Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5091735 | Overhead projector sheet for printing by thermal transfer printing and method of printing the same | Michiaki Tobita, Masahiko Ishida | 1992-02-25 |
| 5021272 | Overhead projector sheet for printing by thermal transfer printing and method of printing the same | Michiaki Tobita, Masahiko Ishida | 1991-06-04 |