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Atsushi Tamura
Atsushi Tamura, Wakayama JP
| Patent application number | Description | Published |
|---|---|---|
| 20090312219 | Cleaning Composition - The present invention relates to a cleaning agent composition for use in cleaning a substrate for recording media, a substrate for photomask, or a substrate for flat panel display, a surface of which at least contains a metallic or glassy substrate moiety, the cleaning agent composition containing (I) a copolymer compound satisfying at least the following (i) to (iii): (i) a constituting unit A1 derived from acrylic acid is contained in an amount of 20% by mol or more of the entire constituting units; (ii) the constituting unit A1 derived from acrylic acid and a constituting A2 derived from 2-acrylamide-2-methylpropanesulfonic acid are contained in a total amount of 90% by mol or more of the entire constituting units; and (iii) the constituting unit A1 and the constituting unit A2 of the entire constituting units are in a content ratio [constituting unit A1 (% by mol)/constituting unit A2 (% by mol)] of from 91/9 to 95/5. | 12-17-2009 |
| 20100221417 | AQUEOUS CLEANING COMPOSITION FOR SUBSTRATE FOR PERPENDICULAR MAGNETIC RECORDING HARD DISK - An aqueous cleaning composition for a substrate for a perpendicular magnetic recording hard disk including a Ni—P containing layer contains at least one surfactant selected from the group consisting of surfactants represented by Formulas (1) to (6) and has a pH at 25° C. of 5 or less. | 09-02-2010 |
| 20100255410 | ALKALI-TYPE NONIONIC SURFACTANT COMPOSITION - An alkali-type nonionic surfactant composition contains a nonionic surfactant (component A), water (component B), at least one compound (component C) selected from the group consisting of benzenesulfonic acid, toluenesulfonic acid, dimethylbenzenesulfonic acid, hydroxybenzenesulfonic acid and salts thereof, and at least one alkaline chemical (component D) selected from the group consisting of potassium hydroxide and sodium hydroxide. The alkali-type nonionic surfactant composition contains the nonionic surfactant (component A) in an amount of 0.5 to 20 wt % and has a pH at 25° C. of 12 or greater. | 10-07-2010 |
Atsushi Tamura, Tochigi JP
| Patent application number | Description | Published |
|---|---|---|
| 20100218632 | DRIVING FORCE DISTRIBUTION/TRANSMISSION DEVICE - A driving force distribution/transmission device suppresses a shift of lubrication oil when a vehicle makes a turn, smoothly lubricates sliding parts, and improves reliability. | 09-02-2010 |
Atsushi Tamura, Wakayama-Shi JP
| Patent application number | Description | Published |
|---|---|---|
| 20080296767 | Composition for cleaning semiconductor device - A sulfur-containing detergent composition for cleaning a semiconductor device having an aluminum wire, wherein the sulfur-containing detergent composition is capable of forming a protective film containing a sulfur atom on a surface of an aluminum film in a protective film-forming test; a semiconductor device comprising a protective film containing a sulfur atom on a surface of an aluminum wire, wherein sulfur atom is contained within a region of at least 5 nm in its thickness direction from the surface of the protective film; and method for manufacturing a semiconductor device, comprising the step of contacting an aluminum wire of the semiconductor device with the sulfur-containing detergent composition as defined above, thereby forming a sulfur-containing protective film on the surface of the aluminum wire. The semiconductor device can be suitably used in the manufacture of electronic parts such as LCD, memory and CPU. Especially, the semiconductor device is suitably used in the manufacture of a highly integrated semiconductor with advanced scale-down. | 12-04-2008 |
| 20090247447 | REMOVING AGENT COMPOSITION AND REMOVING/CLEANING METHOD USING SAME - The present invention relates to a removal cleaning method for a semiconductor substrate or a semiconductor device with metal wirings by using a remover composition, wherein the remover composition contains a dissolution agent having an alumina dissolution amount as measured according to the standard test (A-1) of 10 ppm or more, and an inhibitor having an aluminum etching amount as measured according to the standard test (B-1) of 7 nm or less, and the remover composition substantially does not contain a fluorine-containing compound; a method of producing a semiconductor substrate or a semiconductor device, including the step involving the removal cleaning method; and a remover composition containing a specified acid, and a specified inorganic acid salt and/or organic acid salt. The removal cleaning method and the remover composition of the present invention can be suitably used for producing even higher-speed, even more highly integrated and high quality electronic parts such as LCDs, memories and CPUs, particularly for cleaning a semiconductor substrate or a semiconductor device in which a wiring material containing aluminum and/or titanium is used. | 10-01-2009 |
Atsushi Tamura, Tochigi-Shi JP
| Patent application number | Description | Published |
|---|---|---|
| 20080283351 | Power transfer/transmission apparatus - A power transfer/transmission apparatus includes clutch adjusting mechanisms that are easy to assemble and are stably supported, the power transfer/transmission apparatus has a clutch housing, the clutch housing includes a vertical wall (a flange and a vertical wall) connected to a joint shaft and a peripheral wall connected to the vertical wall and enclosing a main clutch, the flange has an output unit support that rotatably supports a first end of a clutch output unit at a position that is axially different from the position of the joint shaft, a second end of the clutch output unit includes a centering part that forms a hollow axle joint having inner splines engaged with an axle so that the axle joint and axle may rotate together. | 11-20-2008 |
| 20090017982 | Power Transmission Device - A power transmission device | 01-15-2009 |
Atsushi Tamura, Amagasaki-Shi JP
| Patent application number | Description | Published |
|---|---|---|
| 20120137219 | DOCUMENT VIEWING DEVICE FOR DISPLAYING DOCUMENT DATA - A MFP is a document viewing device for displaying document data divided for each page. The document viewing device includes a processing device which performs a process of generating a viewing history of a document by a user based on a user operation performed for the document currently displayed on a display device; a process evaluating relevance to an object displayed on the display device to extract the page relevant to the object displayed on the display device from the document data; a process of determining based on the viewing history whether the object is checked or unchecked by the user to extract, from the extracted pages, a page for which it is determined that the object is unchecked; and a process of causing the display device to display, together with the displayed object, a shortcut linked to the page for which it is determined that the object is unchecked. | 05-31-2012 |