Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6479417 | Glass-ceramic microspheres that impart yellow color to retroreflected light | Matthew H. Frey, Charles J. Studiner, III, Toshihro Kasai, Stephen B. Roscoe, Chikafumi Yokoyama +1 more | 2002-11-12 |
| 6461988 | Transparent microspheres | Toshihiro Kasai, Stephen B. Roscoe, Chikafumi Yokoyama, John E. Bailey | 2002-10-08 |
| 6458512 | Oxynitride encapsulated electroluminescent phosphor particles | Moses M. David, Stephen L. Lieder, Kyung H. Moh | 2002-10-01 |
| 6335083 | Transparent beads and their production method | Toshihiro Kasai, Stephen L. Lieder, James A. Laird, Chikafumi Yokoyama, Toshinori Naruse +2 more | 2002-01-01 |