Issued Patents All Time
Showing 25 most recent of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7706209 | Semiconductor memory device capable of driving non-selected word lines to a variable negative potential based on a bank access operation | Masato Takita, Masato Matsumiya, Satoshi Eto, Toshikazu Nakamura, Masatomo Hasegawa +6 more | 2010-04-27 |
| 7079443 | Semiconductor device | Masato Takita, Masato Matsumiya, Satoshi Eto, Toshikazu Nakamura, Masatomo Hasegawa +6 more | 2006-07-18 |
| 6628564 | Semiconductor memory device capable of driving non-selected word lines to first and second potentials | Masato Takita, Masato Matsumiya, Satoshi Eto, Toshikazu Nakamura, Masatomo Hasegawa +6 more | 2003-09-30 |
| 6621327 | Substrate voltage selection circuit | — | 2003-09-16 |
| 6611472 | Memory circuit for preventing rise of cell array power source | Kaoru Mori | 2003-08-26 |
| 6605963 | Semiconductor integrated circuit and method of switching source potential of transistor in semiconductor integrated circuit | Masato Matsumiya, Satoshi Eto, Masato Takita, Toshikazu Nakamura, Hideki Kanou +4 more | 2003-08-12 |
| 6529440 | Semiconductor memory device with reduced current consumption | Kaoru Mori | 2003-03-04 |
| 6529434 | Semiconductor memory device with concurrent refresh and data access operation | Masato Matsumiya | 2003-03-04 |
| 6515927 | Semiconductor memory having a wide bus-bandwidth for input/output data | Masato Matsumiya | 2003-02-04 |
| 6512717 | Semiconductor memory device having a relaxed pitch for sense amplifiers | Satoshi Eto, Masato Matsumiya, Shusaku Yamaguchi, Toshikazu Nakamura, Hideki Kano +1 more | 2003-01-28 |
| 6421292 | Semiconductor memory, and memory access method | Masato Matsumiya, Shinichi Yamada, Masato Takita | 2002-07-16 |
| 6377101 | Variable delay circuit and semiconductor integrated circuit device | Satoshi Eto, Masao Taguchi, Masato Matsumiya, Toshikazu Nakamura, Masato Takita +6 more | 2002-04-23 |
| 6262930 | Semiconductor memory device with overdriven sense amplifier and stabilized power-supply circuit of source follower type | Kaoru Mori, Masato Matsumiya, Shinichi Yamada, Yuki Ishii, Hideki Kanou +1 more | 2001-07-17 |
| 6252269 | Semiconductor memory device | Masatomo Hasegawa, Masato Matsumiya, Satoshi Eto, Masato Takita, Toshikazu Nakamura +4 more | 2001-06-26 |
| 6236605 | Semiconductor integrated circuit and semiconductor memory device including overdriving sense amplifier | Kaoru Mori, Masato Matsumiya, Masato Takita, Shinichi Yamada, Koichi Nishimura +1 more | 2001-05-22 |
| 6229363 | Semiconductor device | Satoshi Eto, Masato Matsumiya, Masato Takita, Toshikazu Nakamura, Kuninori Kawabata +4 more | 2001-05-08 |
| 6201378 | Semiconductor integrated circuit | Satoshi Eto, Masato Matsumiya, Masato Takita, Toshikazu Nakamura, Kuninori Kawabata +4 more | 2001-03-13 |
| 6172537 | Semiconductor device | Hideki Kanou, Masato Matsumiya, Satoshi Eto, Masato Takita, Toshikazu Nakamura +4 more | 2001-01-09 |
| 6147919 | Semiconductor memory employing direct-type sense amplifiers capable of realizing high-speed access | Kuninori Kawabata, Masato Matsumiya, Satoshi Eto, Masato Takita, Toshikazu Nakamura +6 more | 2000-11-14 |
| 6140844 | Amplifier | Masato Matsumiya | 2000-10-31 |
| 6115284 | Memory device with faster write operation | Masato Matsumiya, Satoshi Eto, Masato Takita, Toshikazu Nakamura, Kuninori Kawabata +4 more | 2000-09-05 |
| 6115316 | Semiconductor memory device with overdriven sense amplifier and stabilized power-supply circuit of source follower type | Kaoru Mori, Masato Matsumiya, Shinichi Yamada, Yuki Ishii, Hideki Kanou +1 more | 2000-09-05 |
| 6111802 | Semiconductor memory device | Hideki Kano, Masato Matsumiya, Masato Takita, Toru Koga, Satoshi Eto +3 more | 2000-08-29 |
| 6072749 | Memory device preventing a slow operation through a mask signal | Toshikazu Nakamura, Masato Matsumiya, Satoshi Eto, Masato Takita, Kuninori Kawabata +4 more | 2000-06-06 |
| 6049239 | Variable delay circuit and semiconductor integrated circuit device | Satoshi Eto, Masao Taguchi, Masato Matsumiya, Toshikazu Nakamura, Masato Takita +6 more | 2000-04-11 |