Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6646015 | Process for producing diantimony pentoxide sol | Yoshinari Koyama, Motoko Asada | 2003-11-11 |
| 6626987 | Modified metal oxide sol, coating composition and optical element | Yoshinari Koyama, Motoko Iijima | 2003-09-30 |