YI

Youji Idei

HI Hitachi: 20 patents #1,757 of 28,497Top 7%
HC Hitachi Device Engineering Co.: 7 patents #48 of 514Top 10%
Overall (All Time): #226,246 of 4,157,543Top 6%
20
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6498762 Semiconductor integrated circuit device and method of activating the same Hiromasa Noda, Masakazu Aoki, Kazuhiko Kajigaya, Osamu Nagashima, Kiyoo Itoh +2 more 2002-12-24
6473358 Semiconductor memory device Hiromasa Noda, Osamu Nagashima, Tetsuo Ado 2002-10-29
6473354 Semiconductor integrated circuit device and method of activating the same Hiromasa Noda, Masakazu Aoki, Kazuhiko Kajigaya, Osamu Nagashima, Kiyoo Itoh +2 more 2002-10-29
6424586 Semiconductor integrated circuit device and method of activating same Hiromasa Noda, Masakazu Aoki, Kazuhiko Kajigaya, Osamu Nagashima, Kiyoo Itoh +2 more 2002-07-23
6396761 Semiconductor integrated circuit device and method of activating the same Hiromasa Noda, Masakazu Aoki, Kazuhiko Kajigaya, Osamu Nagashima, Kiyoo Itoh +2 more 2002-05-28
6385100 Semiconductor memory device with improved column selecting operation Hiromasa Noda, Osamu Nagashima, Tetsuo Ado 2002-05-07
6275440 Semiconductor integrated circuit device and method of activating the same Hiromasa Noda, Masakazu Aoki, Kazuhiko Kajigaya, Osamu Nagashima, Kiyoo Itoh +2 more 2001-08-14
6240035 Semiconductor integrated circuit device and method of activating the same Hiromasa Noda, Masakazu Aoki, Kazuhiko Kajigaya, Osamu Nagashima, Kiyoo Itoh +2 more 2001-05-29
6128248 Semiconductor memory device including a clocking circuit for controlling the read circuit operation Masakazu Aoki, Hiromasa Noda 2000-10-03
5955905 Signal generator with synchronous mirror delay circuit Masakazu Aoki, Hiromasa Noda 1999-09-21
5926430 Semiconductor integrated circuit device and method of activating the same Hiromasa Noda, Masakazu Aoki, Kazuhiko Kajigaya, Osamu Nagashima, Kiyoo Itoh +2 more 1999-07-20
5724297 Semiconductor integrated circuit device and method of activating the same Hiromasa Noda, Masakazu Aoki, Kazuhiko Kajigaya, Osamu Nagashima, Kiyoo Itoh +2 more 1998-03-03
5629898 Dynamic memory device, a memory module, and a method of refreshing a dynamic memory device Katsuhiro Shimohigashi, Masakazu Aoki, Hiromasa Noda, Katsuyuki Sato, Hidetoshi Iwai +5 more 1997-05-13
5523966 Memory cell and a memory device having reduced soft error Hiroaki Nambu, Kazuo Kanetani, Toru Masuda, Kunihiko Yamaguchi, Kenichi Ohhata +1 more 1996-06-04
5448527 Decoder and driver for use in a semiconductor memory Hiroaki Nambu, Noriyuki Homma, Kazuo Kanetani, Kenichi Ohhata, Takesi Kusunoki 1995-09-05
5402377 Semiconductor memory device having a controlled auxiliary decoder Kenichi Ohhata, Hiroaki Nambu, Kazuo Kanetani, Takeshi Kusunoki, Toru Masuda 1995-03-28
5398201 Bit-line drive circuit for a semiconductor memory Hiroaki Nambu, Noriyuki Homma, Kunihiko Yamaguchi, Hisayuki Higuchi, Kazuo Kanetani +4 more 1995-03-14
5255225 Semiconductor integrated circuit device and memory consisting of semiconductor integrated circuit Hiroaki Nambu, Noriyuki Homma, Kunihiko Yamaguchi, Kazuo Kanetani, Hisayuki Higuchi +8 more 1993-10-19
5163022 Semiconductor cell memory with current sensing Noriyuki Homma, Hiroaki Nambu, Kunihiko Yamaguchi, Tohru Nakamura, Kazuo Kanetani +3 more 1992-11-10
5086414 Semiconductor device having latch means Hiroaki Nambu, Noriyuki Homma, Kunihiko Yamaguchi, Kazuo Kanetani, Kenichi Ohhata +2 more 1992-02-04