Patents by Inventor Takehiro Yamada
Takehiro Yamada 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: 11965843Abstract: A chemical bond evaluation method capable of directly evaluating the presence or absence of a chemical bond between silica and a silane coupling agent includes performing multidimensional solid-state nuclear magnetic resonance (NMR) analysis on a rubber composition comprising a rubber component, a silica, and a silane coupling agent; and evaluating the presence or absence of a chemical bond between silica and the silane coupling agent in the rubber composition containing a rubber component, the silica, and the silane coupling agent.Type: GrantFiled: August 16, 2022Date of Patent: April 23, 2024Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.Inventors: Masashi Fukuchi, Takehiro Kitaura, Hiroaki Yamada
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Patent number: 11960182Abstract: Provided is a light absorption anisotropic film capable of preparing an image display device having excellent display performance and excellent durability, and a laminate and an image display device formed of the light absorption anisotropic film. The light absorption anisotropic film is used for an image display device, which is formed of a liquid crystal composition containing a liquid crystal compound and a dichroic substance, in which in a signal derived from the dichroic substance detected by time-of-flight secondary ion mass spectrometry, a relationship between a maximum intensity Imax of the light absorption anisotropic film in a thickness direction and an intensity Isur1 in a surface of the light absorption anisotropic film on a viewing side of the image display device satisfies Expression (I-1) 2.0?Imax/Isur1.Type: GrantFiled: December 1, 2022Date of Patent: April 16, 2024Assignee: FUJIFILM CorporationInventors: Yumi Kato, Naoki Koito, Hiroshi Matsuyama, Akihiro Sugita, Takehiro Kasahara, Naoyoshi Yamada
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Patent number: 11686965Abstract: A light control sheet including a light control layer switchable between a transparent state and an opaque state, and transparent electrode layers sandwiching the light control layer. The light control layer includes a transparent polymer layer that has domains whose average size is 1.0 ?m-1.55 ?m, and the light control layer includes a liquid crystal composition at a concentration of 37%-55% such that the liquid crystal composition fills the domains.Type: GrantFiled: December 28, 2021Date of Patent: June 27, 2023Assignee: TOPPAN Inc.Inventors: Toshiji Yasuhara, Takehiro Yamada
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Publication number: 20220121047Abstract: A light control sheet including a light control layer switchable between a transparent state and an opaque state, and transparent electrode layers sandwiching the light control layer. The light control layer includes a transparent polymer layer that has domains whose average size is 1.0 ?m-1.55 ?m, and the light control layer includes a liquid crystal composition at a concentration of 37%-55% such that the liquid crystal composition fills the domains.Type: ApplicationFiled: December 28, 2021Publication date: April 21, 2022Applicant: TOPPAN Inc.Inventors: Toshiji YASUHARA, Takehiro YAMADA
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Publication number: 20220100082Abstract: A photomask is used for scanning type projection exposure provided with a projection lens assembly composed of a lens assembly. A line width in a plurality of patterns of the photomask in a region to be transferred by performing scanning exposure including connecting portions of the lens assembly are corrected with respect to a line width of patterns which are the same as the patterns of the photomask present in a region to be transferred by performing scanning exposure but do not include the connecting portions.Type: ApplicationFiled: December 9, 2021Publication date: March 31, 2022Applicant: TOPPAN INC.Inventors: Akihito OKUMURA, Hiroaki MIYAJI, Takehiro YAMADA
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Publication number: 20210271160Abstract: A photomask is used for scanning type projection exposure provided with a projection lens assembly composed of a lens assembly. A line width in a plurality of patterns of the photomask in a region to be transferred by performing scanning exposure including connecting portions of the lens assembly are corrected with respect to a line width of patterns which are the same as the patterns of the photomask present in a region to be transferred by performing scanning exposure but do not include the connecting portions.Type: ApplicationFiled: May 18, 2021Publication date: September 2, 2021Applicant: TOPPAN PRINTING CO., LTD.Inventors: Akihito OKUMURA, Hiroaki MIYAJI, Takehiro YAMADA
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Publication number: 20210072572Abstract: A light control device including a light control sheet including a light control layer switchable between at least a first state and a second state by changing alignment of liquid crystal molecules by application of a drive voltage, and transparent electrode layers sandwiching the light control layer. The light control layer is transparent in the first state and turbid in the second state. The light control layer is in the second state when there is no application of the drive voltage. When the light control layer is in the second state, the light control sheet has a transmitted image definition of 70% or less, where the transmitted image definition is based on JIS K 7374:2007 with an optical comb width set to 0.125 mm.Type: ApplicationFiled: November 16, 2020Publication date: March 11, 2021Applicant: TOPPAN PRINTING CO., LTD.Inventors: Takehiro YAMADA, Yusuke HIGASHI
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Publication number: 20190155147Abstract: A photomask is used for scanning type projection exposure provided with a projection lens assembly composed of a lens assembly. A line width in a plurality of patterns of the photomask in a region to be transferred by performing scanning exposure including connecting portions of the lens assembly are corrected with respect to a line width of patterns which are the same as the patterns of the photomask present in a region to be transferred by performing scanning exposure but do not include the connecting portions.Type: ApplicationFiled: January 19, 2019Publication date: May 23, 2019Applicant: TOPPAN PRINTING CO., LTD.Inventors: Akihito OKUMURA, Hiroaki MIYAJI, Takehiro YAMADA
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Patent number: 7429053Abstract: A subframe structure for an automotive vehicle wherein a subframe is attached through a rubber mount to a vehicle body, suspension components are assembled onto the subframe so that the suspension components are held connected to the vehicle body through the subframe, and a detecting assembly capable of providing an output signal according to a load that acts between a subframe and a vehicle body is provided. A rubber mount for use in this subframe structure is also disclosed.Type: GrantFiled: September 6, 2005Date of Patent: September 30, 2008Assignees: Tokai Rubber Industries, Ltd., Sumitomo Rubber Industries, Ltd., Sumitomo Electric Industries, Ltd., Advics Co., Ltd.Inventors: Akira Katagiri, Takehiro Yamada, Akihiro Miyoshi, Tamio Tsurita, Motoshi Suzuki
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Publication number: 20070221460Abstract: A vibration damping device for use in an internal combustion engine including: a rigid housing having a hollow space; an independent mass member housed within the hollow space; and at least one rubber sleeve being independent of the housing and the mass member and being disposed within an empty space between the housing and the mass member so as to extend over an entire circumference of the empty space with a constant thickness dimension. An inside tiny gap is formed between an inner circumferential surface of the rubber sleeve and an outer surface of the mass member over an entire circumference thereof, while an outside tiny gap is formed between an outer circumferential surface of the rubber sleeve and an inner surface of the housing over an entire circumference thereof at room temperature of 25° C.Type: ApplicationFiled: March 9, 2007Publication date: September 27, 2007Applicant: TOKAI RUBBER INDUSTRIES, LTD.Inventors: Shijie Guo, Atsushi Muramatsu, Yoshinori Yasumoto, Takehiro Yamada
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Publication number: 20070069434Abstract: A vibration damping device including: at least one elastic plate member adapted to be superposed against a surface of a vibrating member to be damped, and having a natural frequency tuned to a frequency band to be damped in the vibrating member; and a positioning member for positioning the elastic plate member with respect to the surface of the vibrating member.Type: ApplicationFiled: September 27, 2006Publication date: March 29, 2007Applicant: TOKAI RUBBER INDUSTRIES, LTD.Inventors: Rentaro Kato, Shijie Guo, Takehiro Yamada, Yoshinori Yasumoto
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Patent number: 7174594Abstract: A car washing machine (1) is composed of a front body (1A) provided with a rocker brush (11), a top brush (12), side brushes (13) and so forth as washing means for washing a vehicle (2), and a rear body (1B) provided with a top nozzle (21), side nozzles (22) and so forth as drying means for drying the vehicle (2). The front and rear bodies (1A and 1B) are capable of separately traveling. According to this arrangement, the washing operation of the vehicle (2) using the washing means provided on the front body (1A) and the drying operation using the drying means provided on the rear body (1B) can be executed in a spaced apart relationship, thus preventing the drying finish from being deteriorated by water splashes produced during the washing operation.Type: GrantFiled: March 28, 2002Date of Patent: February 13, 2007Assignee: Daifuku Co., Ltd.Inventors: Akira Ikari, Nobuhiro Ishida, Nobuhiko Kawai, Katsuya Kitanaka, Takehiro Yamada
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Patent number: 7094310Abstract: A high-pressure composite pipe includes a pipe-shaped inner layer made of a synthetic resin, and a reinforcing layer made of a stretched polyolefin resin sheet and wound on an external circumferential surface of the inner layer, with a winding direction of the reinforcing layer being oriented at a predetermined angle relative to an axis of the pipe, and a method for joining high-pressure composite pipes each including a pipe-shaped inner layer made of a synthetic resin, a reinforcing layer made of a stretched polyolefin resin sheet and wound on an external circumferential surface of the inner layer, and an outer layer made of a synthetic resin and laminated on the reinforcing layer.Type: GrantFiled: May 2, 2003Date of Patent: August 22, 2006Assignee: Sekisui Chemical Co., Ltd.Inventors: Koji Yamaguchi, Mitsuhide Nogami, Yasuo Yamabe, Masanori Nakamura, Katsuo Matsuzaka, Takehiro Yamada, Satoshi Koma, Kenji Mizukawa, Hideki Sakakihara, Toshihide Nonaka
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Publication number: 20060049603Abstract: A subframe structure for an automotive vehicle wherein a subframe is attached through a rubber mount to a vehicle body, suspension components are assembled onto the subframe so that the suspension components are held connected to the vehicle body through the subframe, and a detecting assembly capable of providing an output signal according to a load that acts between a subframe and a vehicle body is provided. A rubber mount for use in this subframe structure is also disclosed.Type: ApplicationFiled: September 6, 2005Publication date: March 9, 2006Applicants: TOKAI RUBBER INDUSTRIES, LTD., SUMITOMO RUBBER INDUSTRIES, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD., ADVICS CO., LTD.Inventors: Akira Katagiri, Takehiro Yamada, Akihiro Miyoshi, Tamio Tsurita, Motoshi Suzuki
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Patent number: 6688339Abstract: A high-pressure composite pipe of the present invention comprises an inner layer pipe made of a synthetic resin, and a reinforcing layer formed by spirally winding a stretched polyolefin resin sheet on an external circumferential surface of the inner layer pipe. The synthetic resin for the inner layer pipe or a heat-sealable resin is filled into a gap defined by the stretched polyolefin resin sheet, thereby avoiding penetration of water from a cut surface of the pipe.Type: GrantFiled: February 27, 2003Date of Patent: February 10, 2004Assignee: Sekisui Chemical Co., Ltd.Inventors: Koji Yamaguchi, Katsuo Matsuzaka, Takehiro Yamada, Koichi Adachi, Mitsuhide Nogami
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Publication number: 20040007279Abstract: As the first object, the present invention intends to provide high-pressure composite pipes which show remarkable pressure resistance and optimum applicability in various uses and which can be economically manufactured in a light weight. As the second object, the present invention intends to provide a joining method which is capable of firmly joining the high-pressure composite pipes in a simple operation, firmly joining the high-pressure composite pipes by reinforcing the joint strength at the butt-fused area, and making a joint area adjustable to strain of the high-pressure composite pipes. To achieve these objects, a high-pressure composite pipe of the present invention comprises a pipe-shaped inner layer made of a synthetic resin, a reinforcing layer made of a stretched polyolefin resin sheet and wound on an external circumferential surface of the inner layer, and an outer layer made of a synthetic resin and disposed on an external circumferential surface of the reinforcing layer.Type: ApplicationFiled: May 2, 2003Publication date: January 15, 2004Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Koji Yamaguchi, Mitsuhide Nogami, Yasuo Yamabe, Masanori Nakamura, Katsuo Matsuzaka, Takehiro Yamada, Satoshi Koma, Kenji Mizukawa, Hideki Sakakihara, Toshihide Nonaka
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Patent number: 6629547Abstract: As the first object, the present invention intends to provide high-pressure composite pipes which show remarkable pressure resistance and optimum applicability in various uses and which can be economically manufactured in a light weight. To achieve this object, a high-pressure composite pipe of the present invention comprises a pipe-shaped inner layer made of a synthetic resin, a reinforcing layer made of a stretched polyolefin resin sheet and wound on an external circumferential surface of the inner layer, and an outer layer made of a synthetic resin and disposed on an external circumferential surface of the reinforcing layer. The winding direction of the reinforcing layer is oriented at a predetermined angle relative to the axis of the pipe. Between the inner layer and the reinforcing layer and between the outer layer and the reinforcing layer, adhesion layers having affinity to these layers are interposed.Type: GrantFiled: April 9, 2001Date of Patent: October 7, 2003Assignee: Sekisui Chemical Co., Ltd.Inventors: Koji Yamaguchi, Mitsuhide Nogami, Yasuo Yamabe, Masanori Nakamura, Katsuo Matsuzaka, Takehiro Yamada, Satoshi Koma, Kenji Mizukawa, Hideki Sakakihara, Toshihide Nonaka
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Publication number: 20030178082Abstract: A high-pressure composite pipe of the present invention comprises an inner layer pipe made of a synthetic resin, and a reinforcing layer formed by spirally winding a stretched polyolefin resin sheet on an external circumferential surface of the inner layer pipe. The synthetic resin for the inner layer pipe or a heat-sealable resin is filled into a gap defined by the stretched polyolefin resin sheet, thereby avoiding penetration of water from a cut surface of the pipe.Type: ApplicationFiled: February 27, 2003Publication date: September 25, 2003Inventors: Koji Yamaguchi, Katsuo Matsuzaka, Takehiro Yamada, Koichi Adachi, Mitsuhide Nogami
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Publication number: 20020144366Abstract: A car washing machine (1) is composed of a front body (1A) provided with a rocker brush (11), a top brush (12), side brushes (13) and so forth as washing means for washing a vehicle (2), and a rear body (1B) provided with a top nozzle (21), side nozzles (22) and so forth as drying means for drying the vehicle (2). The front and rear bodies (1A and 1B) are capable of separately traveling. According to this arrangement, the washing operation of the vehicle (2) using the washing means provided on the front body (1A) and the drying operation using the drying means provided on the rear body (1B) can be executed in a spaced apart relationship, thus preventing the drying finish from being deteriorated by water splashes produced during the washing operation.Type: ApplicationFiled: March 28, 2002Publication date: October 10, 2002Applicant: DAIFUKU CO., LTD.Inventors: Akira Ikari, Nobuhiro Ishida, Nobuhiko Kawai, Katsuya Kitanaka, Takehiro Yamada
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Publication number: 20020067529Abstract: On a subscriber's line between an optical network unit and an optical line terminator according to the present invention, an ATM-PON transmission frame is able to be transmitted with an STM signal inserted therein, and an STM-PON transmission frame is able to be transmitted with an ATM signal inserted therein. The ATM signal and the STM signal are transmitted coexisting with each other, whereby an STM network and an ATM network can be integrated on the subscriber's line.Type: ApplicationFiled: August 20, 2001Publication date: June 6, 2002Applicant: FUJITSU DENSO LTD.Inventors: Tetsuya Yokomoto, Koji Aoki, Takehiro Yamada, Hirokazu Shimada, Tohru Hayasaka