Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6486234 | Impact modifier, process for production, and resin composition containing the same | Masakazu Ito, Akira Nakata | 2002-11-26 |
| 6449411 | Optical wavelength tunable filter | — | 2002-09-10 |