Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4860034 | Ink jet recording apparatus with ambient temperature detecting means for providing a signal to drive control means responsive to a recording-density data signal | Yoshitaka Watanabe, Nobuaki Sakurada, Makoto Aoki | 1989-08-22 |
| 4814660 | Piezoelectric motor with multilayer piezoelectric elements | Hiroaki Yamada | 1989-03-21 |