Patents by Inventor Manabu Kobayashi
Manabu Kobayashi 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: 20150192756Abstract: A lens barrel includes at least one lens, the optical axis of the lens; the first frame (the fixed frame 900) having the first restricting portion (901, 902) and having an approximately cylindrical shape about the optical axis; the second frame (1000) having the cam groove (1036) and having an approximately cylindrical shape about the optical axis; the third frame (510) having the guide portion (511) which restricts inclination thereof with respect to the first contact portion (514) and the optical axis and having an approximately cylindrical shape about the optical axis; the drive arm (520) having a cam follower (523), the second restricting portion (524, 525) and the second contact portion (526), and having an approximately arcuate shape constituted of a portion of a circular cylinder about the optical axis or an approximately plate shape; the guide shaft (601) for guiding the guide in a movable manner in the optical axis direction; and the spring (603).Type: ApplicationFiled: January 5, 2015Publication date: July 9, 2015Inventors: Tetsuya UNO, Atsushi HASEGAWA, Manabu KOBAYASHI, Hiroyasu FUJINAKA
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Patent number: 9057017Abstract: A liquid crystal composition exhibiting a blue phase, which enables higher contrast, and a liquid crystal display device including the liquid crystal composition. The liquid crystal composition contains a chiral agent and liquid crystal containing a compound having three electron-withdrawing groups as end groups of a structure where a plurality of rings including at least one aromatic ring is linked to each other directly or with a linking group laid therebetween. At least one of the three electron-withdrawing groups includes a trifluoromethyl group. The peak of the diffracted wavelength on the longest wavelength side in the reflectance spectrum of the liquid crystal composition is less than or equal to 450 nm, preferably less than or equal to 420 nm. Furthermore, a liquid crystal display device can be provided with the use of the liquid crystal composition.Type: GrantFiled: November 15, 2012Date of Patent: June 16, 2015Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Manabu Kobayashi, Tetsuji Ishitani, Yuko Kawata, Tomohiro Tamura
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Publication number: 20150103408Abstract: An display apparatus, for a vehicle, according to one embodiment includes a substrate housing portion, an optical unit, a turning member, and a plate-like attachment plate. The substrate housing portion contains a circuit substrate for outputting an image signal of an image to be displaced. The optical unit generates an image based on the image signal outputted from the circuit substrate and projects the generated image. The combiner is provided at one end of the optical unit, and the image is projected onto the combiner. The turning member connects the optical unit to the substrate housing portion in a freely rotatable manner. The plate-like attachment plate is used to mount the substrate housing portion to a rear-view mirror such that the optical unit is freely rotatable without coming into contact with the rear-view mirror inside a vehicle.Type: ApplicationFiled: December 22, 2014Publication date: April 16, 2015Inventors: Ryo NISHIMA, Isao KANENO, Yuji TANAKA, Tatsuya SATO, Motoshi TOHDA, Tatsuya MUKOUYAMA, Kouichi KAWAMURA, Kazutaka ABOSHI, Manabu KOBAYASHI
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Publication number: 20150038722Abstract: An organic compound represented by General Formula (G100) is provided. A novel liquid crystal composition containing the organic compound is provided.Type: ApplicationFiled: July 21, 2014Publication date: February 5, 2015Inventors: Momoko KATO, Yasuhiro NIIKURA, Makoto IKENAGA, Manabu KOBAYASHI, Tetsuji ISHITANI
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Publication number: 20150034870Abstract: A novel organic compound that can be used in a variety of liquid crystal devices or a liquid crystal composition containing the novel organic compound is provided. An organic compound represented by General Formula (G1) is provided. A novel liquid crystal composition containing the organic compound is provided. In General Formula (G1), Ar1 and Ar2 separately represent a substituted or unsubstituted arylene group having 6 to 12 carbon atoms, a substituted or unsubstituted cycloalkylene group having 3 to 12 carbon atoms, or a substituted or unsubstituted cycloalkenylene group having 3 to 12 carbon atoms. In addition, m and n separately represent 0 or 1. R1 and R2 separately represent a hydrogen atom, a substituted or unsubstituted alkyl group having 1 to 11 carbon atoms, or a substituted or unsubstituted alkoxy group having 1 to 11 carbon atoms.Type: ApplicationFiled: July 14, 2014Publication date: February 5, 2015Inventors: Momoko Kato, Yasuhiro Niikura, Makoto Ikenaga, Manabu Kobayashi, Tetsuji Ishitani
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Publication number: 20140368922Abstract: A display device for a vehicle includes: a substrate housing portion that stores a circuit substrate that outputs an image signal of an image to be displayed; an optical unit that generates and projects an image based on the image signal; and a combiner on which the image is projected, wherein the optical unit has: an optical unit main body that includes a light source and an image display element; and a projection unit that determines a projection direction, wherein the optical unit main body has a first main body surface and a second main body surface, and wherein the projection unit has two arrangement states: a first state where a projection port of the projection unit is on the side of the first main body surface; and a second state where the projection port is on the side of the second main body surface.Type: ApplicationFiled: September 3, 2014Publication date: December 18, 2014Inventors: Motoshi Tohda, Isao Kaneno, Yuji Tanaka, Tatsuya Sato, Tatsuru Kobayashi, Manabu Kobayashi
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Publication number: 20140368544Abstract: An image display device includes: a projection port that projects image display light generated based on an image signal; and a combiner that presents a virtual image by reflecting the image display light projected from the projection port. With respect to a specific direction along a reflection surface of the combiner, the curvature of the combiner in the specific direction becomes smaller as a distance from the projection port becomes larger. The reflection surface of the combiner may be formed by a biconic surface.Type: ApplicationFiled: September 3, 2014Publication date: December 18, 2014Inventor: Manabu Kobayashi
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Publication number: 20140368745Abstract: An image display device includes: an image generation unit that generates image display light based on an image signal; a projection unit that projects the image display light generated by the image generation unit; a combiner that presents the image display light projected by the projection unit as a virtual image; and a rotating unit that rotationally moves the combiner along at least one rotation surface, wherein the projection unit changes a direction in which the image display light is projected based on the rotational movement of the combiner.Type: ApplicationFiled: September 3, 2014Publication date: December 18, 2014Inventors: Motoshi Tohda, Isao Kaneno, Yuji Tanaka, Tatsuya Sato, Tatsuru Kobayashi, Manabu Kobayashi
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Publication number: 20140354895Abstract: A light guide plate receives light emitted from the light source, and emits the light from a light emitting surface. A prism sheet reflects light at a predetermined angle among the light emitted from the light emitting surface, allows the reflected light to enter the light guide plate, and transmits light at another angle. A polarization control element is provided between a 1/4 wavelength plate and a reflection-type liquid crystal display element so as to be parallel to the light emitting surface. The polarization control element splits the light emitted from the 1/4 wavelength plate into first polarized light allowed to transmit as illumination light that enters the reflection-type liquid crystal display element and second polarized light reflected so as to enter the light guide plate, and reflects the light modulated and emitted by the reflection-type liquid crystal display element toward an imaging lens.Type: ApplicationFiled: August 19, 2014Publication date: December 4, 2014Inventor: Manabu KOBAYASHI
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Patent number: 8867138Abstract: A concave mirror of a reflective display device, which includes a reflector, a concave mirror arranged inside of an instrument panel, a display body, a lighting device, a display control circuit, driving parameters and the like, has reflecting surfaces with different wavelength selectivities, and the reflecting surfaces are formed into reflecting surface shapes of different focal lengths. By image light reflected selectively from the concave mirror, it is possible to present virtual images in different positions to an observer.Type: GrantFiled: April 24, 2013Date of Patent: October 21, 2014Assignee: JVC Kenwood CorporationInventor: Manabu Kobayashi
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Patent number: 8816241Abstract: Together with a scanner device, an air blower is provided above a workpiece, and the air blower exhausts air in the shape of a ring toward the workpiece, the air in a ring shape surrounding an optical axis of a laser beam emitted from the scanner device. A housing of the air blower is formed in a ring shape, a ring-shaped cavity is formed in the housing, an inner ring member is attached to an undersurface of the housing, an outer ring member is attached to an outer peripheral side of the inner ring member, and a ring-shaped exhaust port is formed between the inner ring member and the outer ring member. An exhaust direction of the air is defined by inclination of an outer-peripheral-side end surface of the inner ring member and inclination of an inner-peripheral-side end surface of the outer ring member (FIG. 2).Type: GrantFiled: September 14, 2011Date of Patent: August 26, 2014Assignee: Suzuki Motor CorporationInventors: Sachio Kishino, Manabu Kobayashi
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Publication number: 20140139754Abstract: A light guide plate receives light, which is emitted from a light source, and emits the light from a light emitting surface. A prism sheet reflects light at a predetermined angle among the light emitted from the light emitting surface, allows the reflected light to enter the light guide plate, and transmits light at another angle thereamong. Between a 1/4 wavelength plate and a reflection-type liquid crystal display element, a polarization control element is provided in parallel to the light emitting surface. The polarization control element splits the light, which is emitted from the 1/4 wavelength plate, into first polarized light allowed to transmit as illumination light that enters the reflection-type liquid crystal display element and second polarized light reflected so as to enter the light guide plate 3, and reflects the light modulated and emitted by the reflection-type liquid crystal display element.Type: ApplicationFiled: January 27, 2014Publication date: May 22, 2014Applicant: JVC KENWOOD CORPORATIONInventor: Manabu KOBAYASHI
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Patent number: 8649110Abstract: A lens barrel includes a fixed frame, a rotary frame provided inside the fixed frame, a first frame provided inside the rotary frame, an electronic component provided inside the first frame, and a flexible printed circuit board connected, at one end thereof, to the electronic component and connected, at the other end thereof, to the fixed frame. A gear part is provided at an outer circumferential surface of the rotary frame. In the first frame, a first protrusion outwardly protruding beyond the gear part in a radial direction about the optical axis is provided at a position corresponding to the flexible printed circuit board in a circumferential direction about the optical axis on a side of the gear part opposite to the object in the optical axis direction.Type: GrantFiled: January 11, 2013Date of Patent: February 11, 2014Assignee: Panasonic CorporationInventors: Manabu Kobayashi, Atsushi Hasegawa, Toshiyuki Nakada
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Publication number: 20130242404Abstract: A concave mirror of a reflective display device, which includes a reflector, a concave mirror arranged inside of an instrument panel, a display body, a lighting device, a display control circuit, driving parameters and the like, has reflecting surfaces with different wavelength selectivities, and the reflecting surfaces are formed into reflecting surface shapes of different focal lengths. By image light reflected selectively from the concave mirror, it is possible to present virtual images in different positions to an observer.Type: ApplicationFiled: April 24, 2013Publication date: September 19, 2013Applicant: JVC KENWOOD CORPORATIONInventor: Manabu KOBAYASHI
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Patent number: 8388147Abstract: A screen assembly and a rear-projection type graphic display device are provided to block overscanned light Lo projected outside a fresnel lens screen. The screen assembly 20A includes the fresnel lens screen 21, a screen retainer 22 and a light blocking member 23. The fresnel lens screen 21 forms an image on the side of a front surface 21b by image light Le incoming through a back surface 21a. The screen retainer 22 has a back surface 22a whose area is larger than the back surface 21a and the front surface 21b and which is opposed to the front surface 21b to hold it, and a front surface 22b located on opposite side of the back surface 22a to allow an image formed by the image light incoming through the back surface 21a to be visible through the front surface 22b. The screen retainer 22 has an optical transparency. The light blocking member 23 is arranged so as to surround respective side surfaces of the screen 21 in the form of a frame.Type: GrantFiled: December 16, 2009Date of Patent: March 5, 2013Assignee: JVC Kenwood CorporationInventors: Toshitaka Murata, Ryusaku Takahashi, Masahiko Miyake, Manabu Kobayashi, Takatsugu Aizaki, Hironobu Fukutomi
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Patent number: 8337025Abstract: A projection type display device includes a image displaying element having image display areas for displaying a plurality of images respectively, a projection optical system having an emitting part for emitting projection light flux to the image display areas of the image displaying element, and a plurality of screens for displaying projected images by the projection light flux transmitted through the image display areas of the image displaying element. In the projection type display device, the image display areas are formed in respective areas in the image displaying element independent of each other. The projected images on the screens correspond to the image display areas, respectively. Each of the screens is arranged in such a position that the each of the screens is not overlapped with shadows of the other screens which are produced since the projection light flux is emitted from the emitting part to the screens.Type: GrantFiled: July 29, 2009Date of Patent: December 25, 2012Assignee: JVC Kenwood CorporationInventors: Manabu Kobayashi, Ryusaku Takahashi, Toshitaka Murata, Takatsugu Aizaki, Masahiko Miyake, Hironobu Fukutomi
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Patent number: 8211571Abstract: Artificial graphite particles, having a secondary particle structure in which a plurality of primary particles composed of graphite are clustered or bonded together, and having a layer structure in which the edge portion of the primary particles is bent in a polyhedral shape.Type: GrantFiled: November 3, 2010Date of Patent: July 3, 2012Assignee: Hitachi Chemical Company, Ltd.Inventors: Kouichi Takei, Hidetoshi Honbo, Juichi Arai, Manabu Kobayashi
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Publication number: 20120132855Abstract: To provide a liquid crystal composition exhibiting a blue phase, which enables higher contrast, and a liquid crystal display device including the liquid crystal composition. The liquid crystal composition contains a chiral agent and liquid crystal containing a compound having three electron-withdrawing groups as end groups of a structure where a plurality of rings including at least one aromatic ring is linked to each other directly or with a linking group laid therebetween. The peak of the diffracted wavelength on the longest wavelength side in the reflectance spectrum of the liquid crystal composition is less than or equal to 450 nm, preferably less than or equal to 420 nm. Further, a liquid crystal display device can be provided using the liquid crystal composition.Type: ApplicationFiled: November 18, 2011Publication date: May 31, 2012Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.Inventors: Tetsuji Ishitani, Sachiko Kawakami, Yuko Kawata, Manabu Kobayashi, Momoko Kato, Satoshi Seo
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Patent number: 8169722Abstract: A flexible printed circuit according to the present invention is anchored to a holding member disposed within electronic equipment, and comprises: a main body portion 70 that includes electrical lines; a first connection portion 71 disposed in the main body portion 70 and to which an electric component or another flexible printed circuit is connected; and a first cover portion 72 formed as part of the main body portion 70 and disposed so as to cover the first connection portion. Part of the first cover portion is held by a lens holder 6. According to this configuration, an insulated state can be reliably maintained by using a configuration in which soldered connection portions are covered by part of the FPC and the covering portion is held by the housing.Type: GrantFiled: February 7, 2008Date of Patent: May 1, 2012Assignee: Panasonic CorporationInventors: Atsushi Hasegawa, Takumi Kuwahara, Manabu Kobayashi, Fumio Shinano
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Publication number: 20120080413Abstract: Together with a scanner device, an air blower is provided above a workpiece, and the air blower exhausts air in the shape of a ring toward the workpiece, the air in a ring shape surrounding an optical axis of a laser beam emitted from the scanner device. A housing of the air blower is formed in a ring shape, a ring-shaped cavity is formed in the housing, an inner ring member is attached to an undersurface of the housing, an outer ring member is attached to an outer peripheral side of the inner ring member, and a ring-shaped exhaust port is formed between the inner ring member and the outer ring member. An exhaust direction of the air is defined by inclination of an outer-peripheral-side end surface of the inner ring member and inclination of an inner-peripheral-side end surface of the outer ring member (FIG. 2).Type: ApplicationFiled: September 14, 2011Publication date: April 5, 2012Inventors: Sachio Kishino, Manabu Kobayashi