Issued Patents All Time
Showing 26–50 of 70 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5898606 | Electrically programmable and erasable nonvolatile semiconductor memory device and operating method therefor | Shinichi Kobayashi, Yasushi Terada, Yoshikazu Miyawaki, Takeshi Nakayama, Tomoshi Futatsuya +4 more | 1999-04-27 |
| 5877524 | Non-volatile semiconductor memory device | Takahiro Oonakado, Hiroshi Onoda, Kiyohiko Sakakibara | 1999-03-02 |
| 5798289 | Method of manufacturing stacked capacitors in a DRAM with reduced isolation region between adjacent capacitors | Hideaki Arima, Atsushi Hachisuka | 1998-08-25 |
| 5745417 | Electrically programmable and erasable nonvolatile semiconductor memory device and operating method therefor | Shinichi Kobayashi, Yasushi Terada, Yoshikazu Miyawaki, Takeshi Nakayama, Tomoshi Futatsuya +4 more | 1998-04-28 |
| 5683929 | Method of manufacturing a semiconductor device having a capacitor | Makoto Ohi, Hideaki Arima | 1997-11-04 |
| 5672533 | Field effect transistor having impurity regions of different depths and manufacturing method thereof | Hideaki Arima, Makoto Ohi, Atsushi Hachisuka, Tomonori Okudaira | 1997-09-30 |
| 5659505 | Electrically programmable and erasable nonvolatile semiconductor memory device and operating method therefor | Shinichi Kobayashi, Yasushi Terada, Yoshikazu Miyawaki, Takeshi Nakayama, Tomoshi Futatsuya +2 more | 1997-08-19 |
| 5621689 | Nonvolatile semiconductor memory device having controlled charge pump load | Kiyohiko Sakakibara | 1997-04-15 |
| 5600164 | Non-volatile semiconductor memory device | Masahiro Hatanaka | 1997-02-04 |
| 5597755 | Method of manufacturing a stacked capacitor in a dram | Hideaki Arima, Atsushi Hachisuka | 1997-01-28 |
| 5554867 | Nonvolatile semiconductor memory device having a memory cell transistor and a select transistor | Atsushi Ohba | 1996-09-10 |
| 5538912 | Method of making memory cells with peripheral transistors | Yuichi Kunori, Hiroshi Onoda, Makoto Ohi, Atsushi Fukumoto | 1996-07-23 |
| 5523596 | Semiconductor device having capacitor and manufacturing method therefor | Makoto Ohi, Hideaki Arima | 1996-06-04 |
| 5504376 | Stacked-type semiconductor device | Kazuyuki Sugahara, Toshiaki Ogawa, Toshiaki Iwamatsu, Takashi Ipposhi | 1996-04-02 |
| 5489791 | Field effect transistor having impurity regions of different depths and manufacturing method thereof | Hideaki Arima, Makoto Ohi, Atsushi Hachisuka, Tomonori Okudaira | 1996-02-06 |
| 5446301 | Semiconductor device including semiconductor layer having impurity region and method of manufacturing the same | Koji Eguchi, Kazuyuki Sugahara | 1995-08-29 |
| 5444282 | Semiconductor device and a method of manufacturing thereof | Yasuo Yamaguchi, Tsuyoshi Yamano | 1995-08-22 |
| 5434439 | Dynamic random access memory having stacked type capacitor and manufacturing method therefor | Hideaki Arima, Atsushi Hachisuka | 1995-07-18 |
| 5428235 | Semiconductor memory device including improved connection structure to FET elements | Masahiro Shimizu, Takehisa Yamaguchi | 1995-06-27 |
| 5400278 | Semiconductor memory device and method of manufacturing the same | Yuichi Kunori, Hiroshi Onoda, Makoto Ohi, Atsushi Fukumoto | 1995-03-21 |
| 5381365 | Dynamic random access memory having stacked type capacitor and manufacturing method therefor | Hideaki Arima, Atsushi Hachisuka | 1995-01-10 |
| 5381029 | Semiconductor device including semiconductor layer having impurity region and method of manufacturing the same | Koji Eguchi, Kazuyuki Sugahara | 1995-01-10 |
| 5378643 | Electrically programmable non-volatile semiconductor memory device and manufacturing method thereof | Hideaki Arima | 1995-01-03 |
| 5364811 | Method of manufacturing a semiconductor memory device with multiple device forming regions | Hideaki Arima, Kaoru Motonami, Atsushi Hachisuka, Tomonori Okudaira | 1994-11-15 |
| 5355022 | Stacked-type semiconductor device | Kazuyuki Sugahara, Toshiaki Ogawa, Toshiaki Iwamatsu, Takashi Ipposhi | 1994-10-11 |