Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6424572 | Semiconductor memory apparatus that can surely attain discharge operation while reducing discharge period when reading operation is done | — | 2002-07-23 |
| 6404117 | Cathode-ray tube device comprising a deflection yoke with a non-circular core having specified dimensional relationships | Kouichi Soneda, Masahiro Yokota | 2002-06-11 |
| 6396206 | Cathode ray tube having multiple sets of orbital correction coils | Masahiro Yokota, Hiroaki Ibuki | 2002-05-28 |
| 6384525 | Cathode-ray tube having a non-circular yoke section | Hideo Mori | 2002-05-07 |
| 6380667 | Color cathode-ray tube apparatus | Masahiro Yokota, Hiroaki Ibuki | 2002-04-30 |
| 6307314 | Cathode ray tube with deflection yoke including non-circular separator | — | 2001-10-23 |
| 6268692 | Cathode ray tube with contoured envelope | Masahiro Yokota | 2001-07-31 |
| 6195297 | Semiconductor memory device having pull-down function for non-selected bit lines | — | 2001-02-27 |
| 6087767 | CRT with non-circular cone and yoke | Masahiro Yokota | 2000-07-11 |
| 6002203 | Cathode ray tube having an envelope shaped to reduce beam deflection power requirements | Masahiro Yokota, Eiji Kamohara, Tadahiro Kojima | 1999-12-14 |
| 5962964 | Cathode ray tube apparatus | Masahiro Yokota | 1999-10-05 |
| 5929559 | Cathode ray tube | Masahiro Yokota, Tadahiro Kojima, Eiji Kamohara | 1999-07-27 |
| 5763995 | Cathode ray tube | Masahiro Yokota, Tadahiro Kojima, Eiji Kamohara | 1998-06-09 |
| 5654921 | Non-volatile memory device equipped with means to electrically erase data | — | 1997-08-05 |