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Hiwatari, JP
Harunaga Hiwatari, Tokyo JP
| Patent application number | Description | Published |
|---|---|---|
| 20090208005 | KEY GENERATING DEVICE, ENCRYPTING DEVICE, RECEIVING DEVICE, KEY GENERATING METHOD, ENCRYPTING METHOD, KEY PROCESSING METHOD, AND PROGRAM - A key generating device according to an embodiment of the present invention includes: a parameter determining unit that randomly determines a plurality of parameters that are needed when generating a secret key and a public key; a bilinear group selecting unit that selects a plurality of bilinear groups and bilinear mapping on the basis of the plurality of parameters; and a key generating unit that generates the secret key and the public key on the basis of the parameters and the plurality of bilinear groups. | 08-20-2009 |
| 20100119058 | INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, AND PROGRAM - There is provided an information processing apparatus according to the invention including a bilinear map selection unit for selecting a bilinear map used for a predetermined operation, a group selection unit for selecting at least two types of groups G | 05-13-2010 |
Harunaga Hiwatari, Kanagawa JP
| Patent application number | Description | Published |
|---|---|---|
| 20110296188 | AUTHENTICATION DEVICE, AUTHENTICATION METHOD, PROGRAM, AND SIGNATURE GENERATION DEVICE - Provided is an authentication device including a key setting unit for setting sεK | 12-01-2011 |
| 20110296189 | AUTHENTICATION DEVICE, AUTHENTICATION METHOD, PROGRAM, AND SIGNATURE GENERATION DEVICE - Provided is an authentication device including a key setting unit for setting a multi-order polynomial u | 12-01-2011 |
Ken-Ichiro Hiwatari, Tokyo JP
| Patent application number | Description | Published |
|---|---|---|
| 20090075301 | Diagnostic Marker - A diagnostic marker is composed of particles that have a diameter of from 1 nm to 100 μm, the particles possessing on their surfaces a site that has a high specific bonding ability to a specific antigen residing on the mucosa of digestive cancers and a site that has a low bonding ability to the mucosa of digestive organs, and further incorporating an identification material. | 03-19-2009 |
| 20100179283 | SILICON-CONTAINING COMPOUND, CURABLE COMPOSITION AND CURED PRODUCT - A silicon-containing compound of formula (1), and a curing composition containing a silicon-containing compound of formula (1) wherein Z is hydrogen, a silicon-containing compound of formula (1) wherein Z is C2-C4 alkenyl or alkynyl and a hydrosilylation catalyst. The composition has excellent handling and curing properties and provides a cured product with excellent heat resistance and flexibility. | 07-15-2010 |
Kouzou Hiwatari, Kanagawa JP
| Patent application number | Description | Published |
|---|---|---|
| 20090142565 | Mesoporous Silica And Production Method Thereof - The object of the present invention is to provide a production method of mesoporous silica under electrolyte-free conditions by using a surfactant aggregate structure as a template and to provide mesoporous silica with a new shape, which could not be obtained in the past. It is possible to prepare mesoporous silica under electrolyte-free conditions by reacting a nonionic surfactant and a water-soluble silicate monomer with a specific structure under neutral conditions. In addition, a sheet-like mesoporous silica can be prepared in the use of a nonionic surfactant that can form a ribbon phase or a nematic phase in suitable temperature and concentration ranges in a water solution. | 06-04-2009 |
| 20090197948 | Skin External Preparation - The present invention is to provide a skin external preparation with good moisture retention, a rough skin improving effect, and an improved feeling in use. A skin external preparation comprising a polyoxyalkylene glycol/polyethylene glycol copolymer alkyl ether derivative represented by the below-described general formula (I): | 08-06-2009 |
Manabu Hiwatari, Kanagawa JP
| Patent application number | Description | Published |
|---|---|---|
| 20100221629 | FUEL CELL SYSTEM - A fuel cell system including a PEFC stack in an inner space of a housing includes a sheathed heater, arranged in the inner space, for heating the inner space; the sheathed heater is placed on a bottom face side of the inner space of the housing, while a gap is provided between the bottom face and the sheathed heater; a mounting plate for mounting an inner device including the PEFC stack is provided in the inner space of the housing; and the sheathed heater is arranged between the mounting plate and the bottom face of the inner space of the housing. | 09-02-2010 |
Yoshiko Hiwatari, Yokohama-Shi JP
| Patent application number | Description | Published |
|---|---|---|
| 20110097298 | Skin Preparation For External Use - The present invention provides an external composition for skin that has excellent effects in improving elasticity and alleviating wrinkles while moisturizing the skin, has good spreadability on the skin, and has no stickiness. The external composition for skin of the present invention is characterized by comprising: (A) an acrylic polymer comprising the following monomers (a1), (a2), and (a3) as constituent monomers: (a1) acrylic acid or methacrylic acid; (a2) an alkyl acrylate or alkyl methacrylate; and (a3) an ester between acrylic acid or methacrylic acid and polyoxyethylene alkyl ether; and (B) a cross-linked polyamino acid or its salt. In the external composition for skin of the present invention, it is preferable that (A) is 0.01 to 10.0 weight % as a polymer, and (B) is 0.0001 to 5.0 weight % as a polymer. | 04-28-2011 |
Yoshiko Hiwatari, Kanagawa JP
| Patent application number | Description | Published |
|---|---|---|
| 20080299068 | Skin Preparation For External Use - The present invention provides an external composition for skin that has excellent effects in improving elasticity and alleviating wrinkles while moisturizing the skin, has good spreadability on the skin, and has no stickiness. The external composition for skin of the present invention is characterized by comprising: (A) an acrylic polymer comprising the following monomers (a1), (a2), and (a3) as constituent monomers: (a1) acrylic acid or methacrylic acid; (a2) an alkyl acrylate or alkyl methacrylate; and (a3) an ester between acrylic acid or methacrylic acid and polyoxyethylene alkyl ether; and (B) a cross-linked polyamino acid or its salt. In the external composition for skin of the present invention, it is preferable that (A) is 0.01 to 10.0 weight % as a polymer, and (B) is 0.0001 to 5.0 weight % as a polymer. | 12-04-2008 |