Shiseido Company, Limited

Fuji Photo Film Company, Limited

Fuji Electric Co., Ltd.

Masayoshi Wada

Kenichi Sakuma

Kazuyuki Miyazawa

Taketoshi Kanda

Yousuke Toujo

Asa Kimura

Hideki Matsuzawa

Takashi Kubo

Yukimitsu Suda

Osamu Shirota

Akihiro Sanda

Aya Ohkubo

Hiroshi Kutsuna

Toshiro Esaki

Shoichiro Shio

Yukie Yoda

A method for surface modification of a material by means of introducing the phosphorylcholine group represented by the following formula (1-1) onto the surface of the material by treating a material having amino groups with a chemical compound containing an aldehyde derivative obtained by the oxidative ring-opening reaction of glycerophosphorylcholine.  The method of the present invention provides various materials such as medical materials having superior biocompatibility and hydrophilicity.

Method of modifying surface of material

A phosphorylcholine group-containing chemical compound represented by the following formula (1): 

Phosphorylcholine group-containing compound and surface modifying agent composed of such compound

The present invention provides a porous titanium oxide having improved ultraviolet protection ability, usability, and transparency in the visible region and a process for producing thereof. The porous titanium oxide powder according to the present invention can be obtained by adding an alkali to a titanium salt solution containing a polyalcohol and then thermally hydrolyzing the solution. In addition, it is possible that after the addition of the alkali, an acid is further added to the solution and then the thermal hydrolysis is conducted, or that after thermal hydrolysis, further heat treatment with an acid is conducted. A porous titanium oxide has a mean particle size of 0.01 to 1.0 &#x3bc;m and a specific surface area of 50 m/g or more.

Porous titanium oxide and process for producing the same

A phosphorylcholine group-containing chemical compound represented by the following formula (1).  In this formula, m denotes 2-6 and n denotes 1-4. X, X, and X, independent of each other, denote a methoxy group, ethoxy group, or halogen. Up to two of X, X, and Xcan be any of the following groups: a methyl group, ethyl group, propyl group, isopropyl group, butyl group, or isobutyl group. R is one of the structures in the following formulas (2)-(4) (the chemical compound of formula (1) in the structures of the following formulas (2)-(4) is expressed as A-R&#x2014;B).  In formulas (2)-(4), L is 1-6, P is 1-3. Also a surface modifier consisting of the aforementioned phosphorylcholine group-containing chemical compound, modified powder treated with said surface modifier, a chromatography packing consisting of a modified carrier treated with said surface modifier, a filter treated with said surface modifier, and a glass device treated with said surface modifier.

Phosphorylcholine group containing compound and surface modifying agent composed of such compound

It is an object of the present invention to provide a laminated member with an recorded information code, having a high reading accuracy, which do not detract from product design and which do not require a special reading apparatus. A laminated memberof the present invention comprises a transparent material layeron which an information code is recorded, and a reflection-reduction layerprovided at the opposite side from a side where the information code is observed. The transparent layercomprises low-reflectance portionsand high-reflectance portionshaving a higher reflectance than the low-reflectance portionsThe information code is recorded as a distributed pattern of the high-reflectance portionsThe reflection-reduction layerreduces reflected light advancing to the transparent material layer

Laminated material with imprinted information, article on which the same is attached, method for reading information code

A multi color changing powder with a bluish base appearance color of which color tone varies according to the observation direction is provided. A pleochroism powder of the present invention comprises a flaky mica having a coating which consists of two layers wherein one of said two layers is a first layer comprising a metal oxide of titanium coated on said flaky mica and the other is a second layer comprising metal oxides of cobalt and aluminum coated on said first layer.

Pleochroism powder and pleochroism printed article

Continuous photo film includes a support of resin film having a back surface. A photosensitive layer of photographic emulsion is disposed on a surface of the support opposite to the back surface. A conveying roller conveys the continuous photo film. The conveying roller includes a roller body of metal. A hardness reinforcer layer is formed on a surface of the roller body by thermal spraying of ceramic or cermet, so that the roller body surface is prevented from being scratched or ground by the back surface of the film.

Conveying roller for photosensitive material and method of producing the same

The purpose of the invention is to provide a forgery/alteration protective material which containing a retroreflecting material and having an improved forgery/alteration protecting effect against the process of the upper part of the material. In order to achieve the above purpose, the forgery/alteration protective materialaccording to the invention where a retroreflecting materialfor returning the incident light substantially along the path along which the incident light travels is provided and a transparent filmis layered on the retroreflecting materialis characterized in that a low transmittance layerformed of a material having a lowerer light transmittance than that of the transparent filmis provided between the retroreflecting materialand the transparent film layer, and the light transmittance of the low transmittance layeris 45% or higher to the light in the wavelength range of 420 nm to 700 nm.

Forgery/alteration protective material

An omnidirectional vehicle includes a body, and a plurality of units, each unit including a bearing rotatably supporting a steering shaft around a vertical axis with a rotor plate, and a driving wheel axially supported by a supporter fixed to the rotor plate. The driving wheel is positioned at a location spaced apart for a first offset distance from the steering shaft in the rolling direction of the driving wheel and spaced apart for a second offset distance from the steering shaft in the direction perpendicular to the rolling direction of the driving wheel. A first motor is fixed to the body for driving the steering shaft, and a second motor is fixed to the body for rotating the driving wheel. In the holonomic omnidirectional vehicle, the control system and the driving system are simplified, and interference therebetween is prevented. Also, it is possible to reduce the capacities of the actuators, the electric power for driving the vehicle and the manufacturing costs.

Omnidirectional vehicle and method of controlling the same

An omnidirectional vehicle supports the steering shaft M of the driving wheel 1 serving also as a steering wheel through the shaft stub 8 on the body 7 at the point displaced by a distance S horizontally from the ground contact point of the driving wheel 1, turns the driving wheel 1 by the motor 5 and rotates the steering shaft M by the motor 12 to translate the body 7 back and forth as well as sidewise as desired. The vehicle is controlled to move on the reference trajectory based on the ratio of the angular velocity of the driving wheel 1 and the angular velocity of the steering shaft M. The ratio is calculated based on the position and orientation of the body 7 and the steering angle of the steering shaft M, detected by the sensors, and the reference trajectory of the vehicle.

A photo film cassette has a spool about which photo film is wound. A data disk is disposed near to an axial end of a core of the spool. To record a bar code on the data disk in manufacturing the photo film cassette, a hot stamping apparatus includes at least one spool holder for holding the spool in a slidable manner while the core is erect and the data disk is oriented upwards. A disk support supports the data disk. A slider shifts the disk support between a retracted position away from the spool holder and an advanced position close to the spool holder. The disk support in the advanced position is adapted to lift the data disk by contact with a bottom of the data disk. A hot stamping head is pressed against a top of the data disk, and records a bar code thereto. Cushion springs are biasing the disk support up toward the hot stamping head.

Growing community of inventors

Yokohama, Japan

Masayoshi Wada