AK

Ayako Kitamoto

Fujitsu Limited: 28 patents #849 of 24,456Top 4%
FL Fujitsu Microelectronics Limited: 1 patents #212 of 624Top 35%
Overall (All Time): #132,603 of 4,157,543Top 4%
29
Patents All Time

Issued Patents All Time

Showing 25 most recent of 29 patents

Patent #TitleCo-InventorsDate
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