Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5306189 | Cathode impregnated by an electron emissive substance comprising (PBAO.QCAO).NBAA1204, where P>1, Q>0, N>1 | Toshikazu Sugimura | 1994-04-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5306189 | Cathode impregnated by an electron emissive substance comprising (PBAO.QCAO).NBAA1204, where P>1, Q>0, N>1 | Toshikazu Sugimura | 1994-04-26 |