Patents by Inventor Satoshi Minami
Satoshi Minami 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: 20240121780Abstract: An object is to provide a communication system in which there are no restrictions on a communicable area and it is not necessary to install communication software on a wireless device. A communication system according to the present invention is configured so that the functions of a wireless access point are separated into a front-end unit on a wireless terminal side and a back-end side on the Internet side, radio signal processing functions supporting a wireless scheme of the wireless terminal are deployed only on the back end, and only relatively simple processing functions such as E/O conversion are deployed on the front end near the wireless terminal 311.Type: ApplicationFiled: October 13, 2020Publication date: April 11, 2024Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Ryota SHIINA, Tatsuya FUKUI, Satoshi NARIKAWA, Katsuya MINAMI, Satoshi IKEDA, Shunsuke SARUWATARI, Takashi WATANABE, Kazuhiko KINOSHITA
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Publication number: 20240111161Abstract: An optical system includes a light guide for guiding an image light ray output from a display element to a field of view region as a virtual image. The light guide includes a periodic structure formed in the body having a plate shape. The periodic structure has periodicity in three predetermined directions intersecting each other within a predetermined plane perpendicular to a thickness direction of the body. The periodic structure includes an in-coupling region dividing the image light ray into a plurality of image light rays and allowing the plurality of image light rays to propagate within the body in a plurality of branch directions including branch directions respectively parallel to the predetermined directions, and an exit region allowing the plurality of image light rays propagating in the plurality of branch directions within the body to emerge from the body toward the field of view region.Type: ApplicationFiled: December 7, 2023Publication date: April 4, 2024Inventors: Satoshi KUZUHARA, Kazuhiro MINAMI
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Publication number: 20240111152Abstract: An image display device includes a display, a light guide body, a controller, and a sensor. The light guide body includes an incident surface on which the light flux from the display is incident and an emission surface from which the light flux is emitted from the light guide body. The light flux incident on the incident surface of the light guide body is changed in a traveling direction in the light guide body, and is emitted from the emission surface so as to expand a visual field area by being replicated in a horizontal direction and a vertical direction of the virtual image visually recognized by the observer. The sensor that detects a physical quantity used to obtain a wavelength of the light flux. The controller controls a position and a shape of the image displayed by the display based on the physical quantity detected by the sensor.Type: ApplicationFiled: December 12, 2023Publication date: April 4, 2024Inventors: Kazuhiro MINAMI, Satoshi KUZUHARA
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Publication number: 20240103223Abstract: An optical system includes a light guide for guiding an image light ray which is output from a display element and forms an image, to a field of view region of a user as a virtual image. The light guide includes a body having a plate shape, and an in-coupling region and an exit region which are formed in the body. The in-coupling region allows the image light ray incident from the display element to propagate within the body. The exit region allows the image light ray propagating within the body to emerge from the body toward the field of view region. The in-coupling region includes a periodic structure constituted by recessed or protruded parts in relation to a thickness direction of the body which are arranged to have periodicity in three predetermined directions intersecting each other within a predetermined plane perpendicular to the thickness direction of the body.Type: ApplicationFiled: December 7, 2023Publication date: March 28, 2024Inventors: Satoshi Kuzuhara, Kazuhiro Minami
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Patent number: 11923528Abstract: A positive electrode, a negative electrode, and a non-aqueous electrolyte. The negative electrode includes a negative electrode material, a binder, and a thickener, and the negative electrode material includes a lithium silicate phase, and Si particles dispersed in the lithium silicate phase. The ratio of the Si particles in the negative electrode material is 30 mass % or more. The binder includes a poly(meth)acrylic acid, the thickener includes a carboxyalkyl cellulose, and the amount of the poly(meth)acrylic acid relative to 100 parts by mass of the negative electrode material is 0.1 parts by mass or more and 5 parts by mass or less. The non-aqueous electrolyte includes a lithium salt, a non-aqueous solvent, and an acid that exhibits a pKa of 1 to 30 in water at 25° C. The non-aqueous electrolyte secondary battery can suppress the generation of gas during high-temperature storage, and secure excellent cycle characteristics.Type: GrantFiled: December 20, 2017Date of Patent: March 5, 2024Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Satoshi Nishitani, Hiroshi Minami, Masaki Deguchi
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Patent number: 11773267Abstract: There is provided a technique for producing a quinacridone solid solution pigment, the technique making it possible to obtain a quinacridone solid solution pigment which produces a colored product having high chroma and a bluish hue, more preferably which has controlled particle diameters.Type: GrantFiled: May 16, 2022Date of Patent: October 3, 2023Assignee: Dainichiseika Color & Chemicals Mfg. Co., Ltd.Inventors: Naoto Kamata, Toshiyuki Hitotsuyanagi, Sachio Yoshikawa, Satoshi Minami
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Patent number: 11535755Abstract: There is provided a technique for producing a quinacridone solid solution pigment, the technique making it possible to obtain a quinacridone solid solution pigment which produces a colored product having high chroma and a bluish hue, more preferably which has controlled particle diameters.Type: GrantFiled: October 10, 2017Date of Patent: December 27, 2022Assignee: Dainichiseika Color & Chemicals Mfg. Co.. Ltd.Inventors: Naoto Kamata, Toshiyuki Hitotsuyanagi, Sachio Yoshikawa, Satoshi Minami
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Publication number: 20220275214Abstract: There is provided a technique for producing a quinacridone solid solution pigment, the technique making it possible to obtain a quinacridone solid solution pigment which produces a colored product having high chroma and a bluish hue, more preferably which has controlled particle diameters.Type: ApplicationFiled: May 16, 2022Publication date: September 1, 2022Inventors: Naoto KAMATA, Toshiyuki HITOTSUYANAGI, Sachio YOSHIKAWA, Satoshi MINAMI
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Publication number: 20200062965Abstract: There is provided a technique for producing a quinacridone solid solution pigment, the technique making it possible to obtain a quinacridone solid solution pigment which produces a colored product having high chroma and a bluish hue, more preferably which has controlled particle diameters.Type: ApplicationFiled: October 10, 2017Publication date: February 27, 2020Applicant: Dainichiseika Color & Chemicals MFG. Co., Ltd.Inventors: Naoto KAMATA, Toshiyuki HITOTSUYANAGI, Sachio YOSHIKAWA, Satoshi MINAMI
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Patent number: 9830722Abstract: An image processing includes: a unit that calculates a feature amount of main image data; a unit that calculates a feature amount of sub image data or resized sub image data; an adjustment unit that performs image quality adjustment on the resized sub image data so that a difference between a feature amount of the adjusted sub image data and the feature amount of the main image data is smaller than a difference between the calculated feature amount of the sub image data and the feature amount of the main image data; and a unit that generates display image data from the main image data and adjusted sub image data according to display mode information. The sub image data include plural content items. The adjustment unit updates the feature amount of the main image data used in the adjustment, at the timing of change of the content item.Type: GrantFiled: June 4, 2013Date of Patent: November 28, 2017Assignee: Mitsubishi Electric CorporationInventors: Junji Sukeno, Kazuhiko Yamada, Nobuhiko Yamagishi, Satoshi Minami
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Publication number: 20150325019Abstract: An image processing includes: a unit that calculates a feature amount of main image data; a unit that calculates a feature amount of sub image data or resized sub image data; an adjustment unit that performs image quality adjustment on the resized sub image data so that a difference between a feature amount of the adjusted sub image data and the feature amount of the main image data is smaller than a difference between the calculated feature amount of the sub image data and the feature amount of the main image data; and a unit that generates display image data from the main image data and adjusted sub image data according to display mode information. The sub image data include plural content items. The adjustment unit updates the feature amount of the main image data used in the adjustment, at the timing of change of the content item.Type: ApplicationFiled: June 4, 2013Publication date: November 12, 2015Applicant: Mitsubishi Electric CorporationInventors: Junji SUKENO, Kazuhiko YAMADA, Nobuhiko YAMAGISHI, Satoshi MINAMI
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Patent number: 9066061Abstract: A plurality of I- or P-pictures for displaying video images with the same data as the last frame of the main data of the content are added as reproduction synchronization adjustment frames after the last frame of the main data; when reproduction leads a reference reproducing device, more synchronization adjustment frames are reproduced (ST11); when reproduction lags, fewer synchronization adjustment frames are reproduced (ST9). Reproduction can be synchronized among a plurality of reproducing devices (42) that read data from a storage medium and reproduce the data, or receive data by network delivery and reproduce the data, under conditions where system clock correction by use of PCR is impossible.Type: GrantFiled: April 14, 2010Date of Patent: June 23, 2015Assignee: Mitsubishi Electric CorporationInventors: Tomoaki Ryu, Satoshi Minami
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Publication number: 20120207215Abstract: A plurality of I- or P-pictures for displaying video images with the same data as the last frame of the main data of the content are added as reproduction synchronization adjustment frames after the last frame of the main data; when reproduction leads a reference reproducing device, more synchronization adjustment frames are reproduced (ST11); when reproduction lags, fewer synchronization adjustment frames are reproduced (ST9). Reproduction can be synchronized among a plurality of reproducing devices (42) that read data from a storage medium and reproduce the data, or receive data by network delivery and reproduce the data, under conditions where system clock correction by use of PCR is impossible.Type: ApplicationFiled: April 14, 2010Publication date: August 16, 2012Inventors: Tomoaki Ryu, Satoshi Minami
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Patent number: 7599564Abstract: Image feature values Va and Vb are derived from image data, coefficients C and D are determined based on the image feature values Va and Vb, and an approximate expression expressed with the file size Sfj of the JPEG compression file and the quantization data coefficient value Aqt is derived. Next, by designating the file size of a desired predetermined JPEG compression file based on the approximate expression, the quantization data coefficient value Aqt is derived, and a first quantization table as a reference is multiplied by the quantization data coefficient value Aqt, whereby a second quantization table is obtained. Then, using the second quantization table, the image data is actually JPEG-compressed.Type: GrantFiled: March 12, 2004Date of Patent: October 6, 2009Assignee: Mitsubishi Electric CorporationInventors: Shigeo Ando, Yasuo Maeda, Mitsunobu Yoshinaga, Kanae Ikeda, Satoshi Minami, Kyosuke Yoshimoto, Aki Kimura
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Publication number: 20070036451Abstract: Image feature values Va and Vh are derived from image data, coefficients C and D are determined based on the image feature values Va and Vb, and an approximate expression expressed with the file size Sfj of the JPEG compression file and the quantization data coefficient value Aqt is derived. Next, by designating the file size of a desired predetermined JPEG compression file based on the approximate expression, the quantization data coefficient value Aqt is derived, and a first quantization table as a reference is multiplied by the quantization data coefficient value Aqt, whereby a second quantization table is obtained. Then, using the second quantization table, the image data is actually JPEG-compressed.Type: ApplicationFiled: March 12, 2004Publication date: February 15, 2007Applicant: Mitsubishi Denki Kabushiki KaishaInventors: Shigeo Ando, Yasuo Maeda, Mitsunobu Yoshinaga, Kanae Ikeda, Satoshi Minami, Kyosuke Yoshimoto, Aki Kimura
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Publication number: 20060219976Abstract: Fluorescent colorant compositions contain a pigment and a resin. The pigment is a crystalline, azo-based, fluorescent pigment obtained from a coupling reaction of a specific diazo compound, which was obtained from a particular aromatic amine, with a particular acetoacetylamino-containing aromatic coupler. As crystalline characteristics of the crystalline, azo-based, fluorescent pigment, the ratio (h/w) of a height (h) of a maximum peak to its half-value width (w) in a diffraction angle (20) range of from 5 to 35° in an x-ray diffraction spectrum of the pigment may preferably be 20 or greater. Also disclosed are coloring processes and colored articles, which make use of the fluorescent colorant compositions.Type: ApplicationFiled: June 20, 2005Publication date: October 5, 2006Applicant: Dainichiseika Color & Chemicals Mfg. Co., Ltd.Inventors: Shiro Yamamiya, Hideyuki Koiso, Hiroyuki Shimanaka, Hisao Kono, Hisao Okamoto, Atsushi Nogami, Nakaji Komiyama, Satoshi Minami, Naoyuki Sakai
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Patent number: 5774901Abstract: A sport helmet is disclosed having an inverted, generally Y-shaped, flexible back strap member spanning between a rear portion of the helmet and the helmet's chin straps to fully embrace the occipital region of the wearer's head for better helmet stability and retention. Because the back strap is a single, unitary member, the resulting retention system is simple, comfortable, easy to adjust, and costs less to manufacture.Type: GrantFiled: August 15, 1996Date of Patent: July 7, 1998Assignee: Bell Sports, Inc.Inventor: Don Satoshi Minami
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Patent number: 5589919Abstract: A toner cartridge in use with an image forming apparatus such as a printer. The toner cartridge includes a cylindrical container for accommodating toner, and the cylindrical container further includes; an opening at one side for discharging the toner accommodated in the cylindrical container; an spiral protrusion, provided on an inner circumferential surface of the cylindrical container, for conveying the toner toward the opening in the cylindrical container and for discharging the toner from the opening to outside the cylindrical container when the cylindrical container is rotated on an axis by a driver of the image forming apparatus; and a scoop, attached to the opening, for scooping the toner so that the spiral protrusion discharges the toner from the opening when the opening is at a position upper than a horizontal line extended through the axis.Type: GrantFiled: April 18, 1995Date of Patent: December 31, 1996Assignee: Konica CorporationInventors: Yoshikazu Ikunami, Satoshi Minami, Yozo Fujii
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Patent number: 5178933Abstract: A colored glass laminate is formed of two glass plates and a pigment-colored (meth)acrylic resin sandwiched between the glass plates. The colored glass laminate is produced by arranging a spacer between the two glass plates, pouring a mixture of at least one (meth)acrylic monomer, a polymerization initiator and a pigment into a spacing defined between the two glass plates, and then polymerizing the (meth)acrylic monomer.Type: GrantFiled: November 15, 1990Date of Patent: January 12, 1993Assignee: Dainichiseika Color & Chemicals Mfg. Co., Ltd.Inventors: Akio Yoshida, Satoshi Minami, Tohoru Hosoda
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Patent number: D692150Type: GrantFiled: September 4, 2012Date of Patent: October 22, 2013Assignee: Teikoku Seiyaku Co., Ltd.Inventor: Satoshi Minami