Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5972837 | Reversible thermal-recording composite and rewritable reversible thermal-recording sheet and card using the same | Shoko Satoh, Kazuyoshi Yatsushige, Kazuo Nate | 1999-10-26 |
| 5053303 | Electrophotographic element having separate charge generating and charge transporting layers | Junei Sakaguchi, Shuichi Arai | 1991-10-01 |
| 5049465 | Electrophotographic photosensitive material and method of preparing same | Junei Sakaguchi, Shuichi Arai | 1991-09-17 |