Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4812439 | Color ink sheet for thermal transfer | Sinichi Akasaka, Hiroyuki Oka, Shintaroo Hattori | 1989-03-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4812439 | Color ink sheet for thermal transfer | Sinichi Akasaka, Hiroyuki Oka, Shintaroo Hattori | 1989-03-14 |