April 6, 2010Assignee: Sumitomo Chemical Company, LimitedInventors: Hajime Maki, Yoshiaki Takeuchi, Kazuhisa Kajihara
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Publication number: 20100077804Abstract: A locking device for a trunk in a vehicle. The locking device includes a latch configured to change a state of the trunk between locked and unlocked, and a lever configured to drive the latch to an open position. The locking device further includes a lock knob configured to be disposed outward of a vehicle body to visually determine from an outside of the vehicle whether the trunk is in the locked state or the unlocked state. The lock knob is further configured to be selectively placed in a locked position. In the locked position, the trunk is configured to be brought into the locked state by prohibiting the latch from being driven to an open position. The lock knob is further configured to be selectively placed in an unlocked position. In the unlocked position, the trunk is configured to be brought into the unlocked state by enabling the latch to be driven to the open position.Type: ApplicationFiled: September 17, 2009Publication date: April 1, 2010Inventors: Yoshiaki Takeuchi, Katsuhisa Yamada, Tsuguhito Ichiriki, Hiroshi Nishijima, Koichi Nozoe
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Publication number: 20100077807Abstract: A locking device for a storage box in a vehicle includes a lock configured to place the storage box in a closed state or an open state, and an actuator configured to drive the lock. The locking device further includes a button configured to place the storage box in the open state. The locking device is configured to perform an authentication of a portable key when the button is operated and the storage box is closed. When the portable key is authenticated when the button is operated, the lock is configured to place the storage box in the open state. When the portable key is not authenticated when the button is operated, the storage box is configured to be held in the closed state without the lock being driven. When the portable key is authenticated when the storage box is closed, the lock is configured to be driven to place the storage box in the closed state.Type: ApplicationFiled: September 17, 2009Publication date: April 1, 2010Inventors: Yoshiaki Takeuchi, Katsuhisa Yamada, Tsuguhito Ichiriki, Hiroshi Nishijima
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Patent number: 7674525Abstract: The present invention provides a process for producing fine ?-alumina particles, which comprises sintering a mixture of ?-alumina precursor particles and seed crystal particles, wherein a center particle diameter of the seed crystal particles is 40 nm or less, and a ratio of the number of coarse particles having a particle diameter greater than 100 nm to the number of the total particles is 1% or less.Type: GrantFiled: March 15, 2006Date of Patent: March 9, 2010Assignee: Sumitomo Chemical Company, LimitedInventors: Hajime Maki, Yoshiaki Takeuchi, Yuzuru Saitou
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Patent number: 7663477Abstract: In a turn signal control device for a vehicle having an automatic canceling function, a switch operating element is carried on a pivot shaft mounted in a fixed switch case so that the switch operating element can be returned and pushed-in between a returned position and a pushed-in position. The switch operating element is swingable at the returned position between a neutral position and a left-turn indicating position and a right-turn indicating position. The switch operating element is pushed-in to the pushed-in position by push-in operation at the returned position. The switch operating element is resiliently urged toward the neutral position and there turned position. A winker switch is operatively connected to the switch operating element so as to break the connection of a left-turn indicating means or a right-turn indicating means to a flasher unit in response to push-in of the switch operating element to the pushed-in position.Type: GrantFiled: December 6, 2007Date of Patent: February 16, 2010Assignees: Toyo Denso Co., Ltd., Honda Motor Co., Ltd.Inventors: Kazuma Shimizu, Takashi Nakamura, Tsutomu Tozuka, Yoshiaki Takeuchi
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Publication number: 20090159432Abstract: A discharge electrode, a thin-film deposition apparatus, and a solar cell fabrication method, which suppress the generation of a film thickness distribution and a film quality distribution, are provided. The discharge electrode includes two lateral structures 20 that are substantially parallel to each other and extend in an X direction; and a plurality of longitudinal structures 21a that are provided between the two lateral structures, are substantially parallel to each other, and extend in a Y direction substantially orthogonal to the X direction. The longitudinal structures 21a each include an electrode main body 35 whose one end 35a is connected to one of the lateral structures 20 and whose the other end 35b is connected to the other lateral structure 20; a gas pipe 41 disposed in a gas-pipe accommodating space 36; and a porous body 40. An opening 38 opens to a substrate 8 and is covered with the porous body 40. A gas diffusion path 37 connects the gas-pipe accommodating space 36 and the opening 38.Type: ApplicationFiled: August 22, 2007Publication date: June 25, 2009Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Shingo Kawano, Eiichiro Ohtsubo, Naoyuki Miyazono, Keisuke Kawamura, Yoshiaki Takeuchi
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Publication number: 20090123363Abstract: The present invention provides a method for producing an ?-alumina powder. The method for producing an ?-alumina powder comprises steps of: (1) pulverizing a metal compound having a full width at half maximum (Ho) of a main peak in XRD pattern to obtain a seed crystal having a full width at half maximum (H) of the main peak in XRD pattern, (2) mixing the obtained seed crystal with an aluminum compound, (3) calcining the mixture, and wherein a ratio of H/Ho is 1.06 or more.Type: ApplicationFiled: January 2, 2009Publication date: May 14, 2009Applicant: Sumitomo Chemical Company, LimitedInventors: Shinobu Maruno, Hajime Maki, Yoshiaki Takeuchi
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Patent number: 7510607Abstract: A coating composition, a method for producing the coating composition, a coating film and magnetic recording medium are described. The coating composition comprises a binder, a solvent, and an ?-alumina powder, wherein the ?-alumina powder satisfies the following (a) and (b): (a) when the ?-alumina powder is pressed to obtain a green body and the green body is sintered at 1250° C. under the atmospheric pressure, a relative density of the obtained sintered body is about 80% or more, and (b) a BET specific surface area of the ?-alumina powder is about 10 m2/g or more.Type: GrantFiled: July 16, 2004Date of Patent: March 31, 2009Assignee: Sumitomo Chemical Company, LimitedInventors: Kazuhisa Kajihara, Yoshiaki Takeuchi
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Publication number: 20080285327Abstract: A chain type ferroelectric random access memory has a memory cell unit including ferroelectric memory cells electrically connected in series to each other, a plate line connected to an electrode of the memory cell unit, a bit line connected to the other electrode of the memory cell unit via a switching transistor, a sense amplifier which amplifies the voltages of this bit line and its complementary bit line, and a transistor inserted between the switching transistor and the sense amplifier. A value, being the minimum value of the gate voltage in the transistor obtained during elevation of the plate line voltage and comparative amplification, is smaller than a value, being the maximum value of the gate voltage in the transistor obtained during fall of the plate line voltage and comparative amplification. With these features, decrease in the accumulated charge of polarization in the memory cell is reduced and occurrence of disturb is prevented during read/write operations.Type: ApplicationFiled: November 2, 2007Publication date: November 20, 2008Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Ryu Ogiwara, Daisaburo Takashima, Sumio Tanaka, Yukihito Oowaki, Yoshiaki Takeuchi
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Publication number: 20080236216Abstract: A handlebars locking apparatus for locking and unlocking of the handlebars on the basis of a code collation is provided. A collation ECU releases a restriction of a rotor latched by a latch by driving a solenoid if an ignition switch is turned OFF while a lock pin is retracted. After releasing the restriction, rotation of the rotor is restricted by the latch and a code collation with a code stored in a portable key is carried out if a lock pin is in a protrusion state after the release of the restriction and the protrusion state is detected by a lock side switch. If the code collation is correctly carried out, the protrusion of the lock pin is maintained to lock the handlebars. If the code collation is not correctly completed, the restriction of the rotor is released so as to be returned into an unlocked state.Type: ApplicationFiled: March 21, 2008Publication date: October 2, 2008Applicants: Honda Motor Co., Ltd., Honda Lock Mfg. Co., Ltd.Inventors: Yoshiaki Takeuchi, Takeshi Konno, Tadashi Onozuka, Koichi Nozoe, Kazuo Yuhi
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Publication number: 20080196761Abstract: A photovoltaic device and a process for producing the photovoltaic device that combine a high photovoltaic conversion efficiency with a high level of productivity. The photovoltaic device includes at least a transparent electrode-bearing substrate, prepared by providing a transparent electrode layer on a transparent, electrically insulating substrate, and a photovoltaic layer containing mainly crystalline silicon-based semiconductors and a back electrode layer formed sequentially on the transparent electrode layer of the transparent electrode-bearing substrate, wherein the surface of the transparent electrode layer of the transparent electrode-bearing substrate has a shape that contains a mixture of coarse and fine roughness, and exhibits a spectral haze ratio of 20% or greater for wavelengths of from 550 nm to 800 nm, and the photovoltaic layer containing mainly crystalline silicon-based semiconductors has a film thickness of from 1.2 ?m to 2 ?m, and a Raman ratio of from 3.0 to 8.0.Type: ApplicationFiled: December 21, 2007Publication date: August 21, 2008Applicant: MITSUBISHI HEAVY INDUSTRIES, LTDInventors: Youji Nakano, Yoshiaki Takeuchi, Kengo Yamaguchi, Yasuhiro Yamauchi
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Publication number: 20080199125Abstract: In conventional optical isolators, an optical signal is dispersed by polarization or the characteristics are varied by heat generation in a garnet crystal. According to the invention, the crystal optical axis (3c) of rutile crystal (3) is oriented so that the separation directions of the ordinary ray (O) and the extraordinary ray (E) are perpendicular to the plane including the optical axes of optical fibers (10, 11). Furthermore, the focusing central optical axis (6c) of a focusing rod lens (6) is arranged parallel with optical axes of the optical fibers (10, 11) and at a substantially equal distance from the four rays, i.e. the ordinary ray (O) and the extraordinary ray (E) propagating along the optical axis of the optical fiber (10) and the ordinary ray (O) and the extraordinary ray (E) propagating along the optical axis of the optical fiber (11). An air gap (7) of about 200 [?m] is provided, as a heat insulating means, between the focusing rod lens (6) and a magnetized garnet crystal (8).Type: ApplicationFiled: November 15, 2007Publication date: August 21, 2008Inventors: Yoshiaki Takeuchi, Masaru Watanabe, Ikuo Fukuzaki
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Publication number: 20080164991Abstract: In a turn signal control device for a vehicle having an automatic canceling function, a switch operating element is carried on a pivot shaft mounted in a fixed switch case so that the switch operating element can be returned and pushed-in between a returned position and a pushed-in position. The switch operating element is swingable at the returned position between a neutral position and a left-turn indicating position and a right-turn indicating position. The switch operating element is pushed-in to the pushed-in position by push-in operation at the returned position. The switch operating element is resiliently urged toward the neutral position and there turned position. A winker switch is operatively connected to the switch operating element so as to break the connection of a left-turn indicating means or a right-turn indicating means to a flasher unit in response to push-in of the switch operating element to the pushed-in position.Type: ApplicationFiled: December 6, 2007Publication date: July 10, 2008Inventors: Kazuma Shimizu, Takashi Nakamura, Tsutomu Tozuka, Yoshiaki Takeuchi
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Publication number: 20080156050Abstract: A steering lock device has a steering catch mechanism including a handlebar attached to a steering stem, and a locking arm attached to this handlebar and being equipped with a lock pin for engagement on the tip end portion thereof. The steering catch mechanism also includes a locking claw as an engaging portion that is engagable with the lock pin. The locking claw is usually biased in the unlocking direction. In this catch mechanism, the locking claw is disposed on a rotation track of the lock pin. Accordingly, when an external force is applied to the lock pin such that the lock pin is in contact with the locking claw of the catch mechanism, the locking claw is moved in the locking direction so that the locking claw can be engaged with the lock pin. Therefore, a steering-lock stand-by state is accomplished.Type: ApplicationFiled: October 30, 2007Publication date: July 3, 2008Applicant: HONDA MOTOR CO., LTD.Inventors: Takeshi Konno, Tadashi Onozuka, Yoshiaki Takeuchi
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Publication number: 20080150708Abstract: The lighting system having a plurality of winker lamps disposed on front and rear portions of a vehicle body, a winker switch, and a lighting control circuit which performs changeover function allowing the winker lamps at a front portion of the vehicle body to lit as position lamps. The lighting control circuit is connected to a battery through an ignition switch. The lighting system further includes a power supply circuit which supplies, in an ignition off state, power to the lighting control circuit in response to an output signal from an antitheft apparatus to cause the winker lamps to light up or flicker. The output terminal of the antitheft device is connected to an electrical connection formed between the winker switch and the left and right rear lamps.Type: ApplicationFiled: October 30, 2007Publication date: June 26, 2008Applicant: Honda Motor Co., Ltd.Inventors: Yoshiaki Takeuchi, Tetsuya Kondo, Ryohei Kitamura
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Patent number: 7377533Abstract: A steering damper is provided coaxially with a steering shaft, and a handlebar load is provided by causing a variable valve to generate damping force, using rotation of the steering shaft. The damping force is variably controlled in response to vehicle speed. The damping force is fixed to a minimum value C1 for vehicle speeds equal to or below first reference speed V1, fixed to a maximum value C2 for vehicle speeds equal to or above second reference speed V2, and variably controlled in response to vehicle speed and acceleration in an intermediate speed range. Fine maneuverability of a vehicle body is achieved by reducing a load on a handlebar at low vehicle speeds, and a stable movement of the vehicle body is maintained at high vehicle speed by increasing the load on the handlebar and thereby suppressing deflection of the handlebar.Type: GrantFiled: January 28, 2005Date of Patent: May 27, 2008Assignee: Honda Motor Co., Ltd.Inventors: Yoshiaki Takeuchi, Makoto Ono, Kenichi Machida
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Patent number: 7351394Abstract: A method for producing an ?-alumina powder is described. The method for producing an ?-alumina powder comprises a step of calcining an aluminum salt in the presence of a seed crystal at 600-890° C.Type: GrantFiled: February 24, 2004Date of Patent: April 1, 2008Assignee: Sumitomo Chemical Company, LimitedInventors: Hajime Maki, Yoshiaki Takeuchi
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Publication number: 20080061956Abstract: A steering shaft includes a lower end that penetrates through, and projects downwardly from a bracket for supporting an upper end of a front fork tube. A steering angle sensor for a flasher canceler is disposed at the lower end of the steering shaft. The steering angle sensor is held in position by a holding plate mounted to a lower surface of the bracket. A retainer is secured to a stay secured to a portion of a vehicle body frame. The retainer is engaged with an engagement portion of a steering angle sensor shaft of the steering angle sensor. Rotation of the steering shaft results in the steering angle sensor shaft of the steering angle sensor being rotated relative to a vehicle body, which detects a steering angle. A flasher canceler control unit is incorporated in a meter unit.Type: ApplicationFiled: September 7, 2007Publication date: March 13, 2008Applicant: HONDA MOTOR CO., LTD.Inventor: Yoshiaki Takeuchi
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Patent number: 7321463Abstract: In conventional optical isolators, an optical signal is dispersed by polarization or the characteristics are varied by heat generation in a garnet crystal. According to the invention, the crystal optical axis (3c) of rutile crystal (3) is oriented so that the separation directions of the ordinary ray (O) and the extraordinary ray (E) are perpendicular to the plane including the optical axes of optical fibers (10, 11). Furthermore, the focusing central optical axis (6c) of a focusing rod lens (6) is arranged parallel with optical axes of the optical fibers (10, 11) and at a substantially equal distance from the four rays, i.e. the ordinary ray (O) and the extraordinary ray (E) propagating along the optical axis of the optical fiber (10) and the ordinary ray (O) and the extraordinary ray (E) propagating along the optical axis of the optical fiber (11). An air gap (7) of about 200 [?m] is provided, as a heat insulating means, between the focusing rod lens (6) and a magnetized garnet crystal (8).Type: GrantFiled: June 23, 2004Date of Patent: January 22, 2008Assignee: Osaki Electric Co., Ltd.Inventors: Yoshiaki Takeuchi, Masaru Watanabe, Ikuo Fukuzaki