Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 6479417 | Glass-ceramic microspheres that impart yellow color to retroreflected light | Matthew H. Frey, Charles J. Studiner, III, Kenton D. Budd, Toshihro Kasai, Stephen B. Roscoe +1 more | 2002-11-12 | $19,373,000 |
| 6461988 | Transparent microspheres | Kenton D. Budd, Toshihiro Kasai, Stephen B. Roscoe, Chikafumi Yokoyama | 2002-10-08 | $13,541,000 |
| 6245700 | Transparent microspheres | Kenton D. Budd, Toshihiro Kasai, Stephen B. Roscoe, Chikafumi Yokoyama | 2001-06-12 | $32,137,000 |
| 6144479 | Low reflectivity contrast enhancement filter | Paul S. Lugg, Kenton D. Budd, Matthew H. Frey, Scott G. Theirl | 2000-11-07 | $32,680,000 |