Issued Patents All Time
Showing 26–50 of 56 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7049731 | Piezoelectric ceramic composition and piezoelectric ceramic device composed of same | Hirozumi Ogawa, Tatsuya Yamaguchi, Akira Ando | 2006-05-23 |
| 7000160 | Semiconductor integrated circuit and a method of testing the same | Toshihiro Tanaka, Yutaka Shinagawa, Isao Nakamura | 2006-02-14 |
| 6988300 | Method of producing a piezoelectric element | Akira Ando, Koichi Hayashi | 2006-01-24 |
| 6864621 | Piezoelectric element and method for manufacturing the same | Hirozumi Ogawa, Koichi Hayashi, Akira Ando | 2005-03-08 |
| 6767503 | Method of producing ceramic | Hirozumi Ogawa, Akira Ando | 2004-07-27 |
| 6753642 | Piezoelectric ceramic and piezoelectric ceramic element including the same | Hirozumi Ogawa, Akira Ando | 2004-06-22 |
| 6734606 | Piezoelectric ceramic composition and piezoelectric ceramic element using the same | Hirozumi Ogawa, Takuya Sawada, Akira Ando | 2004-05-11 |
| 6700303 | Piezoelectric element | Akira Ando, Takuya Sawada | 2004-03-02 |
| 6690246 | Oscillator and production method therefor | Akira Ando, Takuya Sawada, Koichi Hayashi | 2004-02-10 |
| 6579468 | Piezoelectric ceramic composition, piezoelectric ceramic element, and method for manufacturing the piezoelectric ceramic composition | Akira Ando, Tomoyuki Ogawa | 2003-06-17 |
| 6558567 | Piezoelectric ceramic compact and piezoelectric ceramic device using the same | Takuya Sawada, Akira Ando | 2003-05-06 |
| 6548941 | Piezoelectric element | Takuya Sawada, Akira Ando | 2003-04-15 |
| 6534902 | Piezoelectric device | Akira Ando, Takuya Sawada, Hirozumi Ogawa | 2003-03-18 |
| 6515401 | Piezoelectric resonator | Akira Ando, Takuya Sawada, Jiro Inoue, Hiroaki Kaida, Toru Nagae | 2003-02-04 |
| 6488864 | Piezoelectric ceramic compact and piezoelectric ceramic device | Takuya Sawada, Akira Ando | 2002-12-03 |
| 6445110 | Piezoelectric device | Akira Ando, Takuya Sawada, Hirozumi Ogawa | 2002-09-03 |
| 6423244 | Piezoelectric ceramic composition and piezoelectric ceramic device using the same | Takuya Sawada, Akira Ando, Koichi Hayashi | 2002-07-23 |
| 6424080 | Piezoelectric element and method of producing the same | Akira Ando, Koichi Hayashi | 2002-07-23 |
| 6391223 | Piezoelectric ceramic composition and piezoelectric ceramic element using the same | Takuya Sawada, Akira Ando, Koichi Hayashi | 2002-05-21 |
| 6383411 | Piezoelectric ceramic composition and piezoelectric ceramic device using the same | Takuya Sawada, Akira Ando, Koichi Hayashi | 2002-05-07 |
| 6372152 | Piezoelectric ceramic composition and ceramic piezoelectric device employing the composition | Takuya Sawada, Akira Ando, Koichi Hayashi | 2002-04-16 |
| 6369488 | Piezoelectric device | Akira Ando, Takuya Sawada | 2002-04-09 |
| 6299815 | Process for producing piezoelectric ceramics | Akira Ando | 2001-10-09 |
| 6258291 | Piezoelectric ceramic composition and piezoelectric ceramic device using the same | Akira Ando, Takuya Sawada, Koichi Hayashi | 2001-07-10 |
| 6248254 | Piezoelectric ceramic composition and piezoelectric ceramic device using the same | Akira Ando, Takuya Sawada, Koichi Hayashi | 2001-06-19 |