Issued Patents All Time
Showing 51–75 of 78 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6329238 | Method of fabricating a memory device having a long data retention time with the increase in leakage current suppressed | Ken Yamaguchi, Masatada Horiuchi, Tatsuya Teshima | 2001-12-11 |
| 6204184 | Method of manufacturing semiconductor devices | Akio Nishida, Kikuo Kusukawa, Toshiaki Yamanaka, Natsuki Yokoyama, Norio Suzuki +2 more | 2001-03-20 |
| 6157055 | Semiconductor memory device having a long data retention time with the increase in leakage current suppressed | Ken Yamaguchi, Masatada Horiuchi, Tatsuya Teshima | 2000-12-05 |
| 6130449 | Semiconductor memory device and a method for fabricating the same | Hideyuki Matsuoka, Toshiaki Yamanaka | 2000-10-10 |
| 5658811 | Method of manufacturing a semiconductor device | Hiromasa Noda, Nobuyoshi Kobayashi, Yasushi Goto, Tokuo Kure | 1997-08-19 |
| 5591998 | Semiconductor memory device | Naotaka Hashimoto, Yoshio Sakai, Tokuo Kure, Yoshifumi Kawamoto, Toru Kaga +1 more | 1997-01-07 |
| 5583358 | Semiconductor memory device having stacked capacitors | Naotaka Hashimoto, Yoshio Sakai, Tokuo Kure, Yoshifumi Kawamoto, Toru Kaga +1 more | 1996-12-10 |
| 5466621 | Method of manufacturing a semiconductor device having silicon islands | Dai Hisamoto, Toru Kaga, Masahiro Moniwa, Haruhiko Tanaka, Atsushi Hiraiwa +1 more | 1995-11-14 |
| 5374576 | Method of fabricating stacked capacitor cell memory devices | Naotaka Hashimoto, Yoshio Sakai, Tokuo Kure, Yoshifumi Kawamoto, Toru Kaga +1 more | 1994-12-20 |
| 5357464 | Semiconductor memory having writing and reading transistors, method of fabrication thereof, and method of use thereof | Shuji Shukuri, Toru Koga, Digh Hisamoto, Kazuhiko Sagara, Tokuo Kure +1 more | 1994-10-18 |
| 5355330 | Capacitive memory having a PN junction writing and tunneling through an insulator of a charge holding electrode | Dai Hisamoto, Shoji Shukuri, Kazuhiko Sagara, Shinichi Minami, Eiji Takeda | 1994-10-11 |
| 5346834 | Method for manufacturing a semiconductor device and a semiconductor memory device | Dai Hisamoto, Toru Kaga, Masahiro Moniwa, Haruhiko Tanaka, Atsushi Hiraiwa +1 more | 1994-09-13 |
| 5270232 | Process for fabricating field effect transistor | Shoji Shukuri, Hiromasa Noda, Digh Hisamoto, Hideyuki Matsuoka, Kazuyoshi Torii +4 more | 1993-12-14 |
| 5200635 | Semiconductor device having a low-resistivity planar wiring structure | Toru Kaga, Katsutaka Kimura, Yoshinobu Nakagome, Digh Hisamoto, Yoshifumi Kawamoto +4 more | 1993-04-06 |
| 5140389 | Semiconductor memory device having stacked capacitor cells | Naotaka Hashimoto, Yoshio Sakai, Tokuo Kure, Yoshifumi Kawamoto, Toru Kaga +1 more | 1992-08-18 |
| 5115289 | Semiconductor device and semiconductor memory device | Dai Hisamoto, Toru Kaga, Masahiro Moniwa, Haruhiko Tanaka, Atsushi Hiraiwa +1 more | 1992-05-19 |
| 5091761 | Semiconductor device having an arrangement of IGFETs and capacitors stacked thereover | Atsushi Hiraiwa, Toshiyuki Mine, Takashi Kobayashi, Tokuo Kure, Shinpei Iijima +1 more | 1992-02-25 |
| 5012310 | Semiconductor memory having stacked capacitor | Yoshifumi Kawamoto, Toru Kaga, Hideo Sunami | 1991-04-30 |
| 4984038 | Semiconductor memory and method of producing the same | Hideo Sunami, Makoto Ohkura, Masanobu Miyao, Kikuo Kusukawa, Masahiro Moniwa +2 more | 1991-01-08 |
| 4970564 | Semiconductor memory device having stacked capacitor cells | Naotaka Hashimoto, Yoshio Sakai, Tokuo Kure, Yoshifumi Kawamoto | 1990-11-13 |
| 4937641 | Semiconductor memory and method of producing the same | Hideo Sunami, Makoto Ohkura, Masanobu Miyao, Kikuo Kusukawa, Masahiro Moniwa +2 more | 1990-06-26 |
| 4918502 | Semiconductor memory having trench capacitor formed with sheath electrode | Toru Kaga, Hideo Sunami | 1990-04-17 |
| 4873560 | Dynamic random access memory having buried word lines | Hideo Sunami, Toru Kaga | 1989-10-10 |
| 4873203 | Method for formation of insulation film on silicon buried in trench | Toru Kaga, Tokuo Kure, Yoshifumi Kawamoto, Hideo Sunami | 1989-10-10 |
| 4742018 | Process for producing memory cell having stacked capacitor | Hideo Sunami | 1988-05-03 |