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Kentaro Takahashi
Kentaro Takahashi, Aichi-Ken JP
| Patent application number | Description | Published |
|---|---|---|
| 20100094176 | EYE OPENING DETECTION SYSTEM AND METHOD OF DETECTING EYE OPENING - An eye opening detection system that includes an imaging mechanism that captures an image of the face of a detected subject, an edge extraction mechanism that extracts the edge of the image captured, and an upper and lower eyelid detection mechanism that detects the upper and lower eyelids of the detected subject according to the edge extracted, and that detects the eye opening of the detected subject with reference to a detected distance between the upper and lower eyelids. The upper and lower eyelid detection detects the upper eyelid and detects the lower eyelid with reference to the upper eyelid detected. | 04-15-2010 |
Kentaro Takahashi, Sumoto-Shi JP
| Patent application number | Description | Published |
|---|---|---|
| 20100028786 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - Provided is a non-aqueous electrolyte secondary battery which has excellent high-temperature cycle characteristics, while maintaining the shutdown response speed of the separator and the overcharge characteristics after many repeated cycles at high temperatures. The battery uses a non-aqueous electrolyte containing a carboxylic acid ester and a nitrile compound, and a separator having a porosity of 28 to 54% and an air permeability of 86 to 450 secs/dl. | 02-04-2010 |
| 20110159359 | NONAQUEOUS SECONDARY BATTERY - A nonaqueous electrolyte of nonaqueous secondary battery contains a nitrile group-containing compound at a concentration of 0.05% by mass or more. A positive electrode active material has an average particle diameter of 4.5 to 15.5 μm and a specific surface area of 0.13 to 0.80 m | 06-30-2011 |
| 20110165453 | NON-AQUEOUS ELECTROLYTIC SECONDARY BATTERY AND POSITIVE ELECTRODE FOR NON-AQUEOUS ELECTROLYTIC SECONDARY BATTERY - A nonaqueous electrolytic secondary battery and a positive electrode for a nonaqueous electrolytic secondary battery are provided. The positive electrode includes a positive electrode active material layer containing a positive electrode active material and a coupling agent represented by a general formula (1). The positive electrode active material includes lithium transition metal oxide particles. At least one rare-earth compound selected from the rare-earth compound group consisting of specific rare-earth hydroxides and specific rare-earth oxyhydroxides is fixed on the surfaces of the lithium transition metal oxide particles in a dispersed form. | 07-07-2011 |
Kentaro Takahashi, Toyota-Shi JP
| Patent application number | Description | Published |
|---|---|---|
| 20080212850 | EYELID DETECTION APPARATUS AND PROGRAMS THEREFOR - An eyelid detection apparatus includes a face image storing means storing a plurality of face images of a subject captured at different timings, a change detecting means detecting changes in each face image caused by blinking after processing the plurality of face images stored by the face image storing means, and an eyelid detecting means detecting a position of an eyelid of the subject based on the changes detected by the change detecting means. | 09-04-2008 |
| 20080226139 | EYELID DETECTION APPARATUS, EYELID DETECTION METHOD AND PROGRAM THEREFOR - An eyelid detection apparatus includes a face-image storing apparatus for storing an image of a face of a subject, an eyelid-candidate extracting apparatus for processing the image stored in the face-image storing apparatus to extract a pair of lines, which becomes a candidate of a combination of a line corresponding to an upper eyelid and a line corresponding to a lower eyelid, a parameter calculating apparatus for calculating a parameter, which indicates a possibility that a pan of the image stored in The face-image storing apparatus, the part corresponding to the pair of lines extracted by the eyelid-candidate extracting apparatus, includes at least one of outer and inner corners of an eye, and an eyelid detecting apparatus for detecting a position of an eyelid of the subject on the basis of the parameter calculated by the parameter calculating apparatus. | 09-18-2008 |
| 20080226175 | APPARATUS, METHOD, AND PROGRAM FOR FACE FEATURE POINT DETECTION - A face feature point detection apparatus includes an image capturing device, an edge calculating unit calculating edge values indicating a luminance change in a direction, and a detection target determining unit scanning an edge image, which is created by arranging the edge values for corresponding pixels based on pixel arrangement of the face images, with an image window being an aggregation of selected pixels formed in a predetermined shape, the detection target determining unit determining a position of the image window having a largest weighted sum of weighted sums to be a detection position where a detection target is present, providing that the weighted sum is calculated by multiplying the edge value which corresponds to each pixel in the image window by a predetermined value defined on a per-pixel basis and adding up all products of the edge value and the predetermined value. | 09-18-2008 |
| 20100014759 | EYE DETECTING DEVICE, EYE DETECTING METHOD, AND PROGRAM - An eye part detecting device has an image input section ( | 01-21-2010 |
Kentaro Takahashi, Saitama JP
Kentaro Takahashi, Osaka JP
| Patent application number | Description | Published |
|---|---|---|
| 20090087752 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A non-aqueous electrolyte secondary battery includes a positive electrode containing a positive electrode active material; a negative electrode containing a negative electrode active material; and a non-aqueous electrolyte containing a non-aqueous solvent and an electrolyte salt. In order to improve the high-temperature storage characteristics and safety against overcharge due to high-rate charging of the battery, the positive electrode active material contains a layered lithium-transition metal composite oxide containing at least one of Mg, Al, Ti, and Zr. Furthermore, the non-aqueous electrolyte contains 3 to 80% by mass of a tertiary carboxylic acid ester expressed by Chemical Formula 2 below, based on the total mass of the non-aqueous solvent: | 04-02-2009 |
Kentaro Takahashi, Moriguchi-Shi JP
| Patent application number | Description | Published |
|---|---|---|
| 20080241702 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - In a nonaqueous electrolyte secondary battery according to an embodiment of the invention, a nonaqueous electrolyte contains: a tertiary carboxylate ester represented by the following general formula (1) in an amount of a range of 3% by mass or more and 80% by mass or less based on the total mass of the nonaqueous solvent: | 10-02-2008 |
| 20090169976 | POLYMER ELECTROLYTE SECONDARY CELL - A polymer electrolyte secondary cell with high safety against overcharging includes a positive electrode containing a positive electrode active material; a negative electrode containing a negative electrode active material; a polymer electrolyte containing a non-aqueous solvent, an electrolyte salt, and a polymer. The non-aqueous solvent contains a tertiary carboxylic acid ester shown in Formula 1 below. The polymer is formed from monomers containing alkylene glycol (meth)acrylate and/or N,N-dialkyl (meth)acrylamide. | 07-02-2009 |
| 20090170007 | NON-AQUEOUS ELECTROLYTE SECONDARY CELL - A non-aqueous electrolyte secondary cell is provided having enhanced safety against overcharge and reduced self-discharge. The non-aqueous electrolyte secondary cell includes: a positive electrode having a positive electrode active material; a negative electrode having a negative electrode active material; and a non-aqueous electrolyte containing a non-aqueous solvent and electrolytic salt. The non-aqueous solvent contains 20 to 80 volume % tertiary carboxylic acid ester represented by formula 1 at 25° C. and 1 atm. The non-aqueous electrolyte contains an alkylbenzene compound and/or a halogenated benzene compound. | 07-02-2009 |