Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9636727 | Device for drawing tubular workpiece | Koji Hisayuki, Shigeru Aoya | 2017-05-02 |
| 5358812 | Organic photosensitive device for electrophotography and a method of processing a substrate of the device | — | 1994-10-25 |