Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6421511 | Transfer device and image formation apparatus | Toshihiro Sugiyama, Hiroshi Ishii, Hiroshi Saitoh | 2002-07-16 |
| 5698878 | Plate potential applying structure of trench capacitor cell | Yusuke Kohyama | 1997-12-16 |