Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6660688 | Thermosensitive recording medium | Hiroshi Yamada, Tomohisa Kakuda | 2003-12-09 |
| 6593272 | Thermosensitive recording composition and thermosensitive recording material using the same | Tomohisa Kakuda, Hiroshi Yamada | 2003-07-15 |