Patents by Inventor Makoto Tsuruta
Makoto Tsuruta 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: 8479793Abstract: The present invention provides a tire with a belt having relatively high durability by improving fatigue resistance of cords at end portions of a circumferential belt layer, in particular, and especially proposes a radial tire for heavy load, having a relatively small aspect ratio.Type: GrantFiled: December 26, 2007Date of Patent: July 9, 2013Assignee: Bridgestone CorporationInventors: Yusuke Yoshikawa, Makoto Tsuruta
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Publication number: 20120328146Abstract: Sound generated by a sound emitting unit passes through a first sound passage defined between a first shielding board and a shielding cylinder and a second sound passage defined between a second shielding board and the shielding cylinder, and is emitted outside from a sound emitting hole defined in at least one of a case and a cover. The second shielding board and the shielding cylinder shield a space between the sound emitting hole and the first sound passage when the first sound passage is seen from the sound emitting hole.Type: ApplicationFiled: June 12, 2012Publication date: December 27, 2012Applicant: ANDEN CO., LTD.Inventors: Makoto Tsuruta, Susumu Miyata, Masaru Tsuchiya
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Patent number: 8327160Abstract: In a remote controller, a startup time or a first time duration until the startup time is input into an input unit. A timer unit counts a clock time or a second time duration. A control unit generates a signal to turn on an electrical apparatus when the second time duration reaches the first time duration, or when the clock time equals to the startup time. A transmitting unit transmits the signal. In the electrical apparatus, a main unit operates main function. A transformer supplies electricity from an external power source to the main unit through a switch. A rectifier rectifies the signal. A signal identifying unit identifies it. A reservation memory unit keeps parameter for main function. A control unit turns on the switch and controls the main unit according to the parameter when the signal is received. A battery supplies electricity to above units.Type: GrantFiled: July 13, 2009Date of Patent: December 4, 2012Assignee: Kabushiki Kaisha ToshibaInventors: Takafumi Sakamoto, Toshiyuki Nakanishi, Makoto Tsuruta, Keisuke Mera, Toshiyuki Umeda, Shoji Otaka
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Patent number: 8240676Abstract: There is provided a piston ring which can effectively prevent aluminum adhesion phenomenon to the piston ring. The piston ring includes a piston ring main body and a surface coating film on either upper or lower surface of the piston ring main body, or both the upper and lower surfaces of the piston ring. The surface coating film includes heat-resistant resin and copper based powder contained therein.Type: GrantFiled: February 27, 2007Date of Patent: August 14, 2012Assignees: Nippon Piston Ring Co., Ltd., STT Inc.Inventors: Tomotaka Kariya, Hideshi Hitosugi, Makoto Tsuruta
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Publication number: 20120180925Abstract: The present invention relates to a method of forming at least one circumferential belt layer of a pneumatic tire comprising: winding the strip for a half length of an outer circumferential length of the crown portion of the carcass along the tire equatorial plane from a widthwise inner side of the belt end region; winding the strip for the remaining half length while shifting the strip for the width of the strip from a widthwise inner to outer side; winding the strip for the outer circumferential length of the crown portion of the carcass along the tire equatorial plane; winding the strip for the half length of the outer circumferential length of the crown portion of the carcass while shifting the strip for the width of the strip from the widthwise outer to inner side; and winding the strip for the remaining half length along the tire equatorial plane.Type: ApplicationFiled: January 17, 2012Publication date: July 19, 2012Applicant: BRIDGESTONE CORPORATIONInventors: Yusuke YOSHIKAWA, Hiroshi NAKATA, Takashi OONO, Makoto TSURUTA
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Patent number: 8181968Abstract: A piston ring includes a piston ring body and a surface coating film formed on at least one of upper and lower surfaces of the piston ring body. The surface coating film comprises a heat-resistant resin and a metal powder contained in the heat-resistant resin, and a phosphate coating film is formed, as base coating film of the surface coating film, on a surface on which the surface coating film of the piston ring body is formed.Type: GrantFiled: August 22, 2008Date of Patent: May 22, 2012Assignees: Nippon Piston Ring Co., Ltd., STT Inc.Inventors: Etuo Tamegai, Hiromi Ishikawa, Tomotaka Kariya, Makoto Tsuruta
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Patent number: 8155245Abstract: A modulation scheme estimation apparatus includes a receiving unit receiving a first signal, a generation unit generating a plurality of first phase amounts, an acquisition unit acquiring a plurality of multiplication signals by multiplying the first signal by each of the first phase amounts, an extraction unit extracting a plurality of second signals corresponding to respective direct-current components of third signals obtained by subjecting the multiplication signals to Fourier transform, a first computation unit computing a plurality of sums, each of which is a sum of each of the multiplication signals and a corresponding one of the second signals, a second computation unit computing a plurality of absolute values of the sums, and a first identifying unit identifying a modulation scheme corresponding to one of the absolute values which has a highest similarity with respect to reference values associated with modulation schemes.Type: GrantFiled: December 22, 2008Date of Patent: April 10, 2012Assignee: Kabushiki Kaisha ToshibaInventors: Makoto Tsuruta, Mikihiro Yamazaki, Shizuo Akiyama
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Patent number: 8088496Abstract: A piston ring includes a piston ring body and a surface coating film formed on at least one of upper and lower surfaces of the piston ring body. The surface coating film has a most outside surface layer including a heat-resistant resin and a metal powder contained in the heat-resistant resin and a base bottom layer formed nearest the piston ring body and including a heat-resistant resin. The base bottom layer may also include a metal powder.Type: GrantFiled: August 22, 2008Date of Patent: January 3, 2012Assignees: Nippon Piston Co., Ltd, STT Inc.Inventors: Tomotaka Kariya, Etuo Tamegai, Hiromi Ishikawa, Makoto Tsuruta
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Patent number: 8085069Abstract: A starting apparatus includes: a storage unit storing an identifier; a rectifying unit rectifying a reception signal; a generating unit comparing the reception signal rectified in the rectifying unit to a reference signal and generating a digital signal from the reception signal; a judging unit judging whether or not the digital signal contains information of the identifier; a reference changing unit changing the reference signal when the judging unit judges that the reception signal does not contain information of the identifier; and a start instructing unit instructing start of an electric appliance when the judging unit judges that the reception signal contains information of the identifier.Type: GrantFiled: September 16, 2009Date of Patent: December 27, 2011Assignee: Kabushiki Kaisha ToshibaInventors: Shoji Otaka, Toshiyuki Umeda, Shigeyasu Iwata, Takafumi Sakamoto, Tsuyoshi Kogawa, Koji Ogura, Makoto Tsuruta, Yu Kaneko, Nobuhiko Sugasawa
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Publication number: 20110240198Abstract: An object of the present invention is to provide a pneumatic tire capable of reducing rolling resistance, while maintaining good durability of a belt.Type: ApplicationFiled: December 15, 2009Publication date: October 6, 2011Applicant: BRIDGESTONE CORPORATIONInventors: Yasutaka Suda, Hiroshi Nakata, Yusuko Yoshikawa, Takashi Ono, Makoto Tsuruta
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Publication number: 20100193102Abstract: The present invention includes a run-flat tire 1 comprising a plurality of turbulence generation ridges 20 which extend on a surface of a tire side portion 3 in a tire-radial direction and which are arranged at a pitch in a tire-circumferential direction and relationship Si>So is satisfied. Si is the sum of sidewall areas of all the turbulence generation ridges located at the inner side, in the tire-radial direction, of a maximum width position of the pneumatic tire. So is the sum of sidewall areas of all the turbulence generation ridges located at the outer side, in the tire-radial direction, of the tire maximum width position.Type: ApplicationFiled: July 30, 2008Publication date: August 5, 2010Applicant: BRIDGESTONE CORPORATIONInventors: Makoto Tsuruta, Masashi Yamaguchi, Atsushi Miyasaka
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Publication number: 20100164564Abstract: A starting apparatus includes: a storage unit storing an identifier; a rectifying unit rectifying a reception signal; a generating unit comparing the reception signal rectified in the rectifying unit to a reference signal and generating a digital signal from the reception signal; a judging unit judging whether or not the digital signal contains information of the identifier; a reference changing unit changing the reference signal when the judging unit judges that the reception signal does not contain information of the identifier; and a start instructing unit instructing start of an electric appliance when the judging unit judges that the reception signal contains information of the identifier.Type: ApplicationFiled: September 16, 2009Publication date: July 1, 2010Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Shoji Otaka, Toshiyuki Umeda, Shigeyasu Iwata, Takafumi Sakamoto, Tsuyoshi Kogawa, Koji Ogura, Makoto Tsuruta, Yu Kaneko, Nobuhiko Sugasawa
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Publication number: 20100039159Abstract: This control device includes: a rectifier to rectify a received signal; an amplifier having an amplifying element to amplify the signal rectified by the rectifier and an assisting element being connected to the amplifying element to assist the amplifying element; a determination unit to determine presence or absence of the signal amplified by the amplifier; and a controller to control the connection of the assisting element with the amplifying element at a predetermined timing.Type: ApplicationFiled: March 17, 2009Publication date: February 18, 2010Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Shoji Otaka, Toshiyuki Umeda, Takafumi Sakamoto, Makoto Tsuruta, Keisuke Mera, Yu Kaneko
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Publication number: 20100037082Abstract: In a remote controller, a startup time or a first time duration until the startup time is input into an input unit. A timer unit counts a clock time or a second time duration. A control unit generates a signal to turn on an electrical apparatus when the second time duration reaches the first time duration, or when the clock time equals to the startup time. A transmitting unit transmits the signal. In the electrical apparatus, a main unit operates main function. A transformer supplies electricity from an external power source to the main unit through a switch. A rectifier rectifies the signal. A signal identifying unit identifies it. A reservation memory unit keeps parameter for main function. A control unit turns on the switch and controls the main unit according to the parameter when the signal is received. A battery supplies electricity to above units.Type: ApplicationFiled: July 13, 2009Publication date: February 11, 2010Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Takafumi SAKAMOTO, Toshiyuki Nakanishi, Makoto Tsuruta, Keisuke Mera, Toshiyuki Umeda, Shoji Otaka
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Publication number: 20100024946Abstract: The present invention provides a tire with a belt having relatively high durability by improving fatigue resistance of cords at end portions of a circumferential belt layer, in particular, and especially proposes a radial tire for heavy load, having a relatively small aspect ratio.Type: ApplicationFiled: December 26, 2007Publication date: February 4, 2010Applicant: BRIDGESTONE CORPORATIONInventors: Yusuke Yoshikawa, Makoto Tsuruta
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Patent number: 7627047Abstract: An OFDM receiver apparatus mounted on a movable object for receiving an OFDM signal, includes a plurality of directional antennas which receive an OFDM signal, an estimator to estimate a center frequency of a spectrum of a Doppler component from one of the received signals or a multiplexed signal obtained by multiplexing the received signals, a shift quantity calculator to calculate a shift quantity from the estimated center frequency of the estimator and directivity information representing directivity directions of the directional antennas, a plurality of frequency shifters to subject the received signals to frequency shift according to the shift quantity to compensate for Doppler shift, a combining unit to diversity-combine frequency shifted signals of the frequency shifters, and a demodulator/decoder to demodulate and decode combining diversity signals of the combining unit.Type: GrantFiled: November 29, 2005Date of Patent: December 1, 2009Assignee: Kabushiki Kaisha ToshibaInventors: Makoto Tsuruta, Hidehiro Matsuoka, Hideo Kasami
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Publication number: 20090234981Abstract: A receiving apparatus includes: a receiving unit receiving a set of a plurality of signals in which at least a part of transfer rates is different during a certain period of time; a rate detecting unit detecting a plurality of transfer rates of the plurality of signals; a first obtaining unit obtaining first information based on the plurality of transfer rates; a second obtaining unit obtaining second information based on the plurality of signals; and a control signal generating unit generating a control signal based on the first and second information.Type: ApplicationFiled: December 10, 2008Publication date: September 17, 2009Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Toshiyuki Umeda, Makoto Tsuruta, Shoji Otaka
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Publication number: 20090207950Abstract: A modulation scheme estimation apparatus includes a receiving unit receiving a first signal, a generation unit generating a plurality of first phase amounts, an acquisition unit acquiring a plurality of multiplication signals by multiplying the first signal by each of the first phase amounts, an extraction unit extracting a plurality of second signals corresponding to respective direct-current components of third signals obtained by subjecting the multiplication signals to Fourier transform, a first computation unit computing a plurality of sums, each of which is a sum of each of the multiplication signals and a corresponding one of the second signals, a second computation unit computing a plurality of absolute values of the sums, and a first identifying unit identifying a modulation scheme corresponding to one of the absolute values which has a highest similarity with respect to reference values associated with modulation schemes.Type: ApplicationFiled: December 22, 2008Publication date: August 20, 2009Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Makoto Tsuruta, Mikihiro Yamazaki, Shizuo Akiyama
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Patent number: 7570578Abstract: An OFDM demodulator that demodulates an OFDM signal includes an antenna that receives a signal including delayed signals, an estimation circuit that estimates the channel response of the received signal, and a control circuit that controls a length of a retention time interval based on the estimated channel response. The retention time interval includes a time period from the head of a delayed signal having a maximum delay time in the delayed signals to the tail of a preceding signal in the delayed signals based on the estimated channel response. The OFDM demodulator also includes a retention memory that retains a portion of the received signal corresponding to the retention time period, and a selection circuit that selects an OFDM symbol based on a calculation of a maximum likelihood that the retained received signal is equivalent to a signal replica based on the channel response.Type: GrantFiled: November 8, 2005Date of Patent: August 4, 2009Assignee: Kabushiki Kaisha ToshibaInventors: Hideo Kasami, Hidehiro Matsuoka, Makoto Tsuruta
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Patent number: 7559349Abstract: A pneumatic tire to effectively enhance the transversal stiffness and prevented the carcass from breaking before the other reinforcement members break is provided. A tread rubber is arranged radially outwardly on the crown portion of the carcass. A belt consisting of at least one belt layer is arranged between the tread rubber and the carcass. The belt layer containing cords extending in a direction inclined from the tire's circumferential direction. At least one circumferential reinforcement layer containing meandering cords extending generally along the tire's circumferential direction in a wavy or zigzag shape is provided radially outwardly or inwardly on the belt or between the belt layers. At least one transversal reinforcement layer containing straight cords extending generally perpendicular to the tire's circumferential direction is provided on the position radially outwardly adjacent to the crown portion of the carcass.Type: GrantFiled: June 24, 2003Date of Patent: July 14, 2009Assignee: Bridgestone CorporationInventors: Makoto Tsuruta, Yuji Yamaguchi