Issued Patents All Time
Showing 1–25 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7132713 | Controllable conduction device with electrostatic barrier | Kazuo Nakazato, Kiyoo Itoh, Hiroshi Mizuta, Toshikazu Shimada, Tatsuya Teshima +2 more | 2006-11-07 |
| 6825527 | Semiconductor memory device and manufacturing method | Kiyoo Itoh, Toshikazu Shimada, Kazuo Nakazato, Hiroshi Mizuta | 2004-11-30 |
| 6642574 | Semiconductor memory device and manufacturing method thereof | Kiyoo Itoh, Toshikazu Shimada, Kazuo Nakazato, Hiroshi Mizuta | 2003-11-04 |
| 6355517 | Method for fabricating semiconductor memory with a groove | Tokuo Kure, Yoshifumi Kawamoto | 2002-03-12 |
| 6211531 | Controllable conduction device | Kazuo Nakazato, Kiyoo Itoh, Hiroshi Mizuta, Toshikazu Shimada, Tatsuya Teshima +2 more | 2001-04-03 |
| 6169308 | Semiconductor memory device and manufacturing method thereof | Kiyoo Itoh, Toshikazu Shimada, Kazuo Nakazato, Hiroshi Mizuta | 2001-01-02 |
| 6060723 | Controllable conduction device | Kazuo Nakazato, Kiyoo Itoh, Hiroshi Mizuta, Toshikazu Shimada, Tatsuya Teshima +2 more | 2000-05-09 |
| 6028800 | Sense amplifier driver having variable power-supply voltage | Takesada Akiba, Goro Kitsukawa, Hiroshi Otori, Masayuki Nakamura, Adin E. Hyslop | 2000-02-22 |
| 5357131 | Semiconductor memory with trench capacitor | Tokuo Kure, Yoshifumi Kawamoto, Masao Tamura, Masanobu Miyao | 1994-10-18 |
| 5266815 | Semiconductor integrated circuit device having superconductive layer and isolation member with nitride isolation | Toshikazu Nishino, Shoji Shukuri, Yasuo Wada, Yutaka Misawa, Takahiko Kato | 1993-11-30 |
| 5237528 | Semiconductor memory | Tokuo Kure, Masanobu Miyao, Yoshifumi Kawamoto, Katsuhiro Shimohigashi, Yoshio Sakai +4 more | 1993-08-17 |
| 5214496 | Semiconductor memory | Tokuo Kure, Masanobu Miyao, Yoshifumi Kawamoto, Katsuhiro Shimohigashi, Yoshio Sakai +4 more | 1993-05-25 |
| 5106775 | Process for manufacturing vertical dynamic random access memories | Toru Kaga, Yoshifumi Kawamoto | 1992-04-21 |
| 5017981 | Semiconductor memory and method for fabricating the same | Tokuo Kure, Yoshifumi Kawamoto | 1991-05-21 |
| 5012310 | Semiconductor memory having stacked capacitor | Shinichiro Kimura, Yoshifumi Kawamoto, Toru Kaga | 1991-04-30 |
| 4984038 | Semiconductor memory and method of producing the same | Makoto Ohkura, Masanobu Miyao, Kikuo Kusukawa, Masahiro Moniwa, Shinichiro Kimura +2 more | 1991-01-08 |
| 4984030 | Vertical MOSFET DRAM | Tokuo Kure, Yoshifumi Kawamoto, Masao Tamura, Masanobu Miyao | 1991-01-08 |
| 4967247 | Vertical dynamic random access memory | Toru Kaga, Yoshifumi Kawamoto | 1990-10-30 |
| 4937641 | Semiconductor memory and method of producing the same | Makoto Ohkura, Masanobu Miyao, Kikuo Kusukawa, Masahiro Moniwa, Shinichiro Kimura +2 more | 1990-06-26 |
| 4918502 | Semiconductor memory having trench capacitor formed with sheath electrode | Toru Kaga, Shinichiro Kimura | 1990-04-17 |
| 4901128 | Semiconductor memory | Tokuo Kure, Masanobu Miyao, Yoshifumi Kawamoto, Katsuhiro Shimohigashi, Yoshio Sakai +4 more | 1990-02-13 |
| 4873560 | Dynamic random access memory having buried word lines | Shinichiro Kimura, Toru Kaga | 1989-10-10 |
| 4873203 | Method for formation of insulation film on silicon buried in trench | Toru Kaga, Shinichiro Kimura, Tokuo Kure, Yoshifumi Kawamoto | 1989-10-10 |
| 4860071 | Semiconductor memory using trench capacitor | Tokuo Kure, Atsushi Hiraiwa, Yasuo Wada | 1989-08-22 |
| 4751557 | Dram with FET stacked over capacitor | Tokuo Kure, Yoshifumi Kawamoto, Masao Tamura, Masanobu Miyao | 1988-06-14 |