| Patent Number |
Title Of Patent |
Date Issued |
| 7388318 |
Thin film piezoelectric resonator, thin film piezoelectric device, and manufacturing method ther |
June 17, 2008 |
| A thin film piezoelectric device includes a substrate (12) having via holes (22) and a piezoelectric laminated structure (14) consisting of a lower electrode (15), a piezoelectric film (16), and an upper electrode (17) formed on the substrate (12) via an insulation layer (13). A plur |
| 7220430 |
Sustained-release preparation and process for producing the same |
May 22, 2007 |
| The present invention is to provide a sustained release preparation comprising a drug-containing core substance and a multilayered coating layer covering the core substance, wherein all adjacent layers in the multilayered coating layer contain mutually different hydrophobic organic c |
| 7212082 |
Method of manufacturing piezoelectric thin film device and piezoelectric thin film device |
May 1, 2007 |
| Method of producing a piezoelectric thin film device comprises a step of forming an insulating layer (12) capable of being etched by a specific chemical substance on the upper surface of a substrate (11); a step of forming a sacrificial layer (13) made of a substance having a higher |
| 7140084 |
Method of producing thin film bulk acoustic resonator |
November 28, 2006 |
| A method of producing a thin film bulk acoustic resonator having a piezoelectric layer, a first electrode joined to a first surface of the piezoelectric layer, and a second electrode joined to a second surface of the piezoelectric layer, which is located at the opposite side to the f |
| 6936837 |
Film bulk acoustic resonator |
August 30, 2005 |
| A thin film bulk acoustic resonator comprises a substrate (12) of a silicon single crystal, a base film (13) formed on the substrate (12) and composed of a dielectric film mainly containing silicon oxide, and a piezoelectric stacked structure (14) formed on the base film (13). A vibrator |
| 6885260 |
Filter using film bulk acoustic resonator and transmission/reception switch |
April 26, 2005 |
| A transmission band filter (110) having a series of elements (111, 113, 115) each composed of a film bulk acoustic resonator and grounded shunt elements (112, 114) each composed of a film bulk acoustic resonator is connected between a transmission port (102) and an antenna port (106). A |
| 6842088 |
Thin film acoustic resonator and method of producing the same |
January 11, 2005 |
| A pit (52) is formed in a substrate comprising a silicon wafer (51) on a surface of which a silicon oxide thin layer (53) is formed. A sandwich structure (60) comprising a piezoelectric layer (62) and lower and upper electrodes (61, 63) joined to both surfaces of the piezoelectric layer |
| 6692769 |
Sustained-release particles |
February 17, 2004 |
| The present invention discloses sustained release particles having a mean particle size of 300 .mu.m, or less, comprising a drug-containing core substance coated with a mixed coating of a hydrophobic organic compound-water-insoluble polymer, which prevents sticking during compression |
| 6692768 |
Preparation method of drug-containing spherical fine particles |
February 17, 2004 |
| The present invention discloses an efficient preparation method of spherical fine particles containing a drug for an easily-swallowed, controlled-release preparation comprising the production of drug-containing spherical fine particles (mean particle size: 60-200 .mu.m) by adding a b |
