Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6348529 | Guanidine compound and heat sensitive recording material | Hisao Yamada, Mitsuyuki Tsurumi | 2002-02-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6348529 | Guanidine compound and heat sensitive recording material | Hisao Yamada, Mitsuyuki Tsurumi | 2002-02-19 |