Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4878125 | Method and apparatus for image processing with fed-back error correction | Akihiro Katayama, Hidefumi Ohsawa, Izuru Sunohara, Hiroshi Hosokawa | 1989-10-31 |
| 4876610 | Image processing apparatus with binarization-error dispersal | Hidefumi Ohsawa, Akihiro Katayama, Hiroshi Hosokawa, Izuru Sunohara | 1989-10-24 |
| 4849937 | Digital delay unit with interleaved memory | — | 1989-07-18 |
| RE32993 | Semiconductor memory device | Kenji Anami, Hirofumi Shinohara, Osamu Tomisawa | 1989-07-18 |
| 4829237 | Circuit device having a self-testing function and a testing method thereof | Hiroshi Segawa | 1989-05-09 |