Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5330870 | Developer composition for electrophotography for flash fusing | Shingo Tanaka, Koji Shimokusa, Tetsuya Ueno | 1994-07-19 |
| 5252420 | Developer composition for electrophotography | Shingo Tanaka, Tetsuya Ueno | 1993-10-12 |