Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6221271 | Piezoelectric sintered ceramics and piezoelectric ceramic elements constituted thereby | Junichi Watanabe, Hiromi Kikuchi, Hideko Fukushima | 2001-04-24 |
| 5684884 | Piezoelectric loudspeaker and a method for manufacturing the same | Chitose Nakaya, Juro Endo | 1997-11-04 |
| 5281885 | High-temperature stacked-type displacement device | Yoshiyuki Watanabe, Junichi Watanabe, Takahiro Someji | 1994-01-25 |
| 5233260 | Stack-type piezoelectric element and process for production thereof | Takeshi Harada, Akiomi Kohno | 1993-08-03 |
| 5163209 | Method of manufacturing a stack-type piezoelectric element | Takeshi Harada, Masatoshi Kanamaru, Akiomi Kohno | 1992-11-17 |
| 5153477 | Laminate displacement device | Junichi Watanabe, Takahiro Someji, Yoshiyuki Watanabe | 1992-10-06 |
| 5144528 | Laminate displacement device | Junichi Watanabe, Takahiro Someji, Yoshiyuki Watanabe | 1992-09-01 |
| 5092360 | Flow rated control valve using a high-temperature stacked-type displacement device | Yoshiyuki Watanabe, Junichi Watanabe, Takahiro Someji | 1992-03-03 |
| 5073740 | Laminate-type displacement element | Junichi Watanabe | 1991-12-17 |