Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7465495 | Composite black oxide particle, method for producing same, black coating material and black matrix | Shoichi Fujiyasu, Koichi Katsuyama, Hiroyuki Shimamura | 2008-12-16 |
| 7226544 | Magnetite particles | Hiroyuki Shimamura | 2007-06-05 |