Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6761942 | Ink jet recording sheet | Yoshinori Tsubaki, Masayuki Ushiku, Keiji Ohbayashi | 2004-07-13 |
| 6699536 | Ink jet recording sheet | Yoshinori Tsubaki | 2004-03-02 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6761942 | Ink jet recording sheet | Yoshinori Tsubaki, Masayuki Ushiku, Keiji Ohbayashi | 2004-07-13 |
| 6699536 | Ink jet recording sheet | Yoshinori Tsubaki | 2004-03-02 |