Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5424602 | Piezoelectric transformer showing a reduced input impedance and step-up/step-down operation for a wide range of load resistance | Noboru Wakatsuki, Masanori Ueda, Hiroshi Hasegawa | 1995-06-13 |
| 5371430 | Piezoelectric transformer producing an output A.C. voltage with reduced distortion | Noboru Wakatsuki, Masanori Ueda, Hiroshi Hasegawa | 1994-12-06 |
| 5251049 | Reflection type active matrix liquid crystal apparatus | Akira Tanaka, Noboru Wakatsuki | 1993-10-05 |
| 5229680 | Piezoelectric transformer using single crystal of LiNbO.sub.3 | Noboru Wakatsuki, Kiyoshi Nakamura, Yoshinori Adachi | 1993-07-20 |
| 4471384 | Optical reader | Fumiaki Yamada, Toshiaki Naka | 1984-09-11 |