Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5141903 | Pyroelectric ceramic composition | Akira Kawabata, Tamotsu Ueyama, Mikiya Ono | 1992-08-25 |
| 4571519 | Sezawa surface acoustic wave device using a piezoelectric layer over a nitride layer on a substrate | Akira Kawabata, Fumio Takeda, Satoru Fujishima, Hideharu Ieki | 1986-02-18 |