Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6605337 | Recording material | Kenichi Mori, Kazuyuki Tsuchiiwa, Katsuya Ito, Yasushi Sasaki | 2003-08-12 |
| 6531231 | Recording material and production method thereof | Katsuya Ito, Toshitake Suzuki | 2003-03-11 |