Nippon Shokubai Co., Ltd.

Panasonic Corporation

Panasonic Intellectual Property Management Co., Ltd.

Keiko Izumi

Kazunari Yasumura

Makoto Sasaki

Tomofumi Yamanashi

Yasumi Imagawa

Yoshitomo Nakata

Youichi Gouda

Kazuhiko Nakayama

Satoshi Kaga

Daisuke Imai

Yohei Imaizumi

Daisuke Matsui

Tadayoshi Ugamura

A viscosity index improver comprising a copolymer having a unit (a) derived from a maleimide monomer and a unit (b) derived from a macromonomer, wherein viscosity measured by the following method is 8000 mPa&#xb7;s or less. Viscosity measurement method: A solution composed of 78 mass % of a Group III base oil (viscosity index: 122, kinematic viscosity at 40&#xb0; C.: 19.6 mm/s) on the American Petroleum Institute (API) classification and 22 mass % of the copolymer is measured with a viscometer (TVB-10 manufactured by Toki Sangyo Co., Ltd., rotor: SPINDLE No. M3, rotation speed: 6 rpm) at 25&#xb0; C.

Viscosity index improver and lubricating oil composition

A viscosity index improver comprising a polymer which has a high viscosity index and good shear stability and which exhibits sufficient solubility in a lubricating base oil, a process for producing the same, and a lubricating oil composition containing the viscosity index improver are provided, wherein the viscosity index improver comprising a polymer satisfying the following (1) to (4): (1) weight-average molecular weight (Mw) of 200,000 or more and 600,000 or less; (2) number-average molecular weight (Mn) of 90,000 or more; (3) molecular weight distribution (Mw/Mn) of 4.0 or less; and (4) branching degree of 1.0 or more.

Viscosity index improver, method for producing the same and lubricating oil composition

A makeup supporting device includes: an image acquisition unit that acquires a facial image that is an image obtained by photographing a face; a threshold determining unit that determines a pixel value threshold based on a partial image of the facial image, the partial image being an image in a region that does not include an outer end of an eyebrow but includes an inner end of the eyebrow and a periphery of the inner end of the eyebrow; an eyebrow region extracting unit that extracts an eyebrow region from the facial image using the threshold; an eyebrow eraser that performs eyebrow erasing processing on the facial image, the eyebrow erasing processing being processing of filling in the eyebrow region using preferentially a color on an inner end side of the eyebrow from among colors in regions around the eyebrow region; and a display unit that displays the facial image after the eyebrow erasing processing is performed.

Makeup supporting device, makeup supporting method, and non-transitory computer-readable recording medium

It is a theme of the present invention to provide a diversity receiving device and a receiving scheme switching method, capable of attaining a power saving by executing a switching between a diversity reception and a single reception with high accuracy. A receiving scheme switching portion () switches a receiving mode between a single reception and a diversity reception based on a receiving scheme switching threshold, updates the receiving scheme switching threshold based on the receiving rate calculated by a receiving rate calculating portion (), switches the receiving mode into the single reception in which respective ones of antennas (), radio demodulating portions (), and decoding portions () are employed respectively and also turns OFF respective power supplies of the remaining antenna (or), the remaining radio demodulating portion (or), and the remaining decoding portion (or) when the received quality calculated by the received quality calculating portion () exceeds the receiving scheme switching threshold, and switches the receiving mode into the diversity reception in which the antennas, the radio demodulating portions, and the decoding portions are employed in both branches when the received quality is below the receiving scheme switching threshold.

Diversity receiving device and receiving scheme switching method

There is provided a vinylpyrrolidone-based copolymer having as essential components N-vinylpyrrolidone and hydroxyl group-containing (meth)acrylate, which gives a favorable crosslinked coating film, and a method for production by which the copolymer is easily obtained. A vinylpyrrolidone-based copolymer of the present invention contains a constitutional unit derived from N-vinylpyrrolidone and a constitutional unit derived from hydroxyl group-containing (meth)acrylate at a specific ratio, in which a K value according to Fikentscher is 12 or more, water insoluble matter is 0.5% by mass (on the basis of solid content) or less, and each content of iron, nickel, chromium, sodium and calcium is 500 ppb (on the basis of mass: the same hereinafter) or less, or electrical conductivity of a 10% by mass-aqueous solution of the vinylpyrrolidone-based copolymer is 35 &#x3bc;S/cm or less.

Vinylpyrrolidone-based copolymer and a method for production thereof

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Osaka, Japan

Keiko Izumi