Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5993683 | Piezoelectric ceramic | Kohichi Hayashi, Akira Ando, Akira Nagai, Hiroshi Takagi | 1999-11-30 |
| 5965057 | Piezoelectric ceramic and manufacturing method thereof | Hiroshi Takagi, Akira Ando, Akira Nagai, Yu Tokuda, Koichi Hayashi | 1999-10-12 |
| 5849211 | Piezoelectric ceramic compositions | Kosuke Shiratsuyu, Kunisaburo Tomono | 1998-12-15 |
| 5766502 | Piezoelectric ceramics and manufacturing method thereof | Hiroshi Takagi, Akira Ando, Akira Nagai, Yu Tokuda, Koichi Hayashi | 1998-06-16 |
| 5419844 | Piezoelectric ceramics | Akira Ando, Yasunobu Yoneda, Toshihiko Kittaka | 1995-05-30 |
| 5279996 | Piezoelectric ceramic composition | Toshihiko Kittaka, Yukio Sakabe | 1994-01-18 |