Issued Patents All Time
Showing 201–224 of 224 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5767612 | Piezoelectric/electrostrictive film element with a diaphragm having at least one stress releasing end section | Yukihisa Takeuchi | 1998-06-16 |
| 5753160 | Method for controlling firing shrinkage of ceramic green body | Yukihisa Takeuchi, Hisanori Yamamoto, Katsuyuki Takeuchi | 1998-05-19 |
| 5733499 | Method for producing ceramic substrate | Yukihisa Takeuchi, Hisanori Yamamoto, Takahiro Maeda | 1998-03-31 |
| 5733670 | Zirconia diaphragm structure, method of producing the same, and piezoelectric/electrostrictive film element having the zirconia diaphragm structure | Yukihisa Takeuchi, Hideo Masumori, Katsuyuki Takeuchi | 1998-03-31 |
| 5728244 | Process for production of ceramic member having fine throughholes | Shigeki Nakao | 1998-03-17 |
| 5634999 | Method of producing ceramic diaphragm structure having convex diaphragm portion | Yukihisa Takeuchi, Hideo Masumori, Katsuyuki Takeuchi | 1997-06-03 |
| 5600197 | Piezoelectric/electrostrictive film element and method of producing the same | Yukihisa Takeuchi | 1997-02-04 |
| 5545461 | Ceramic diaphragm structure having convex diaphragm portion and method of producing the same | Yukihisa Takeuchi, Hideo Masumori, Katsuyuki Takeuchi, Takahiro Maeda | 1996-08-13 |
| 5517076 | Zirconia diaphragm structure and piezoelectric/electrostrictive element incorporating same | Yukihisa Takeuchi, Hideo Masumori, Katsuyuki Takeuchi | 1996-05-14 |
| 5493262 | Dielectric ceramic composition containing ZnO-B.sub.2 O.sub.3 -SiO.sub.2 glass, method of preparing the same, and resonator and filter using the dielectric ceramic composition | Masahiro Abe, Shinsuke Yano | 1996-02-20 |
| 5488019 | Dielectric ceramic composition containing ZnO-B.sub.2 O.sub.3 -SiO.sub.2 glass, method of preparing the same, and resonator and filter using the dielectric ceramic composition | Masahiro Abe, Shinsuke Yano | 1996-01-30 |
| 5485132 | Dielectric ceramic composition containing ZnO-B.sub.2 O.sub.3 -SiO.sub.2 glass, method of preparing the same, and resonator and filter using the dielectric ceramic composition | Masahiro Abe, Shinsuke Yano | 1996-01-16 |
| 5479140 | Dielectric ceramic composition containing ZnO-B.sub.2 O.sub.3 -SiO.sub.2 glass, method of preparing the same, and resonator and filter using the dielectric ceramic composition | Masahiro Abe, Shinsuke Yano | 1995-12-26 |
| 5458981 | Method of producing low temperature firing dielectric ceramic composition containing B.sub.2 O.sub.3 | Masahiro Abe, Shinsuke Yano | 1995-10-17 |
| 5419827 | Partially stabilized zirconia and its application to electronical device | Kazuyoshi Shibata | 1995-05-30 |
| 5378663 | Method of preparing a dielectric ceramic composition for producing a dielectric resonator or filter for microwave applications | Masahiro Abe, Tatsumi Sugiura, Shinsuke Yano | 1995-01-03 |
| 5350721 | Dielectric ceramic composition containing ZNO-B203-SI02 glass, method of preparing the same, and resonator and filter using the dielectric ceramic composition | Masahiro Abe, Shinsuke Yano | 1994-09-27 |
| 5332984 | Dielectric resonator or filter for microwave application, and method of producing the dielectric resonator or filter | Masahiro Abe, Tatsumi Sugiura, Shinsuke Yano | 1994-07-26 |
| 5304521 | Dielectric ceramic composition containing ZnO-B.sub.2 O.sub.3 -SiO.sub.2 glass, method of preparing the same, and resonator and filter using the dielectric ceramic composition | Masahiro Abe, Shinsuke Yano | 1994-04-19 |
| 5292694 | Method of producing low temperature firing dielectric ceramic composition containing B.sub.2 O.sub.3 | Masahiro Abe, Shinsuke Yano | 1994-03-08 |
| 5290740 | Dielectric ceramic composition used for producing dielectric resonator or filter for microwave application | Masahiro Abe, Tatsumi Sugiura, Shinsuke Yano | 1994-03-01 |
| 5278007 | Electrochemical element and method of producing same | Kazuyoshi Shibata | 1994-01-11 |
| 5264403 | Dielectric ceramic composition containing ZnO-B.sub.2 O.sub.3 -SiO.sub.2 glass | Masahiro Abe, Shinsuke Yano | 1993-11-23 |
| 5171721 | Ceramic green sheet for porous layer, electrochemical element using the green sheet, and method of producing the element | Kazuyoshi Shibata | 1992-12-15 |