Inventors list |
Assignees list |
Classification tree browser |
Top 100 Inventors |
Top 100 Assignees |
Akira Muramatsu
Akira Muramatsu, Machida City JP
| Patent application number | Description | Published |
|---|---|---|
| 20080309028 | Low-Compression Force Metal Gaskets - A low-compression force metal gasket includes a coating layer containing a polymer material on at least a sealing surface of the gasket, and the coating layer satisfies the following conditions (1) to (3): (1) the layer comprises a resin, a rubber or a mixture thereof having an oxygen gas permeability coefficient at 25° C. of 10×10 | 12-18-2008 |
| 20110084456 | Metal Gasket - A metal gasket includes an outer ring that is formed in a substantially C-shaped cross-section having an opening in a circumferential direction and an inner ring that is disposed inside the outer ring, wherein the inner ring is configured in a polygonal shape of a cross section, and a pair of corner portions opposing to each other in the inner ring are disposed on inner circumferential faces on the both sides of the opening in the outer ring. | 04-14-2011 |
Akira Muramatsu, Shizuoka JP
| Patent application number | Description | Published |
|---|---|---|
| 20100247008 | FLUID DYNAMIC BEARING, METHOD OF MANUFACTURING FLUID DYNAMIC BEARING, ROTATING DEVICE, AND DISK DRIVE DEVICE - A fluid dynamic bearing includes a shaft to which a resin flange is fixed by insert molding. The process where the flange is fixed to the shaft by insert molding includes a flange forming process in which the flange, fixed to the shaft, is formed by injecting the resin into a filled portion in the lower mold through an upper mold, while cooling at least part of the shaft, arranged in a shaft arrangement portion in a lower mold, with cooling water circulating through a cooling pipe. | 09-30-2010 |
| 20120033324 | ROTATING BODY FOR FLUID DYNAMIC BEARING CAPABLE OF BEING THINNED AND BEING IMPROVED IN ROTATIONAL ACCURACY AND METHOD OF PRODUCING THE ROTATING BODY FOR FLUID DYNAMIC BEARING - A rotating body for a fluid dynamic bearing used for rotating a recording disk that has been mounted therein include: a rotating shaft portion in which a cylindrical portion that serves as a rotating shaft and a protruding portion extended radially outward from one end of the cylindrical portion are formed integrally with each other; and a hub that is to be connected to the end portion near to the outer circumference of the protruding portion and that has a mounting seat portion on which the recording disk is to be mounted. | 02-09-2012 |
Akira Muramatsu, Aichi-Ken JP
| Patent application number | Description | Published |
|---|---|---|
| 20080289373 | Automotive Door Lock Device - This invention provides an automotive door lock device capable of securely preventing a dropout of an operation connecting portion of operation means from an operating lever connecting portion of an operating lever member. In an automotive door lock device comprising a housing | 11-27-2008 |
| 20090212577 | Vehicle door lock device - A door lock device for a vehicle has a latch mechanism ( | 08-27-2009 |
| 20100194121 | VEHICLE DOOR LATCH DEVICE - A vehicle door latch device, comprising: a housing provided in a vehicle door; a latch | 08-05-2010 |
Akira Muramatsu, Tokyo JP
| Patent application number | Description | Published |
|---|---|---|
| 20090174152 | Composite Sealing Material - A composite sealing material to be installed in a sealing groove includes a first sealing member that is located on the outer peripheral side of the sealing groove and that is made of an elastic member; and a second sealing member that is located on the inner peripheral side of the sealing groove and that is made of a material harder than the first sealing member, wherein the first sealing member is provided with a crosswise protrusion formed projecting in a radial inner direction from a radial inner side of the almost central section of the thickness direction; the second sealing member is formed in an almost cross sectional C shape by flange portions and formed at the both ends and an inner wall portion in an almost linear shape for connecting the flange portions; and a space is ensured between the crosswise protrusion and the inner wall portion in an almost linear shape of the second sealing member in a state that the first sealing member and the second sealing member are assembled in an integrated manner. | 07-09-2009 |
| 20090292169 | ELECTRONIC ENDOSCOPE APPARATUS - An electronic endoscope apparatus includes: an image pickup apparatus mounted at a distal end portion of an insertion portion; an operation portion provided consecutively at the insertion portion, with a frame member incorporated therein; and an electrical cable extended from the operation portion for connection with an external device. In the electronic endoscope apparatus, the frame member has a circuit board portion which establishes electrical connection between shields of the insertion portion and the electrical cable, and on which various electronic parts for exchanging signals with the image pickup apparatus are mounted. In spite of the arrangement of the image pickup apparatus that can acquire high-quality images at a distal end portion of the insertion portion, a size of the apparatus, in particular, a diameter of the insertion portion, can be prevented from being increased. | 11-26-2009 |
| 20120068324 | SEMICONDUCTOR DEVICE - A semiconductor device includes at least two or more groups of external connection terminals to which a substrate that drives a bare chip by inputting a signal from an external apparatus to the bare chip is electrically connected, the at least two or more groups of external connection terminals being formed outside an image area of the bare chip, wherein at least one group of terminals constitutes a first group of terminals, another group of terminals constitutes a second group of terminals, the first group of terminals doubles as the second group of terminals, and a substrate for inspection doubling as a substrate for mounting is electrically connected to the first group of terminals. | 03-22-2012 |
Akira Muramatsu, Aichi JP
| Patent application number | Description | Published |
|---|---|---|
| 20090031838 | Automobile Door-Lock Drive Device - An electric motor | 02-05-2009 |
Akira Muramatsu, Chiryu-Shi JP
| Patent application number | Description | Published |
|---|---|---|
| 20120112474 | VEHICLE DOOR FIXING APPARATUS AND MOVABLE WEDGE DEVICE OF SAME - A movable wedge device of a vehicle door fixing apparatus, includes a base plate fixedly attached to one of a vehicle body panel and a door panel, a movable wedge slidably provided at the base plate and pushed against a fixed wedge provided at the other one of the vehicle body panel and the door panel, a biasing member positioned between the base plate and the movable wedge and biasing the movable wedge toward the fixed wedge, a guide rail provided at one of the base plate and the movable wedge, a guide groove which is provided at the other one of the base plate and the movable wedge and with which the guide rail engages for allowing the movable wedge to slide, and an elastic member provided in a compressed state between a surface of the guide rail and a wall of the guide groove. | 05-10-2012 |
| 20120112477 | MOVABLE WEDGE DEVICE FOR VEHICLE DOOR FIXING APPARATUS AND VEHICLE DOOR FIXING APPARATUS - A movable wedge device for a vehicle door fixing apparatus includes a base plate configured to be fixed to one of a vehicle body panel and a door panel, a mounting hole formed on the base plate and configured to be inserted with a mounting member, a movable wedge provided at the base plate to be movable between a position where the movable wedge covers the mounting hole and a position where the mounting hole is exposed, the movable wedge configured to press onto a fixed wedge configured to be provided at the other of the vehicle body panel and the door panel, a biasing member biasing the movable wedge towards the position where the movable wedge covers the mounting hole, and a hold member detachably provided for stopping a sliding movement of the movable wedge and retaining the movable wedge at the position where the mounting hole is exposed. | 05-10-2012 |