Issued Patents All Time
Showing 26–50 of 79 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6720606 | Dynamic semiconductor memory device having a trench capacitor | Akihiro Nitayama, Katsuhiko Hieda, Shigeru Ishibashi | 2004-04-13 |
| 6635933 | Structure of a capacitor section of a dynamic random-access memory | Yutaka Ishibashi, Tohru Ozaki | 2003-10-21 |
| 6608356 | Semiconductor device using damascene technique and manufacturing method therefor | Nobuo Hayasaka, Katsuya Okumura | 2003-08-19 |
| 6593202 | Semiconductor memory device and fabrication method thereof | Keiji Hosotani | 2003-07-15 |
| 6551894 | Stacked capacitor-type semiconductor storage device and manufacturing method thereof | Takashi Ohsawa, Shizuo Sawada | 2003-04-22 |
| 6548844 | Capacitor having a structure capable of restraining deterioration of dielectric film, semiconductor device having the capacitor and method of manufacturing the same | Yoshiaki Fukuzumi | 2003-04-15 |
| 6534814 | Method of manufacturing a semiconductor memory device having a trench capacitor with sufficient capacitance and small junction leak current | Junichiro Iba | 2003-03-18 |
| 6506634 | Semiconductor memory device and method for producing same | — | 2003-01-14 |
| 6448618 | Semiconductor device and method for manufacturing the same | Satoshi Inaba, Tohru Ozaki, Kazumesa Sunouchi | 2002-09-10 |
| 6403444 | Method for forming storage capacitor having undulated lower electrode for a semiconductor device | Yoshiaki Fukuzumi | 2002-06-11 |
| 6362042 | DRAM having a cup-shaped storage node electrode recessed within an insulating layer | Keiji Hosotani | 2002-03-26 |
| 6333538 | COB DRAM having contact extending over element-isolating film | Keiji Hosotani | 2001-12-25 |
| 6329683 | Semiconductor memory device and manufacturing method thereof which make it possible to improve reliability of cell-capacitor and also to simplify the manufacturing processes | — | 2001-12-11 |
| 6326691 | Semiconductor device and method for manufacturing the same | Souichi Sugiura | 2001-12-04 |
| 6320260 | Semiconductor device and method for manufacturing the same | Souichi Sugiura | 2001-11-20 |
| 6303429 | Structure of a capacitor section of a dynamic random-access memory | Yutaka Ishibashi, Tohru Ozaki | 2001-10-16 |
| 6268280 | Semiconductor device using dual damascene technology and method for manufacturing the same | — | 2001-07-31 |
| 6225230 | Method of manufacturing semiconductor device | Hiroyuki Nitta | 2001-05-01 |
| 6222722 | Storage capacitor having undulated lower electrode for a semiconductor device | Yoshiaki Fukuzumi | 2001-04-24 |
| 6197675 | Manufacturing method for semiconductor device having contact holes of different structure | Yoshiaki Fukuzumi | 2001-03-06 |
| 6198122 | Semiconductor memory and method of fabricating the same | Mariko Habu, Toru Ozaki, Keiji Hosotani | 2001-03-06 |
| 6175130 | DRAM having a cup-shaped storage node electrode recessed within a semiconductor substrate | Keiji Hosotani | 2001-01-16 |
| 6153476 | Semiconductor device and method for manufacturing the same | Satoshi Inaba, Tohru Ozaki, Kazumasa Sunouchi | 2000-11-28 |
| 6150690 | Structure of a capacitor section of a dynamic random-access memory | Yutaka Ishibashi, Toru Ozaki | 2000-11-21 |
| 6140673 | Semiconductor memory device and fabricating method | — | 2000-10-31 |