Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11468184 | Data protection system, data protection method, and recording medium | Daijiro Kariu, Naoyuki Oe, Takahiro Shima | 2022-10-11 |
| 6864021 | Photomask and pattern forming method used in a thermal flow process and semiconductor integrated circuit fabricated using the thermal flow process | Shinji Ishida, Tsuyoshi Yoshii | 2005-03-08 |
| 6841318 | Levenson phase shift mask and method for forming fine pattern by using the same | — | 2005-01-11 |
| 6566041 | Photomask and pattern forming method used in a thermal flow process and semiconductor integrated circuit fabricated using the thermal flow process | Shinji Ishida, Tsuyoshi Yoshii | 2003-05-20 |
| 6524945 | Method of making an anti-reflection structure for a conductive layer in a semiconductor device | — | 2003-02-25 |
| 6525353 | Anti-reflection structure for a conductive layer in a semiconductor device | — | 2003-02-25 |
| 6274427 | Method of manufacturing a DRAM capacitor | — | 2001-08-14 |
| 6200845 | Method of forming a storage capacitor | — | 2001-03-13 |
| 6200853 | Method of manufacturing semiconductor device having capacitor contact holes | — | 2001-03-13 |
| 6090523 | Multi-resin material for an antireflection film to be formed on a workpiece disposed on a semiconductor substrate | Norihiko Samoto, Atsushi Nishizawa, Tsuyoshi Yoshii, Hiroshi Yoshino | 2000-07-18 |
| 5907772 | Method of producing cylindrical storage node of stacked capacitor in memory cell | — | 1999-05-25 |
| 5646603 | Remote control apparatus for recording/playback equipment | Atsushi Nagata, Kazuhiko Shimizu, Yoshinori Tanba, Takafumi Abe, Tatsuo Imai +2 more | 1997-07-08 |