Patents by Inventor Masahiro Naito
Masahiro Naito 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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Publication number: 20100287997Abstract: It is an object of the present invention to provide a washing machine capable of advantageously sanitizing a boot with cleaning air. A tubular member (25) of a boot attachment (30) is inserted in the boot (70) with a sufficient clearance, and an upper end portion (43) of the tubular member (25) is exposed from a top (70B) of the boot (70). A second lower vent (34) provided in a lower portion of the tubular member (25) is directed to a toe portion (70C) in the boot (70), and a first intermediate vent (35) and a second intermediate vent (36) are provided in a vertically intermediate portion of the tubular member (25). Cleaning air supplied into a drum (8) of the washing machine is smoothly introduced into the tubular member (25) of the boot attachment (30) by the upper end portion (43) to flow down through the tubular member (25).Type: ApplicationFiled: November 10, 2008Publication date: November 18, 2010Inventors: Satoshi Nakamura, Masahiro Naito, Yasuhiro Matsusaki
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Patent number: 7643023Abstract: In the case where graphic data GD1 needing a high-speed rendering are to be written in a frame memory (14) from an image writing unit (1), the graphic data GD1 are written in the frame memory (14) in accordance with an instruction from the image writing unit (1) irrespective of the read state of graphic data GD2 to be read from the frame memory (14). In the case of the graphic data GD1 needing an ordinary speed, on the other hand, a write wait signal WT is outputted from a data write control unit (2) to the image writing unit (1) for the period till the read of the graphic data GD2 from the frame memory (14) ends. For the period while the write wait signal WT is being outputted, the write of the graphic data GD1 from the graphic data writing unit (1) is made to wait.Type: GrantFiled: February 19, 2004Date of Patent: January 5, 2010Assignee: Mitsubishi Electric CorporationInventors: Masahiro Naito, Hidehiko Nakatani, Naoto Sugawara
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Patent number: 7556029Abstract: An internal combustion engine, comprising, a cylinder head; a rotational shaft supported by said cylinder head and lubricated; a head cover arranged on said cylinder head; an end member arranged at an axial end of said rotational shaft; a first chamber defined at least by said cylinder head and said end member and accommodating said rotational shaft; a second chamber defined at least by said head cover and having an opening to said first chamber; and a baffle integrally formed with said end member and extending in an axial direction of said rotational shaft between said opening and said rotational shaft in a radial direction of said rotational shaft.Type: GrantFiled: July 23, 2007Date of Patent: July 7, 2009Assignee: Mazda Motor CorporationInventors: Masahiro Naito, Satoshi Tateishi, Takashi Sasada
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Publication number: 20090155516Abstract: Disclosed is an ultraviolet-curable resin composition for multilayer optical discs, which contains (A) dioxane glycol di(meth)acrylate and/or tricyclodecane dimethylol di(meth)acrylate, and (B) a photopolymerization initiator.Type: ApplicationFiled: July 9, 2007Publication date: June 18, 2009Applicant: NIPPON KAYAKU KABUSHIKIKAISHAInventors: Daisuke Kobayashi, Kiyohisa Tokuda, Masahiro Naito, Go Mizutani
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Publication number: 20090056658Abstract: A lubricating device comprises a cam shaft, plural cam portions for each valve provided at the cylinder head, a valve driving mechanism to change a rotational movement of the cam portion to an opening-and-closing movement of the valve via a slide member on which a peripheral surface of the cam portion slides, an oil passage of the cam shaft, a nozzle provided at either one of the cam portions to open at the peripheral surface of the cam portion and connect to the oil passage of the cam shaft, and a wall body having a recess portion. The recess portion collects lubricating oil ejected out of the nozzle and guides the lubricating oil collected to the peripheral surface of the other cam portion when the one cam portion is located in a position in which the nozzle is not directed to the slide member.Type: ApplicationFiled: September 2, 2008Publication date: March 5, 2009Applicant: MAZDA MOTOR CORPORATIONInventors: Masahiro NAITO, Shigemi OKADA, Jun YAMANE
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Patent number: 7499538Abstract: A telephone enabling a user to search a telephone directory using a simple and trouble-free operation. The telephone has a storage unit for storing names to be called and corresponding telephone numbers, and an operating unit including a plurality of numeric keys that are each assigned different characters. The telephone also includes a control unit. When a key press of at least the predetermined time is received by the operating unit, the control unit searches the storage unit for names that include a character assigned to the pressed numeric key, and displays the found names on a display unit. The user can switch the telephone to telephone directory mode and perform a keyword search simply by pressing a numeric key for at least the predetermined time.Type: GrantFiled: January 5, 2006Date of Patent: March 3, 2009Assignee: Sanyo Electric Co., Ltd.Inventors: Hiroyuki Kusaka, Mitsuji Hama, Masahiro Naito, Eiji Kotobuki
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Patent number: 7342767Abstract: A ceramic base body includes primary phase particles containing a CaZrO3-based compound as a primary component and secondary phase particles containing at least Mn, and internal electrodes are primarily composed of Cu. There are about 2 parts by mole or more of Mn and about 0.69 parts by mole or more of Si pph by mole of primary component, are contained in the ceramic base body, and the area ratio of the secondary phase particles on a cross-section of the ceramic base body is about 0.1% or more. Of those secondary phase particles having a particle diameter of about 0.1 ?m or more, about 67% or more (preferably about 85% or more) contains Cu and Si. A multilayer ceramic capacitor containing the ceramic base body can be manufactured by performing a heat treatment at a temperature of about 700° C. or more in a reducing atmosphere at an oxygen partial pressure of about 10?8.5 MPa or less after the formation of external electrodes.Type: GrantFiled: September 8, 2006Date of Patent: March 11, 2008Assignee: Murata Manufacturing Co., Ltd.Inventors: Masahiro Naito, Noriyuki Inoue
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Publication number: 20080047519Abstract: An internal combustion engine, comprising, a cylinder head; a rotational shaft supported by said cylinder head and lubricated; a head cover arranged on said cylinder head; an end member arranged at an axial end of said rotational shaft; a first chamber defined at least by said cylinder head and said end member and accommodating said rotational shaft; a second chamber defined at least by said head cover and having an opening to said first chamber; and a baffle integrally formed with said end member and extending in an axial direction of said rotational shaft between said opening and said rotational shaft in a radial direction of said rotational shaft.Type: ApplicationFiled: July 23, 2007Publication date: February 28, 2008Applicant: MAZDA MOTOR CORPORATIONInventors: Masahiro Naito, Satoshi Tateishi, Takashi Sasada
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Publication number: 20070009719Abstract: A ceramic base body includes primary phase particles containing a CaZrO3-based compound as a primary component and secondary phase particles containing at least Mn, and internal electrodes are primarily composed of Cu. There are about 2 parts by mole or more of Mn and about 0.69 parts by mole or more of Si pph by mole of primary component, are contained in the ceramic base body, and the area ratio of the secondary phase particles on a cross-section of the ceramic base body is about 0.1% or more. Of those secondary phase particles having a particle diameter of about 0.1 ?m or more, about 67% or more (preferably about 85% or more) contains Cu and Si. A multilayer ceramic capacitor containing the ceramic base body can be manufactured by performing a heat treatment at a temperature of about 700° C. or more in a reducing atmosphere at an oxygen partial pressure of about 10?8.5 MPa or less after the formation of external electrodes.Type: ApplicationFiled: September 8, 2006Publication date: January 11, 2007Inventors: Masahiro Naito, Noriyuki Inoue
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Patent number: 7092511Abstract: A telephone enabling a user to search a telephone directory using a simple and trouble-free operation. The telephone has a storage unit for storing names to be called and corresponding telephone numbers, and an operating unit including a plurality of numeric keys that are each assigned different characters. The telephone also includes a control unit. When a key press of at least the predetermined time is received by the operating unit, the control unit searches the storage unit for names that include a character assigned to the pressed numeric key, and displays the found names on a display unit. The user can switch the telephone to telephone directory mode and perform a keyword search simply by pressing a numeric key for at least the predetermined time.Type: GrantFiled: November 30, 1998Date of Patent: August 15, 2006Assignee: Sanyo Electric Co., Ltd.Inventors: Hiroyuki Kusaka, Mitsuji Hama, Masahiro Naito, Eiji Kotobuki
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Publication number: 20060171525Abstract: A telephone enabling a user to search a telephone directory using a simple and trouble-free operation. The telephone has a storage unit for storing names to be called and corresponding telephone numbers, and an operating unit including a plurality of numeric keys that are each assigned different characters. The telephone also includes a control unit. When a key press of at least the predetermined time is received by the operating unit, the control unit searches the storage unit for names that include a character assigned to the pressed numeric key, and displays the found names on a display unit. The user can switch the telephone to telephone directory mode and perform a keyword search simply by pressing a numeric key for at least the predetermined time.Type: ApplicationFiled: January 5, 2006Publication date: August 3, 2006Inventors: Hiroyuki Kusaka, Mitsuji Hama, Masahiro Naito, Eiji Kotobuki
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Patent number: 7084837Abstract: The digital image output apparatus comprises a digital image decoder (1a) for decoding encoded digital image data and outputting image data update information (V2); an image data transfer area control unit (7) for determining a portion of the image data which has been updated in encoding according to the image data update information (V2) and outputting a result of the determination (VCT); an image data transfer unit (2a) for transferring digital image data (V1A) from the digital image decoder (1a) to an LCD memory (4) on the basis of the output signal (VCT) from the image data transfer area control unit (7); and the LCD memory (4) for storing the digital image data (V1A). A low-power digital image output apparatus is implemented by transferring image data depending on whether the image data has been updated in encoding of a digital image.Type: GrantFiled: June 12, 2001Date of Patent: August 1, 2006Assignee: Mitsubishi Denki Kabushiki KaishaInventors: Shuji Sotoda, Masahiro Naito
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Publication number: 20060139359Abstract: In the case where graphic data GD1 needing a high-speed rendering are to be written in a frame memory (14) from an image writing unit (1), the graphic data GD1 are written in the frame memory (14) in accordance with an instruction from the image writing unit (1) irrespective of the read state of graphic data GD2 to be read from the frame memory (14). In the case of the graphic data GD1 needing an ordinary speed, on the other hand, a write wait signal WT is outputted from a data write control unit (2) to the image writing unit (1) for the period till the read of the graphic data GD2 from the frame memory (14) ends. For the period while the write wait signal WT is being outputted, the write of the graphic data GD1 from the graphic data writing unit (1) is made to wait.Type: ApplicationFiled: February 19, 2004Publication date: June 29, 2006Inventors: Masahiro Naito, Hidehiko Nakatani, Naoto Sugawara
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Patent number: 6989825Abstract: In order to reduce the power consumed by the circuit when the image data is transferred to a memory in a display means, a write region detecting means 8 is provided to detect the address region in the graphics memory 2 accessed for writing by the image data writing means 1, and only such data that is within the region including the addresses accessed by the writing means 1 is transferred to the memory 5 in the display means 4. The region including the accessed addresses may for example a rectangular region of from the minimum vertical direction address to the maximum vertical direction address Y among the accessed addresses, and from the minimum horizontal direction address to the maximum horizontal direction address among the accessed addresses.Type: GrantFiled: May 9, 2001Date of Patent: January 24, 2006Assignee: Mitsubishi Denki Kabushiki KaishaInventors: Masahiro Naito, Shuji Sotoda, Takuji Kurashita, Kazuhiro Sugiyama
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Patent number: 6860247Abstract: In the variable valve timing system according to the present invention, portions of the intake-side advancing hydraulic line and a retarding hydraulic line respectively constitute annular grooves 104 and 113 for advancing and retarding provided on the intake camshaft 5 bearing surface 5a of the cam cap 4 which supports the camshafts 5 and 6. In addition, portions of the advancing hydraulic line and the retarding hydraulic line for exhaust respectively constitute annular grooves for advancing and retarding 123 and 133 provided on the exhaust camshaft 6 bearing surface 4b of the cam cap 4. Moreover, the annular groove for retarding 113 on the intake camshaft 5 bearing surface 4a and the annular groove for advancing 123 on the exhaust camshaft 6 bearing surface 4b are respectively provided in the center in the width direction of their respective bearing surfaces 4a and 4b.Type: GrantFiled: November 14, 2003Date of Patent: March 1, 2005Assignee: Mazda Motor CorporationInventors: Akira Asai, Masaki Fukuma, Masahiro Naito, Kouichi Shimizu, Ikuma Takahashi, Kazuhiro Tomizawa
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Patent number: 6820580Abstract: A rotational angle sensor and a hydraulic pressure control valve are disposed such that a detecting end surface of the rotational angle sensor disposed close to a sensor rotor attached to an exhaust camshaft is located in a spray area of return oil discharged through a drain hole formed at a cam cap, which flows down through a lower drain port of the hydraulic pressure control valve attached on the cam cap from a variable valve timing mechanism. Further, the detecting end surface is located forward in the rotational direction, shown as the arrow a, of the exhaust camshaft so that the return oil can be positively carried toward the detecting end surface by the rotation of the sensor rotor. Accordingly, this can maintain properly detecting accuracy of the rotational sensor disposed close to the camshaft.Type: GrantFiled: February 6, 2004Date of Patent: November 23, 2004Assignee: Mazda Motor CorporationInventors: Masahiro Naito, Masaki Fukuma, Kouichi Shimizu
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Publication number: 20040154566Abstract: A rotational angle sensor and a hydraulic pressure control valve are disposed such that a detecting end surface of the rotational angle sensor disposed close to a sensor rotor attached to an exhaust camshaft is located in a spray area of return oil discharged through a drain hole formed at a cam cap, which flows down through a lower drain port of the hydraulic pressure control valve attached on the cam cap from a variable valve timing mechanism. Further, the detecting end surface is located forward in the rotational direction, shown as the arrow a, of the exhaust camshaft so that the return oil can be positively carried toward the detecting end surface by the rotation of the sensor rotor. Accordingly, this can maintain properly detecting accuracy of the rotational sensor disposed close to the camshaft.Type: ApplicationFiled: February 6, 2004Publication date: August 12, 2004Applicant: Mazda Motor CorporationInventors: Masahiro Naito, Masaki Fukuma, Kouichi Shimizu
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Publication number: 20040094106Abstract: In the variable valve timing system according to the present invention, portions of the intake-side advancing hydraulic line and a retarding hydraulic line respectively constitute annular grooves 104 and 113 for advancing and retarding provided on the intake camshaft 5 bearing surface 5a of the cam cap 4 which supports the camshafts 5 and 6. In addition, portions of the advancing hydraulic line and the retarding hydraulic line for exhaust respectively constitute annular grooves for advancing and retarding 123 and 133 provided on the exhaust camshaft 6 bearing surface 4b of the cam cap 4. Moreover, the annular groove for retarding 113 on the intake camshaft 5 bearing surface 4a and the annular groove for advancing 123 on the exhaust camshaft 6 bearing surface 4b are respectively provided in the center in the width direction of their respective bearing surfaces 4a and 4b.Type: ApplicationFiled: November 14, 2003Publication date: May 20, 2004Applicant: Mazda Motor CorporationInventors: Akira Asai, Masaki Fukuma, Masahiro Naito, Kouichi Shimizu, Ikuma Takahashi, Kazuhiro Tomizawa
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Patent number: 6730624Abstract: A non-reducing dielectric ceramic contains Ca, Zr and Ti as metallic elements and does not contain Pb. In a CuK&agr; X-ray diffraction pattern, the ratio of the maximum peak intensity of secondary crystal phases to the maximum peak intensity at 2&thgr;=25° to 35° of a perovskite primary crystal phase is about 12% or less, the secondary crystal phases including all the crystal phases other than the perovskite primary crystal phase. The non-reducing dielectric ceramic exhibits superior insulating resistance and dielectric loss after firing in a neutral or reducing atmosphere and high reliability in a high-temperature loading lifetime test and is useful for producing compact high-capacitance monolithic ceramic capacitors.Type: GrantFiled: May 2, 2003Date of Patent: May 4, 2004Assignee: Murata Manufacturing Co., Ltd.Inventors: Tomoo Motoki, Masahiro Naito, Harunobu Sano
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Publication number: 20030210512Abstract: A non-reducing dielectric ceramic contains Ca, Zr and Ti as metallic elements and does not contain Pb. In a CuK&agr; X-ray diffraction pattern, the ratio of the maximum peak intensity of secondary crystal phases to the maximum peak intensity at 2&thgr;=25° to 35° of a perovskite primary crystal phase is about 12% or less, the secondary crystal phases including all the crystal phases other than the perovskite primary crystal phase. The non-reducing dielectric ceramic exhibits superior insulating resistance and dielectric loss after firing in a neutral or reducing atmosphere and high reliability in a high-temperature loading lifetime test and is useful for producing compact high-capacitance monolithic ceramic capacitors.Type: ApplicationFiled: May 2, 2003Publication date: November 13, 2003Applicant: Murata Manufacturing Co., Ltd.Inventors: Tomoo Motoki, Masahiro Naito, Harunobu Sano