Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4812439 | Color ink sheet for thermal transfer | Shuichi Ohara, Sinichi Akasaka, Shintaroo Hattori | 1989-03-14 |
| 4809231 | Method and apparatus for post-packaging testing of one-time programmable memories | Paul D. Shannon, Paul E. Grimme, Robert W. Sparks | 1989-02-28 |