Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885222 | Method for developing electrostatic latent image in an oscillating electric field | Meizo Shirose, Yoko Yamamoto | 1989-12-05 |
| 4870289 | Apparatus for controlling relation in position between a photomask and a wafer | Takeo Sato, Shinichiro Aoki, Katsumasa Yamaguchi, Noboru Nomura, Keisuke Koga +1 more | 1989-09-26 |
| 4833612 | Constant speed control for a motor vehicle | Itaru Okuno, Nagahisa Fujita | 1989-05-23 |
| 4828951 | Method for the formation of multicolor images | Yoshiaki Kobayashi, Mitsutaka Arai | 1989-05-09 |