Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4970336 | Method of purifying .alpha.-substituted acetic acids | Isao Hashiba, Suketoshi Tsukamoto | 1990-11-13 |
| 4617564 | Graphic display system with display line scan based other than power of 2 refresh memory based on power of 2 | — | 1986-10-14 |