| Patent Number |
Title Of Patent |
Date Issued |
| 7400568 |
Optical device, optical pickup and optical disk apparatus |
July 15, 2008 |
| An optical device wherein an optical component and a plurality of light emitting elements are mounted on an identical substrate, a level of a surface on which the optical component is mounted is different from that of a surface on which the light emitting elements are mounted by a step |
| 7298972 |
Optical switch and a control method thereof |
November 20, 2007 |
| An optical switch for switching communication light beams propagating through a plurality of optical fibers. The switch includes a plurality of input-side lenses, a plurality of moving mirrors, a plurality of output-side lenses, light emitting units, and light receiving units arrange |
| 5938403 |
Runner, water wheel and method of manufacturing the same |
August 17, 1999 |
| A water machinery runner, which is highly reliable and is so excellent in wear and corrosion resistances that it can be used even under conditions where sediment is contained in a fluid includes crown 21, band 22 and blade 23 of a water machinery runner 2 to be rotated by a working fluid |
| 5839880 |
Bearing unit, drainage pump and hydraulic turbine each incorporating the bearing unit, and metho |
November 24, 1998 |
| Disclosed is a bearing unit which can be used in a drainage pump operated without supply of clean water or a hydraulic pump, which exhibits excellent wear resistance against water containing earth and sand and satisfactory assembling facility, and a method of manufacturing the bearin |
| 5458460 |
Drainage pump and a hydraulic turbine incorporating a bearing member, and a method of manufactur |
October 17, 1995 |
| Disclosed is a bearing unit which can be used in a drainage pump operated without supply of clean water or a hydraulic pump, which exhibits excellent wear resistance against water containing earth and sand and satisfactory assembling facility, and a method of manufacturing the bearin |
| 5346316 |
Bearing unit, drainage pump and hydraulic turbine each incorporating the bearing unit |
September 13, 1994 |
| Disclosed is a bearing unit which can be used in a drainage pump operated without supply of clean water or a hydraulic pump, which exhibits excellent wear resistance against water containing earth and sand and satisfactory assembling facility, and a method of manufacturing the bearin |
| 5301078 |
Magnetic disk unit and manufacturing method of carriage structure thereof |
April 5, 1994 |
| A magnetic disk unit comprising a one-piece carriage structure having a small thermal off-tracking amount, with the carriage structure including a rotary shaft; guide arms integrally supported on a guide-arm retainer at their proximal ends and extending independently and parallely; beari |
| 5297927 |
Vertical shaft type pump |
March 29, 1994 |
| A vertical shaft type pump including a bearing device in which water in the pump is utilized as lubricating water without supplying water to the bearing from the outside of the pump, thereby repeatedly conducting no-load operation in the air (in such a state that water is not pumped) |
| 5180001 |
Heat transfer member |
January 19, 1993 |
| A heat transfer member has a heat transfer unit mounted on a mounting sheet. The heat transfer unit comprises a plurality of layers of wire mesh laminated and bonded together and to the mounting sheet. The spaces between the wires of the mesh layers of the heat transfer unit permit l |
| 5168097 |
Laser deposition process for forming an ultrafine-particle film |
December 1, 1992 |
| The process for forming an ultrafine-particle film according to this invention is characterized by irradiating the surface of a target of a raw material with laser energy in a predetermined atmosphere under conditions where a plume is generated, exposing a substrate (a base material) |
| 4855102 |
Sintering method |
August 8, 1989 |
| A sintering method and fusion welding method of the present invention are characterized in that energy is radiated to the black component of starting materials so as to convert it from the state of an energy absorber to the state of an energy reflector (the state where metallic luste |
| 4610718 |
Method for manufacturing ultra-fine particles |
September 9, 1986 |
| In a method wherein arcs are struck across a material to vaporize into ultra-fine particles and an electrode, thereby to manufacture the ultra-fine particles; the material to turn into the ultra-fine particles is arranged for at least either of the electrodes, and plasma currents are |
