Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6368730 | Electroluminescent device | Yoshio Kishimoto | 2002-04-09 |
| 5885498 | Organic light emitting device and method for producing the same | Mikiko Matsuo | 1999-03-23 |
| 4888514 | Driving apparatus for ultrasonic motor | Ken Takahashi, Nobukazu Sugano, Horiyuki Harao, Yukihiro Matsuyama, Hiromi Tanoue +1 more | 1989-12-19 |
| 4853579 | Drive method for ultrasonic motor providing enhanced stability of rotation | Osamu Kawasaki, Katsu Takeda, Tetsuji Fukada | 1989-08-01 |
| 4829209 | Ultrasonic motor with stator projections and at least two concentric rings of electrodes | Osamu Kawasaki, Akira Tokushima, Katsu Takeda | 1989-05-09 |
| 4602159 | Infrared detector | Yukio Kasahara | 1986-07-22 |
| 4562373 | Piezoelectric motor | Akira Tokusima | 1985-12-31 |
| 4553099 | Electrostatic voltage sensor | Yukio Kasahara, Kiyotaka Wasa | 1985-11-12 |
| 4510443 | Voltage measuring device | Kiyotaka Wasa | 1985-04-09 |
| 4501987 | Surface acoustic wave transducer using a split-finger electrode on a multi-layered substrate | Tsuneo Mitsuyu, Shusuke Ono, Kiyotaka Wasa | 1985-02-26 |
| 4342012 | Surface acoustic wave device | Kiyotaka Wasa | 1982-07-27 |