Patents by Inventor Runa Nakamura
Runa Nakamura 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: 20220289169Abstract: A truck is provided. An electric motor generates a traveling drive force. A battery supplies power to the electric motor. An engine drives a generator capable of charging the battery. The battery is provided between the electric motor and the engine in a front-and-rear direction of the truck.Type: ApplicationFiled: June 1, 2022Publication date: September 15, 2022Applicant: HONDA MOTOR CO., LTD.Inventors: Toru Kawai, Runa Nakamura, Masaki Takahashi
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Patent number: 9671528Abstract: There is provided an optical sheet which can prevent problems when it is superimposed on another member. The optical sheet includes: a sheet-like base layer; a light control layer having unit shaped elements arranged in a direction parallel to a sheet surface of the base layer; and a light diffusing layer disposed between the base layer and the light control layer. The light diffusing layer includes a binder resin portion and particles dispersed in the binder resin portion. The particles in the binder resin portion includes a single particle and an aggregate formed of aggregated single particles.Type: GrantFiled: October 6, 2009Date of Patent: June 6, 2017Assignee: Dai Nippon Printing Co., Ltd.Inventors: Takayuki Shimada, Fumihiro Arakawa, Satoshi Goishihara, Hiroshi Kojima, Runa Nakamura, Akinobu Ushiyama, Satoko Maenishi, Kazuki Tanaka, Akiko Tomita
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Patent number: 9261640Abstract: A liquid crystal display apparatus includes a liquid crystal display panel including a liquid crystal cell between first second polarizing plates; and a surface light source device. The surface light source device includes a light source unit, a light guide plate for outputting first directivity light having directivity of maximum intensity in a first direction, which forms a predetermined angle from a normal direction of the light output surface in a plane approximately parallel to a light guiding direction of light, and having a high ratio of a polarized light component oscillating in the plane and a prism sheet being configured to convert the first directivity light into second directivity light directed in a second direction within a predetermined angle from the normal direction of the light output surface of the light guide plate while substantially maintaining a polarization state of the first directivity light.Type: GrantFiled: February 14, 2013Date of Patent: February 16, 2016Assignees: KEIO UNIVERSITY, DAI NIPPON PRINTING CO., LTD., NITTO DENKO CORPORATION, NITTO JUSHI KOGYO CO., LTD.Inventors: Yasuhiro Koike, Runa Nakamura, Fumihiro Arakawa, Hiroshi Yamamoto, Takehito Fuchida, Shouhei Maezawa, Hiroyuki Takemoto, Nao Murakami, Tsuyoshi Ishikawa, Eizaburo Higuchi
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Patent number: 9261731Abstract: A liquid crystal display apparatus comprises: a liquid crystal display panel including a liquid crystal cell between a first polarizing plate and a second polarizing plate; and a surface light source device having a light source unit and a light guide plate. In a polarized light output from the light guide plate, when the normal direction of a light output surface is defined to be at a polar angle of 90°, and the light guiding direction of the light guide plate is defined to be a direction of an azimuth angle of 0°-180°, a ratio La/Lt of integrated intensity La of output light in ranges where the polar angle is 50° to 80° and the azimuth angle is 135° to 225°, 0° to 45°, and 315° to 360° to integrated intensity Lt of total output light is 0.3 or more.Type: GrantFiled: February 14, 2013Date of Patent: February 16, 2016Assignees: KEIO UNIVERSITY, NITTO DENKO CORPORATION, DAI NIPPON PRINTING CO., LTD., NITTO JUSHI KOGYO CO., LTD.Inventors: Yasuhiro Koike, Takehito Fuchida, Shouhei Maezawa, Hiroyuki Takemoto, Nao Murakami, Runa Nakamura, Fumihiro Arakawa, Hiroshi Yamamoto, Tsuyoshi Ishikawa, Eizaburo Higuchi
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Patent number: 9213929Abstract: The pattern printed sheet 1 of the present invention includes a substrate 2 and a non-visible light-reflective transparent pattern 3 printed on a surface of the substrate, wherein an ink for forming the transparent pattern 3 contains a non-visible light-reflective material capable of selectively reflecting a light having a wavelength in a non-visible light range, and the transparent pattern 3 printed on the surface of the substrate 2 has a multilayer structure in section which is repeated at predetermined intervals as observed by a scanning electron microscope, and reflects only a circular polarization component in a predetermined rotation direction relative to an incident light applied thereto.Type: GrantFiled: May 25, 2007Date of Patent: December 15, 2015Assignee: DAI NIPPON PRINTING CO., LTD.Inventors: Keiko Tazaki, Yuichi Miyazaki, Satoko Maenishi, Runa Nakamura, Toshio Yoshihara, Yuudai Yamashita
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Publication number: 20150301384Abstract: A liquid crystal display apparatus comprises: a liquid crystal display panel including a liquid crystal cell between a first polarizing plate and a second polarizing plate; and a surface light source device having a light source unit and a light guide plate. In a polarized light output from the light guide plate, when the normal direction of a light output surface is defined to be at a polar angle of 90°, and the light guiding direction of the light guide plate is defined to be a direction of an azimuth angle of 0°-180°, a ratio La/Lt of integrated intensity La of output light in ranges where the polar angle is 50° to 80° and the azimuth angle is 135° to 225°, 0° to 45°, and 315° to 360° to integrated intensity Lt of total output light is 0.3 or more.Type: ApplicationFiled: February 14, 2013Publication date: October 22, 2015Applicants: KEIO UNIVERSITY, NITTO DENKO CORPORATION, DAI NIPPON PRINTING CO., LTD., NITTO JUSHI KOGYO CO., LTD.Inventors: Yasuhiro Koike, Takehito Fuchida, Shouhei Maezawa, Hiroyuki Takemoto, Nao Murakami, Runa Nakamura, Fumihiro Arakawa, Hiroshi Yamamoto, Tsuyoshi Ishikawa, Eizaburo Higuchi
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Publication number: 20150085470Abstract: There is provided an optical sheet which can prevent problems when it is superimposed on another member. The optical sheet includes: a sheet-like base layer; a light control layer having unit shaped elements arranged in a direction parallel to a sheet surface of the base layer; and a light diffusing layer disposed between the base layer and the light control layer. The light diffusing layer includes a binder resin portion and particles dispersed in the binder resin portion. The particles in the binder resin portion include a single particle and an aggregate formed of aggregated single particles.Type: ApplicationFiled: December 4, 2014Publication date: March 26, 2015Inventors: Takayuki SHIMADA, Fumihiro ARAKAWA, Satoshi GOISHIHARA, Hiroshi KOJIMA, Runa NAKAMURA, Akinobu USHIYAMA, Satoko MAENISHI, Kazuki TANAKA, Akiko TOMITA
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Publication number: 20150029442Abstract: A liquid crystal display apparatus includes a liquid crystal display panel including a liquid crystal cell between first second polarizing plates; and a surface light source device. The surface light source device includes a light source unit, a light guide plate for outputting first directivity light having directivity of maximum intensity in a first direction, which forms a predetermined angle from a normal direction of the light output surface in a plane approximately parallel to a light guiding direction of light, and having a high ratio of a polarized light component oscillating in the plane and a prism sheet being configured to convert the first directivity light into second directivity light directed in a second direction within a predetermined angle from the normal direction of the light output surface of the light guide plate while substantially maintaining a polarization state of the first directivity light.Type: ApplicationFiled: February 14, 2013Publication date: January 29, 2015Applicants: KEIO UNIVERSITY, DAI NIPPON PRINTING CO., LTD., NITTO DENKO CORPORATION, NITTO JUSHI KOGYO CO., LTD.Inventors: Yasuhiro Koike, Runa Nakamura, Fumihiro Arakawa, Hiroshi Yamamoto, Takehito Fuchida, Shouhei Maezawa, Hiroyuki Takemoto, Nao Murakami, Tsuyoshi Ishikawa, Eizaburo Higuchi
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Patent number: 8169707Abstract: A sheet-like optical member being difficult to damage a shape of a lens part. The sheet-like optical member includes: a substrate; and a lens part, which is formed on the substrate, is made of an active energy ray-curable resin, and has a plurality of unit prisms. The maximum logarithmic attenuation rate ?E of the lens part measured by a rigid body pendulum method is 0.4 or less.Type: GrantFiled: March 27, 2008Date of Patent: May 1, 2012Assignee: Dai Nippon Printing Co., Ltd.Inventors: Runa Nakamura, Naoyuki Mitsuyasu, Satoko Maenishi, Nobuaki Nakao
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Publication number: 20110280004Abstract: There is provided an optical sheet which can prevent problems when it is superimposed on another member. The optical sheet (10) includes: a sheet-like base layer (32); a light control layer (35) having unit shaped elements (38) arranged in a direction parallel to a sheet surface of the base layer; and a light diffusing layer (40) disposed between the base layer and the light control layer. The light diffusing layer includes a binder resin portion (42) and particles (45) dispersed in the binder resin portion (42). The particles (45) in the binder resin portion (42) includes a single particle (46) and an aggregate (47) formed of aggregated single particles (46).Type: ApplicationFiled: October 6, 2009Publication date: November 17, 2011Applicant: Dai Nippon Printing Co., Ltd.Inventors: Takayuki Shimada, Fumihiro Arakawa, Satoshi Goishihara, Hiroshi Kojima, Runa Nakamura, Akinobu Ushiyama, Satoko Maenishi, Kazuki Tanaka, Akiko Tomita
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Patent number: 7812907Abstract: A film with alignment film which stably causes liquid crystal alignment and is excellent in adhesion between its constituting layers so as to give a high endurance and an excellent re-workability, and further to provide an optical device using the same. The film with alignment film contains at least a resin substrate and an alignment film, wherein the film is provided with a photocurable resin layer between the resin substrate and the alignment film, the photocurable resin layer being formed by use of a photo-cleaving type photopolymerization initiator. The optical device contains at least a resin substrate, an alignment film, and an optically functional layer, wherein the device is provided with a photocurable resin layer between the resin substrate and the alignment film, the photocurable resin layer being formed by use of a photo-cleaving type photopolymerization initiator.Type: GrantFiled: February 28, 2006Date of Patent: October 12, 2010Assignee: Dai Nippon Printing Co., Ltd.Inventor: Runa Nakamura
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Publication number: 20100159158Abstract: An optical functional film exhibiting optical biaxiality which has a high degree of freedom in optical characteristics design. The optical functional film which exhibits optical biaxiality and includes: a substrate; and an optical functional layer formed on the substrate and having a rodlike compound. The rodlike compound forms irregular-random homogeneous alignment in the optical functional layer.Type: ApplicationFiled: May 14, 2007Publication date: June 24, 2010Inventors: Takayuki Shibata, Keiji Kashima, Shoji Takeshige, Kenji Shirai, Takeshi Haritani, Yusuke Hiruma, Runa Nakamura, Hiroki Nakagawa, Masanori Fukuda, Takashi Kuroda, Yuya Inomata
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Publication number: 20100103529Abstract: A sheet-like optical member being difficult to damage a shape of a lens part. The sheet-like optical member includes: a substrate; and a lens part, which is formed on the substrate, is made of an active energy ray-curable resin, and has a plurality of unit prisms. The maximum logarithmic attenuation rate ?E of the lens part measured by a rigid body pendulum method is 0.4 or less.Type: ApplicationFiled: March 27, 2008Publication date: April 29, 2010Inventors: Runa Nakamura, Naoyuki Mitsuyasu, Satoko Maenishi, Nobuaki Nakao
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Publication number: 20090268138Abstract: A film with alignment film which stably causes liquid crystal alignment and is excellent in adhesion between its constituting layers so as to give a high endurance and an excellent re-workability, and further to provide an optical device using the same. The film with alignment film contains at least a resin substrate and an alignment film, wherein the film is provided with a photocurable resin layer between the resin substrate and the alignment film, the photocurable resin layer being formed by use of a photo-cleaving type photopolymerization initiator. The optical device contains at least a resin substrate, an alignment film, and an optically functional layer, wherein the device is provided with a photocurable resin layer between the resin substrate and the alignment film, the photocurable resin layer being formed by use of a photo-cleaving type photopolymerization initiator.Type: ApplicationFiled: February 28, 2006Publication date: October 29, 2009Inventor: Runa Nakamura
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Publication number: 20090251642Abstract: A retardation film that is used as a polarizing plate protective film, thereby making it possible to yield a polarizing plate which is very good in durability and has a viewing angle compensation function. The retardation film has: an optical anisotropic film, in which a relation of nx>ny is realized between a refractive index “nx” in a slow axis direction of an in-plane direction and a refractive index “ny” in a fast axis direction of the in-plane direction; and a retardation layer formed on the optical anisotropic film and containing a liquid crystalline material, in which a relation of nx?ny<nz is realized between refractive indexes “nx” and “ny” in arbitrary directions “x” and “y” of an in-plane direction which are perpendicular to each other and a refractive index “nz” in a thickness direction. The optical anisotropic film uses a transparent substrate having a cellulose derivative.Type: ApplicationFiled: July 17, 2007Publication date: October 8, 2009Inventors: Runa Nakamura, Hiroki Nakagawa, Takashi Kuroda, Yuya Inomata, Masanori Fukuda
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Patent number: 7531223Abstract: The present invention provides an optical element capable of improving the adhesive property between a refractive index anisotropic layer and an alignment property providing layer for providing alignment property to the refractive index anisotropic layer and further improving the endurance of each of the layers.Type: GrantFiled: December 22, 2005Date of Patent: May 12, 2009Assignee: Dai Nippon Printing Co., Ltd.Inventors: Keiko Tazaki, Runa Nakamura
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Patent number: 7527836Abstract: The present invention provides an optical element capable of improving the adhesion between the alignment property providing layer, for providing the alignment property to the refractive index anisotropic layer, and the refractive index anisotropic layer, as well as improving durability of each layer.Type: GrantFiled: December 22, 2005Date of Patent: May 5, 2009Assignee: Dai Nippon Printing Co., Ltd.Inventors: Keiko Tazaki, Runa Nakamura
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Publication number: 20090015548Abstract: Provided is an image projection system including a screen, an input terminal, an image processing unit, an image projector, and invisible light ray-shielding member, characterized in that: the screen has a pattern-printed sheet having reflection patterns for transmitting positional information by reflecting invisible light rays or absorption patterns for transmitting positional information by absorbing invisible light rays; the input terminal has an invisible light ray-applying portion, detects a reflected light ray of an invisible light ray, which is applied from the invisible light ray-applying portion and reflected from a specific site of the pattern-printed sheet, reads positional information of any one of the reflection patterns or any one of the absorption patterns, and outputs the positional information to the image processing unit; the image processing unit converts the positional information input from the input terminal into image information A, and transfers the image information A to the image proType: ApplicationFiled: June 27, 2008Publication date: January 15, 2009Inventors: Keiko Tazaki, Runa Nakamura, Satoko Maenishi
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Publication number: 20080233281Abstract: A composition for an aligning film that may have significantly improved adhesion to an optical functional layer (a liquid crystal layer), may significantly improve the alignment of a liquid crystalline compound, and may have excellent durability. The composition for an aligning film is used in a process for producing an optical element which includes a plastic support and, providing on the surface of the plastic support in the following order, an aligning film, and at least one optical functional layer containing a liquid crystalline compound composition. The composition can include A) a nonionic water-soluble etherified polysaccharide and B) water and/or a lower alcohol solvent.Type: ApplicationFiled: April 29, 2008Publication date: September 25, 2008Applicant: Dai Nippon Printing Co., Ltd.Inventors: Yoshiko Kiyohara, Runa Nakamura, Naoya Ogata
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Publication number: 20080230933Abstract: The present invention provides an optical element capable of improving the adhesive property between a refractive index anisotropic layer and an alignment property providing layer for. providing alignment property to the refractive index anisotropic layer and further improving the endurance of each of the layers. An optical element 10 has an alignment property providing layer 12 laminated on a transparent base material 11 and a refractive index anisotropic layer 13 laminated on the layer 12. The layer 12 is an alignment layer having alignment limiting force for providing alignment property to the layer 13, and is made of an alignment layer composition capable of expressing the alignment limiting force. The layer 13 is a liquid crystal layer formed by curing (polymerizing) a liquid crystal composition comprising a polymerizable liquid crystal material. A monomer or oligomer having one or more functional groups, together with a polymer, is incorporated into the alignment layer composition.Type: ApplicationFiled: April 28, 2008Publication date: September 25, 2008Inventors: Keiko TAZAKI, Runa NAKAMURA