Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885704 | Electronic document filing apparatus with icon selection | Shiro Takagi, Minoru Sato | 1989-12-05 |
| 4841375 | Image-resolution conversion apparatus for converting a pixel-density of image data | Shunichi Nakajima | 1989-06-20 |
| 4805074 | Solid electrolytic capacitor, and method of manufacturing same | Yoshihiro Harakawa, Hidemitsu Takeuchi, Shinji Nakamura, Sadamu Toita | 1989-02-14 |