Patents by Inventor Tetsuo Asano
Tetsuo Asano 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: 9289713Abstract: The present invention provides a filter medium causing a low pressure drop. The present invention is a filter medium including a porous fluororesin membrane and an air-permeable support member laminated on at least one surface of the porous fluororesin membrane. In this filter medium, the air-permeable support member is a blended nonwoven fabric containing: core-sheath fibers (A) having a polyester core and a polyolefin sheath; polyester fibers (B); and core-sheath fibers (C) having a polyester core and a copolymerized polyester sheath.Type: GrantFiled: February 18, 2013Date of Patent: March 22, 2016Assignee: Nitto Denko CorporationInventors: Shiho Uchiyama, Yuri Horie, Masahiro Arai, Masaaki Mori, Tetsuo Asano, Nobuhiro Matsunaga
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Publication number: 20150013295Abstract: The present invention provides a filter medium causing a low pressure drop. The present invention is a filter medium including a porous fluororesin membrane and an air-permeable support member laminated on at least one surface of the porous fluororesin membrane. In this filter medium, the air-permeable support member is a blended nonwoven fabric containing: core-sheath fibers (A) having a polyester core and a polyolefin sheath; polyester fibers (B); and core-sheath fibers (C) having a polyester core and a copolymerized polyester sheath.Type: ApplicationFiled: February 18, 2013Publication date: January 15, 2015Applicant: NITTO DENKO CORPORATIONInventors: Shiho Uchiyama, Yuri Horie, Masahiro Arai, Masaaki Mori, Tetsuo Asano, Nobuhiro Matsunaga
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Patent number: 8093793Abstract: An object of the present invention is to provide fluorescent lamps used as a light source for liquid crystal display devices, which have excellent characteristics in terms of preventing solarization, the properties for blocking ultraviolet rays, and the physical and thermal strength, and preventing scratching. The present invention provides fluorescent lamps made of glass containing 55.0% to 75.0% of SiO2; 10.0% to 25.0% of B2O3; 1.0% to 10.0% of Al2O3; 0% to 3.8% of Na2O; 0% to 3.0% of Li2O; 3.0% to 10.0% of K2O; 3.2% to 16.0% of Na2O+Li2O+K2O; 0.5% to 8% of TiO2; 0.1% to 5% of CeO2; 0.6% to 8.1% of TiO2+CeO2; 0.001% to 0.05% of Fe2O3; 0% to 0.7% of Sb2O3; 0.1% to 3.0% of SnO2; and 0.5% to 10.0% of at least one rare earth element selected from the group consisting of Gd, Y, La, Yb and Lu by weight, and is characterized in that the coefficient of linear expansion in a temperature range of 30° C. to 380° C. is 34×10?7/° C. to 58×10?7/° C.Type: GrantFiled: April 24, 2009Date of Patent: January 10, 2012Assignee: Hitachi Displays, Ltd.Inventors: Takashi Hoshimure, Tetsuo Asano, Hiroki Yamamoto, Takashi Naito
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Publication number: 20090267483Abstract: An object of the present invention is to provide fluorescent lamps used as a light source for liquid crystal display devices, which have excellent characteristics in terms of preventing solarization, the properties for blocking ultraviolet rays, and the physical and thermal strength, and preventing scratching. The present invention provides fluorescent lamps made of glass containing 55.0% to 75.0% of SiO2; 10.0% to 25.0% of B2O3; 1.0% to 10.0% of Al2O3; 0% to 3.8% of Na2O; 0% to 3.0% of Li2O; 3.0% to 10.0% of K2O; 3.2% to 16.0% of Na2O+Li2O+K2O; 0.5% to 8% of TiO2; 0.1% to 5% of CeO2; 0.6% to 8.1% of TiO2+CeO2; 0.001% to 0.05% of Fe2O3; 0% to 0.7% of Sb2O3; 0.1% to 3.0% of SnO2; and 0.5% to 10.0% of at least one rare earth element selected from the group consisting of Gd, Y, La, Yb and Lu by weight, and is characterized in that the coefficient of linear expansion in a temperature range of 30° C. to 380° C. is 34×10?7/° C. to 58×10?7/° C.Type: ApplicationFiled: April 24, 2009Publication date: October 29, 2009Inventors: Takashi Hoshimure, Tetsuo Asano, Hiroki Yamamoto, Takashi Naito
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Publication number: 20070167104Abstract: A vicinity part of a high-voltage feeding anode terminal, embedded in a funnel part and having a part thereof exposed on an outer wall surface of the funnel part, is washed with a hydrofluoric acid solution to remove a moisture-absorptive deposited substance adhering to the outer wall surface. According to a manufacturing method of this invention, anode leak failure due to unwanted discharge of the vicinity part of the high-voltage feeding anode can be restrained, and a projection cathode ray tube having an excellent display characteristic can be provided.Type: ApplicationFiled: January 18, 2007Publication date: July 19, 2007Inventors: Tetsuo Asano, Takashi Hoshimure, Sakae Watanabe
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Patent number: 7177051Abstract: A halftoning apparatus free of the occurrence of moiré and other artifacts under a simple technique. In the apparatus, the estimating section calculates the pixel value of the noteworthy pixel, which is to be converted into a binary value, based on other pixel values than that of the noteworthy pixel, and the binarizing section converts the multilevel value of the noteworthy pixel into a binary value.Type: GrantFiled: March 28, 2001Date of Patent: February 13, 2007Assignee: Fujitsu LimitedInventors: Nobuaki Usui, Tetsuo Asano
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Patent number: 7157844Abstract: In a projection cathode ray tube device in which a projection cathode ray tube and a projection lens assembly are coupled and held by a coupler, superior focus characteristics and high resolution are realized by eliminating the deviation between the center of the phosphor screen of the cathode ray tube and the center of the lens assembly. In the cathode ray tube, each of the outside and inside surfaces of a faceplate is formed as a spherical convex surface which is curved toward an electron gun.Type: GrantFiled: April 29, 2004Date of Patent: January 2, 2007Assignee: Hitachi Displays, Ltd.Inventors: Tetsuo Asano, Kenji Kato
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Publication number: 20060159353Abstract: A method is provided for creating a binary-coding pattern to be used in binary-coding a multi-value image. The method includes the steps of: creating a basic pattern shape of the prospective binary-coding pattern by a first arithmetic operation; determining the sequence of lighting pixels composing such basic pattern by a second arithmetic operation; and creating a rectangular pattern, which serves as the prospective binary-coding pattern, based on the resultant basic pattern. Hereby, it is possible to automatically create a centralized type of binary-coding pattern, and also it is possible to facilitate creating a minimum-sized binary-coding pattern.Type: ApplicationFiled: March 17, 2006Publication date: July 20, 2006Applicant: Fujitsu LimitedInventors: Akiko Nagae, Nobuaki Usui, Tetsuo Asano
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Patent number: 7075221Abstract: The present invention aims at maintaining the high focusing performance at a low deflection power in a single-beam projection tube which is used as a projection type TV receiver or a projector and is operated at a high voltage and with a high current. The neck outer diameter of a portion on which a deflection yoke is mounted is made smaller than the neck outer diameter of a portion which accommodates an electron gun.Type: GrantFiled: August 7, 2003Date of Patent: July 11, 2006Assignees: Hitachi, Ltd., Hitachi Electronic Devices, Ltd. Co.Inventors: Kouichi Saitou, Kazumasa Hirai, Tetsuo Asano, Kotaro Aoki, Yasuo Tanaka
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Patent number: 7050638Abstract: A method is provided for creating a binary-coding pattern to be used in binary-coding a multi-value image. The method includes the steps of: creating a basic pattern shape of the prospective binary-coding pattern by a first arithmetic operation; determining the sequence of lighting pixels composing such basic pattern by a second arithmetic operation; and creating a rectangular pattern, which serves as the prospective binary-coding pattern, based on the resultant basic pattern. Hereby, it is possible to automatically create a centralized type of binary-coding pattern, and also it is possible to facilitate creating a minimum-sized binary-coding pattern.Type: GrantFiled: December 4, 2001Date of Patent: May 23, 2006Assignee: Fujitsu LimitedInventors: Akiko Nagae, Nobuaki Usui, Tetsuo Asano
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Publication number: 20060097619Abstract: The present invention, to realize a compact projection-type television receiver set, provides a flattened projection-type cathode ray tube of a projection-type television receiver set. The projection-type cathode ray tube includes a phosphor screen panel, a phosphor screen formed on an inner surface of the phosphor screen panel, a face panel which is arranged to face the phosphor screen in an opposed manner, and an electron gun for forming an image on the phosphor screen, wherein the phosphor screen is inclined with respect to a tube axis on which the electron gun is arranged.Type: ApplicationFiled: November 3, 2005Publication date: May 11, 2006Inventors: Tetsuo Asano, Sakae Watanabe, Go Uchida
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Patent number: 6998767Abstract: A projection tube having a high focusing performance at a low deflection power includes a funnel, a neck portion and a stem portion which seals the neck portion. The neck portion of the projection tube includes a first neck portion which is connected to the funnel and has a first neck outer diameter, and also includes a second neck portion which accommodates an electron gun and has a second neck outer diameter which is larger than the first neck outer diameter.Type: GrantFiled: July 19, 2001Date of Patent: February 14, 2006Assignee: Hitachi Ltd.Inventors: Kouichi Saitou, Kazumasa Hirai, Tetsuo Asano, Kotaro Aoki, Yasuo Tanaka
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Patent number: 6972873Abstract: A halftoning apparatus free of the occurrence of moiré and other artifacts under a simple technique. In the apparatus, a binarizing section converts the multilevel value of a given noteworthy pixel of the multilevel input image into a binary value while pixels of the input image are scanned successively, an error diffusing section diffuses an occurred error in binary value with respect to the noteworthy pixel to unscanned pixels adjacent to the noteworthy pixel by one diffusion technique, and an error diffusion technique changing section changes the diffusion technique to another in accordance with a predetermined manner as the scanning of the successive pixels of the multilevel input image progresses.Type: GrantFiled: September 22, 2000Date of Patent: December 6, 2005Assignee: Fujitsu LimitedInventors: Nobuaki Usui, Tetsuo Asano
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Publication number: 20040217686Abstract: In a projection cathode ray tube device in which a projection cathode ray tube and a projection lens assembly are coupled and held by a coupler, superior focus characteristics and high resolution are realized by eliminating the deviation between the center of the phosphor screen of the cathode ray tube and the center of the lens assembly. In the cathode ray tube, each of the outside and inside surfaces of a faceplate is formed as a spherical convex surface which is curved toward an electron gun.Type: ApplicationFiled: April 29, 2004Publication date: November 4, 2004Inventors: Tetsuo Asano, Kenji Kato
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Publication number: 20040070125Abstract: To eliminate vibrations and noise in higher-order components of explosive vibrations of an engine in its idling revolution range, an insulator and a vibration-absorbing mechanism formed in line with the insulator are provided between an upper coupling member to be mounted on a vibratory body and a lower coupling member to be mounted on the car body. The vibration-absorbing mechanism comprises a main chamber sealed with liquid, a subsidiary chamber connected to the main chamber through a first orifice, an air chamber provided below the subsidiary chamber, a third liquid chamber connected to the main chamber through a second orifice, and a balance chamber partitioned and formed to the third liquid chamber through a second diaphragm. The balance chamber is provided with a changeover means introducing a negative pressure or atmospheric pressure and a control means controlling the actuation of the changeover means so as to synchronize it to vibration frequencies of higher-order components.Type: ApplicationFiled: April 30, 2003Publication date: April 15, 2004Inventors: Osamu Nakagaki, Tatsuo Suzuki, Norihiro YAMADA, Tetsuo Asano, Keiji Miyoshi
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Publication number: 20040027043Abstract: The present invention aims at maintaining the high focusing performance at a low deflection power in a single-beam projection tube which is used as a projection type TV receiver or a projector and is operated at a high voltage and with a high current. The neck outer diameter of a portion on which a deflection yoke is mounted is made smaller than the neck outer diameter of a portion which accommodates an electron gun.Type: ApplicationFiled: August 7, 2003Publication date: February 12, 2004Inventors: Kouichi Saitou, Kazumasa Hirai, Tetsuo Asano, Kotaro Aoki, Yasuo Tanaka
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Patent number: 6491504Abstract: A vibration-damping device capable of reducing the transmission of noise caused by a water pump of a hybrid vehicle, for example, to a vehicle compartment. The vibration-damping device includes a cushion member, a pump mounting member, and an elastic support member. The cushion member supports the pump, and includes holding portions each with a slit formed between an upper and lower surface thereof for insertion therein of end edges of a pump extension member that extends from the pump. The pump mounting member includes inverted L-shaped cross-section retaining portions provided on an upper surface thereof, the supporting portions being disposed between the retaining portions and the upper surface of the pump mounting member to retain the cushion member to the pump mounting member. The elastic support member engages a lower side of the pump to provide support against lateral deflection of the pump.Type: GrantFiled: April 26, 2001Date of Patent: December 10, 2002Assignee: Toyo Tire & Rubber Co., Ltd.Inventors: Osamu Nakagaki, Tatsuo Suzuki, Tetsuo Asano
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Publication number: 20020180335Abstract: The present invention aims at maintaining the high focusing performance at a low deflection power in a single-beam projection tube which is used as a projection type TV receiver or a projector and is operated at a high voltage and with a high current. The neck outer diameter of a portion on which a deflection yoke is mounted is made smaller than the neck outer diameter of a portion which accommodates an electron gun. The maximum anode voltage of the projection tube is set to equal to or more than 25 kV and the maximum beam current is set to equal to or more than 4 mA.Type: ApplicationFiled: July 19, 2001Publication date: December 5, 2002Inventors: Kouichi Saitou, Kazumasa Hirai, Tetsuo Asano, Kotaro Aoki, Yasuo Tanaka
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Publication number: 20020101617Abstract: A method is provided for creating a binary-coding pattern to be used in binary-coding a multi-value image. The method includes the steps of: creating a basic pattern shape of the prospective binary-coding pattern by a first arithmetic operation; determining the sequence of lighting pixels composing such basic pattern by a second arithmetic operation; and creating a rectangular pattern, which serves as the prospective binary-coding pattern, based on the resultant basic pattern. Hereby, it is possible to automatically create a centralized type of binary-coding pattern, and also it is possible to facilitate creating a minimum-sized binary-coding pattern.Type: ApplicationFiled: December 4, 2001Publication date: August 1, 2002Applicant: Fujitsu LimitedInventors: Akiko Nagae, Nobuaki Usui, Tetsuo Asano
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Patent number: 6412760Abstract: A liquid-filled type vibration isolator, having a vibration isolation mechanism, formed between first and second coupling members to be mounted to a vehicle body-side member, including: a rubber-like insulator for absorbing and isolating vibrations from the vibration member; a main chamber, whose chamber walls are formed by a portion of the insulator, and which is filled with liquid; a sub-chamber, whose chamber walls are partially formed by a first diaphragm, coupled to the main chamber through a first orifice; a partitioning member for partitioning between the main chamber and the sub-chamber; a second diaphragm for partitioning between a third liquid chamber to be coupled to the main chamber through a second orifice, and a balance chamber into which negative pressure is introduced.Type: GrantFiled: December 27, 2000Date of Patent: July 2, 2002Assignee: Toyoda Gosei Co., Ltd.Inventors: Yoshiki Shimoda, Tetsuo Asano