Abstract: The purpose is to provide a nautical chart display device which enables to easily grasp a direction centering on a reference position. The nautical chart display device includes a display, a detector, a directional symbol displaying module, and a directional symbol changing module. The display displays a nautical chart on a screen. The detector detects an operation to the screen. The directional symbol displaying module displays, on the display so as to be superimposed on the nautical chart, a directional symbol in which directional markers arranged in a circle and the center of the circle are indicated. The directional symbol changing module moves the directional symbol according to an operation to the directional symbol.

Abstract: The purpose is to provide a nautical chart display device which enables a measurement of a distance in a method easily understandable even for a user who is not used to a measurement of a distance by a touch operation. The nautical chart display device includes a display, a touch operation identifying module, a tool identifying module, and a tool displaying module. The display displays a nautical chart on a screen. The touch operation identifying module identifies a touch operation to the screen. The tool identifying module identifies a position and an orientation of a ruler placed on the screen. The tool displaying module displays distance markers according to a scale of the nautical chart on the screen at the position where the ruler is placed, based on the position and the orientation identified by the tool identifying module.

Abstract: The purpose is to provide a nautical chart display device which enables to easily grasp a direction centering on a reference position. The nautical chart display device includes a display, a detector, a directional symbol displaying module, and a directional symbol changing module. The display displays a nautical chart on a screen. The detector detects an operation to the screen. The directional symbol displaying module displays, on the display so as to be superimposed on the nautical chart, a directional symbol in which directional markers arranged in a circle and the center of the circle are indicated. The directional symbol changing module moves the directional symbol according to an operation to the directional symbol.

Abstract: A route display device is provided. The device includes an acquirer installed in a movable body and configured to acquire a position and a direction of the movable body. The device also includes a route memory configured to store a route with a plurality of waypoints. The device also includes a display unit including a display screen having a linear route display section and configured to linearly display the route in a vertical axis of the linear route display section and positional relation of either one of the movable body and one or more targets with respect to the route in left-and-right directions of the route in a horizontal axis of the linear route display section. The device also includes a display controller configured to control a display position of either one of the movable body and the target with respect to the route.

Abstract: A route display device is provided. The device includes an acquirer installed in a movable body and configured to acquire a position and a direction of the movable body. The device also includes a route memory configured to store a route with a plurality of waypoints. The device also includes a display unit including a display screen having a linear route display section and configured to linearly display the route in a vertical axis of the linear route display section and positional relation of either one of the movable body and one or more targets with respect to the route in left-and-right directions of the route in a horizontal axis of the linear route display section. The device also includes a display controller configured to control a display position of either one of the movable body and the target with respect to the route.

Abstract: It is an object of the invention to provide a polymersome excellent in the safety and feeling in use; in particular, there is no sticky feeling but there is a good refreshing feeling; and with excellent base-agent stability. A polymersome of the present invention comprises a block-type alkylene oxide derivative represented by the following formula (I) as the membrane component: R1O-[(EO)l(AO)m(EO)n]—R2??(I) wherein AO is an oxyalkylene group having 3 to 4 carbon atoms, EO is an oxyethylene group, m and 1+n are the average addition mole numbers for the oxyalkylene group and the oxyethylene group, respectively, and 1?m?70, 1?l+n?70; the percentage of the oxyethylene groups with respect to the sum of the oxyalkylene groups having 3 to 4 carbon atoms and the oxyethylene groups is 20 to 80 mass %; the addition pattern of the oxyalkylene groups having 3 to 4 carbon atoms and the oxyethylene groups is block-type; and R1 and R2 are identical or different hydrocarbon groups having 1 to 4 carbon atoms.

Abstract: A one-phase microemulsion composition, which can be easily prepared without the use of special equipment, has high safety, and stays stable for a long period in an ultrafine emulsion state when the composition is added to an aqueous formulation, is provided by appropriately adjusting the ratio of (A) a hydrophilic nonionic surfactant, (B) a lipophilic nonionic surfactant, (C) an oil component, (D) a water-miscible solvent that does not interdissolve with the oil component, and the critical micelle concentration (CMC) of the hydrophilic nonionic surfactant in the water-miscible solvent is higher than that of the hydrophilic nonionic surfactant in water, and (E) water.

Abstract: A skin treatment composition that characteristically contains alkylene polyglycol dineopentanoate having a specific structure. The object is to provide a skin treatment composition that gives a refreshing sensation at the time of application and contains an oil component that is highly safe with low skin irritation. The skin treatment composition specifically contains diethyleneglycol dineopentanoate, triethyleneglycol dineopentanoate, tetraethyleneglycol dineopentanoate, dipropyleneglycol dineopentanoate, tripropyleneglycol dineopentanoate, etc. Dipropyleneglycol dineopentanoate and tripropyleneglycol dineopentanoate are particularly preferable in terms of the sensation at the time of application; they provide a skin treatment composition that is particularly superior in absorption into the skin and a sensation of permeation and highly safe.

Abstract: It is an object of the invention to provide a polymersome excellent in the safety and feeling in use; in particular, there is no sticky feeling but there is a good refreshing feeling; and with excellent base-agent stability. A polymersome of the present invention comprises a block-type alkylene oxide derivative represented by the following formula (I) as the membrane component: R1O-[(EO)I(AO)m(EO)n]-R2 ??(I) wherein AO is an oxyalkylene group having 3 to 4 carbon atoms, EO is an oxyethylene group, m and 1+n are the average addition mole numbers for the oxyalkylene group and the oxyethylene group, respectively, and 1?m?70, 1?1+n?70; the percentage of the oxyethylene groups with respect to the sum of the oxyalkylene groups having 3 to 4 carbon atoms and the oxyethylene groups is 20 to 80 mass %; the addition pattern of the oxyalkylene groups having 3 to 4 carbon atoms and the oxyethylene groups is block-type; and R1 and R2 are identical or different hydrocarbon groups having 1 to 4 carbon atoms.

Abstract: The present invention is to provide a new compound having a rough skin improving effect, excellent in safety, excellent in texture in use, especially free of sticky feeling, excellent in refreshing feeling, and capable to improve the base agent stability as a component. An alkylene oxide derivative is characterized by being represented by the below-described general formula (I): (formula I) Z—{O-[(AO)a-(EO)b]-R}2??(I) (In the formula, Z is the residue obtained by removing hydroxyl groups from the dimer diol, EO is an oxyethylene group, AO is an oxyalkylene group having 3 to 4 carbon atoms, and the addition form is block-type. The symbols a and b are the average addition mole numbers of the above-described oxyalkylene group and the oxyethylene group, respectively, and they are 1?2 a?150 and 1?2 b?150. The percentage of the oxyethylene groups with respect to the sum of the oxyalkylene groups having 3 to 4 carbon atoms and the oxyethylene groups is 10 to 99 mass %.

Abstract: A first step of measuring a change over time in the spectral transmission spectrum of a measurement sample by its exposure to the light of a light source including an ultraviolet radiation for a preset light exposure time, a second step of performing a correction according to the change over time in the spectral transmission spectrum of the measurement sample based on the result of the measurement obtained by the first step, and a third step of calculating the final in vitro predicted SPF of the measurement sample using the result of the correction obtained by the second step are included.

Abstract: A skin treatment composition of the present invention is an external composition for skin comprising an alkylene oxide derivative expressed by Formula (I): R1O-[(AO)m(EO)n]—R2??(I) wherein AO is an oxyalkylene group of C3 or C4; EO is an oxyethylene group; m and n are 1?m?70 and 1?n?70 respectively, wherein EO is 20˜80% by weight with respect to a total of AO and EO; each of R1 and R2 is a hydrogen or a hydrocarbon group having C1-4. The alkylene oxide derivative (I) has a moisturizing effect, a rough skin improving effect, a stickiness improving effect, and a transdermal absorption promoting effect. When a refreshing agent is used together therewith in the composition of the present invention, the refreshing effect lasts for a long time and it is excellent in feeling of use without skin stimulation.

Abstract: A gel composition having the formula R1O-[(AO)k(EO)m(AO)n]-R2 comprises (a) 0.1 to 60 mass % of a block-type alkylene oxide derivative, (b) an oil, and (c) 0.1 to 10 mass % of water. AO represents a C3-C4 oxyalkylene group; EO represents an oxyethylene group; k and n represent average addition mole numbers of the oxyalkylene group and m represents average addition mole number of the oxyethylene group, 1?m?70 and 1?k+n?70. The oxyethylene group is 20 to 80 mass % with respect to the sum of the oxyalkylene group (AO) and the oxyethylene group. R1 and R2 may be identical to or different from one another and are each a C1-C4 hydrocarbon group or a hydrogen atom. The composition has a continuous phase comprising the oil; and the viscosity of the composition at 25° C. is 500 mPa·s or more.

Abstract: The present invention is to provide a new surfactant that can be used as an emulsifier excellent in emulsion stability and texture in use and as a cleanser excellent in cleansing power and texture in use and having low skin irritation. A surfactant consisting of a compound represented by the below-described general formula (1). Y—O-(EO)l-(AO)m-(EO)n-X??(1) (In the formula, AO represents an oxyalkylene group having 3 to 4 carbon atoms; m is the average addition mole number of the oxyalkylene group and satisfies 5?m?100. EO represents an oxyethylene group; l and n are the average addition mole numbers of the oxyethylene groups and satisfy 0?l?4 and 0?n?4. Either X or Y or both are a functional group represented by —SO3M, —COOM, —HPO3M, —(CH2)q—SO3M, or —(CH2)q—COO, wherein M is a hydrogen ion or a monovalent inorganic or organic cation, and q is the number of carbon atoms of the linked alkylene group and satisfies 1?q?4.

Abstract: The emulsified external skin preparation of the present invention is characterized by comprising a polyglycerol derivative represented by formula (1): wherein, m+2 represents the average polymerization degree of polyglycerol and 1?m?4; R1 is a hydrocarbon group having 1 to 4 carbon atoms or a hydrogen atom; AO is an oxyalkylene group having 3 to 4 carbon atoms; and n is the average addition mole number of the oxyalkylene group and 1?m n?200. In a water-in-oil type external skin preparation, and especially in that containing a polar oil or a silicone oil, emulsion stability is improved. In an oil-in-water type external skin preparation, feeling in use and emulsion stability are improved. Especially, in an oil-in-water type external skin preparation containing hydrophobized powder, powder dispersion stability is improved as well as feeling in use and emulsion stability.

Abstract: A skin treatment composition of the present invention is an external composition for skin comprising an alkylene oxide derivative expressed by Formula (I): R1O-[(AO)m(EO)n]—R2 ??(I) wherein AO is an oxyalkylene group of C3 or C4; EO is an oxyethylene group; m and n are 1?m?70 and 1?n?70 respectively, wherein EO is 20-80% by weight with respect to a total of AO and EU; each of R1 and R2 is a hydrogen or a hydrocarbon group having C1-4. The alkylene oxide derivative (I) has a moisturizing effect, a rough skin improving effect, a stickiness improving effect, and a transdermal absorption promoting effect. When a refreshing agent is used together therewith in the composition of the present invention, the refreshing effect lasts for a long time and it is excellent in feeling of use without skin stimulation.

Abstract: The present invention is to provide a new compound having a rough skin improving effect, excellent in safety, excellent in texture in use, especially free of sticky feeling, excellent in refreshing feeling, and capable to improve the base agent stability as a component. An alkylene oxide derivative is characterized by being represented by the below-described general formula (I): (formula I) Z-{O-[(AO)a-(EO)b]-R}2??(I) (In the formula, Z is the residue obtained by removing hydroxyl groups from the dimer diol, EO is an oxyethylene group, AO is an oxyalkylene group having 3 to 4 carbon atoms, and the addition form is block-type. The symbols a and b are the average addition mole numbers of the above-described oxyalkylene group and the oxyethylene group, respectively, and they are 1?2 a?150 and 1?2 b?150. The percentage of the oxyethylene groups with respect to the sum of the oxyalkylene groups having 3 to 4 carbon atoms and the oxyethylene groups is 10 to 99 mass %.

Abstract: The present invention was made in view of the above-described circumstances, and an object of the invention is to provide an external skin preparation having a rough skin improving effect, excellent in texture in use, especially excellent in smoothness, free of sticky feeling, and excellent in stability. Another object is to provide a skin cleanser excellent especially in usability and a cosmetic removing effect. That is, the external skin preparation of the present invention is characterized by comprising a block-type alkylene oxide derivative represented by the below-described formula (I). [formula 1] Y—[O(EO)a-(AO)b-(EO)c-R]k??(I) (In the formula, Y is the residue given by removing hydroxyl groups from a polyhydric alcohol having 3 to 6 hydroxyl groups, and k is the number of hydroxyl groups of the polyhydric alcohol. EO is an oxyethylene group, AO is an oxyalkylene group having 3 to 6 carbon atoms, and they are attached in a block-type, respectively.

Abstract: A first step of measuring a change over time in the spectral transmission spectrum of a measurement sample by its exposure to the light of a light source including an ultraviolet radiation for a preset light exposure time, a second step of performing a correction according to the change over time in the spectral transmission spectrum of the measurement sample based on the result of the measurement obtained by the first step, and a third step of calculating the final in vitro predicted SPF of the measurement sample using the result of the correction obtained by the second step are included.