DT

Daisaburo Takashima

KT Kabushiki Kaisha Toshiba: 198 patents #15 of 21,451Top 1%
Kioxia: 19 patents #32 of 1,813Top 2%
Toshiba Memory: 13 patents #79 of 1,971Top 5%
Infineon Technologies Ag: 9 patents #986 of 7,486Top 15%
Overall (All Time): #2,433 of 4,157,543Top 1%
230
Patents All Time

Issued Patents All Time

Showing 201–225 of 230 patents

Patent #TitleCo-InventorsDate
5903022 Semiconductor memory device having improved word line arrangement in a memory cell array Shinichiro Shiratake, Tsuneo Inaba 1999-05-11
5903492 Semiconductor memory device and various systems mounting them 1999-05-11
5894447 Semiconductor memory device including a particular memory cell block structure 1999-04-13
5870339 MOS semiconductor device with memory cells each having storage capacitor and transfer transistor Yukihito Oowaki, Daisuke Kato 1999-02-09
5864508 Dynamic random-access memory with high-speed word-line driver circuit Yukihito Oowaki, Kenji Tsuchida, Masako Ohta 1999-01-26
5859805 Dynamic semiconductor memory device having an improved sense amplifier layout arrangement Kenji Tsuchida, Yukihito Oowaki 1999-01-12
5838038 Dynamic random access memory device with the combined open/folded bit-line pair arrangement Shigeyoshi Watanabe, Tohru Ozaki, Takeshi Hamamoto, Yukihito Oowaki 1998-11-17
5811991 Logic circuit and semiconductor device using it 1998-09-22
5761109 Semiconductor memory device having folded bit line array and an open bit line array with imbalance correction Tsuneo Inaba, Yukihito Oowaki, Takashi Ohsawa, Shinichiro Shiratake 1998-06-02
5732010 Dynamic random access memory device with the combined open/folded bit-line pair arrangement Shigeyoshi Watanabe 1998-03-24
5703817 Semiconductor memory device Shinichiro Shiratake, Kenji Tsuchida, Tsuneo Inaba 1997-12-30
5644525 Dynamic semiconductor memory device having an improved sense amplifier layout arrangement Kenji Tsuchida, Yukihito Oowaki 1997-07-01
5638329 MOS semiconductor device with memory cells each having storage capacitor and transfer transistor Yukihito Oowaki, Daisuke Kato 1997-06-10
5629887 Dynamic semiconductor memory device Hiroaki Nakano, Tohru Ozaki 1997-05-13
5610868 Semiconductor memory device Tsuneo Inaba 1997-03-11
5602772 Dynamic semiconductor memory device Hiroaki Nakano, Tohru Ozaki 1997-02-11
5555519 Dynamic random access memory device with the combined open/folded bit-line pair arrangement Shigeyoshi Watanabe 1996-09-10
5555203 Dynamic semiconductor memory device Shinichiro Shiratake, Kazunori Ohuchi 1996-09-10
5541885 High speed memory with low standby current 1996-07-30
5537347 Dynamic semiconductor memory device Shinichiro Shiratake 1996-07-16
5499209 Integrated semiconductor memory with internal voltage booster of lesser dependency on power supply voltage Yukihito Oowaki, Masako Ohta 1996-03-12
5426604 MOS semiconductor device with memory cells each having storage capacitor and transfer transistor Yukihito Oowaki, Daisuke Kato 1995-06-20
5418750 Semiconductor memory device for suppressing noises occurring on bit and word lines Shinichiro Shiratake, Takehiro Hasegawa, Ryu Ogiwara, Ryo Fukuda 1995-05-23
5396450 Dynamic random access memory device with the combined open/folded bit-line pair arrangement Shigeyoshi Watanabe 1995-03-07
5307315 Integrated semiconductor memory with internal voltage booster of lesser dependency on power supply voltage Yukihito Oowaki, Masako Ohta 1994-04-26