SA

Shigeru Atsumi

KT Kabushiki Kaisha Toshiba: 123 patents #51 of 21,451Top 1%
TO Toshiba: 1 patents #1,121 of 2,688Top 45%
SO Sony: 1 patents #17,262 of 25,231Top 70%
Overall (All Time): #9,017 of 4,157,543Top 1%
126
Patents All Time

Issued Patents All Time

Showing 51–75 of 126 patents

Patent #TitleCo-InventorsDate
6252801 Nonvolatile semiconductor memory device Hironori Banba 2001-06-26
6233189 Semiconductor memory device Toru Tanzawa 2001-05-15
6226224 Semiconductor integrated circuit device and storage device Hironori Banba, Hitoshi Shiga, Akira Umezawa 2001-05-01
6222774 Data-erasable non-volatile semiconductor memory device Toru Tanzawa, Akira Umezawa, Tadayuki Taura 2001-04-24
6222773 Nonvolatile semiconductor memory in which the number of programming or erasing bits increases with the progress of programming or erasing Tooru Tanzawa, Nobuaki Otsuka, Hironori Banba, Masao Kuriyama, Seiichi Mori +1 more 2001-04-24
6215332 Semiconductor integrated circuit having power supply voltage detecting function Hironori Banba 2001-04-10
6205045 Semiconductor memory device having improved cell array layout Masao Kuriyama 2001-03-20
6195307 Booster circuit and semiconductor memory device having the same Akira Umezawa, Hironori Banba 2001-02-27
6166987 Nonvolatile semiconductor memory device having row decoder Sumio Tanaka 2000-12-26
6160738 Nonvolatile semiconductor memory system Hironori Banba, Masao Kuriyama 2000-12-12
6151252 Nonvolatile semiconductor memory device Sumio Tanaka 2000-11-21
6144582 Nonvolatile semiconductor memory device Hironori Banba 2000-11-07
6128242 Power supply circuit and semiconductor memory device having the same Hironori Banba 2000-10-03
6118697 Nonvolatile semiconductor memory in which the number of programming or erasing bits increases with the progress of programming or erasing Tooru Tanzawa, Nobuaki Otsuka, Hironori Banba, Masao Kuriyama, Seiichi Mori +1 more 2000-09-12
6111456 Semiconductor circuit Hidetoshi Saito, Akira Umezawa 2000-08-29
6108246 Semiconductor memory device Akira Umezawa, Hitoshi Shiga, Hironori Banba 2000-08-22
6088267 Nonvolatile semiconductor memory device having row decoder Sumio Tanaka 2000-07-11
6064618 Semiconductor memory device having improved cell array layout Masao Kuriyama 2000-05-16
6052313 Semiconductor integrated circuit device Masao Kuriyama, Akira Umezawa, Hironori Banba, Tadayuki Taura, Hidetoshi Saito 2000-04-18
6041014 Nonvolatile semiconductor memory device having row decoder Sumio Tanaka 2000-03-21
6041012 Semiconductor integrated circuit device having a booster circuit and a storage device Hironori Banba, Hitoshi Shiga, Akira Umezawa 2000-03-21
6041011 Booster circuit and semiconductor memory device having the same Akira Umezawa, Hironori Banba 2000-03-21
6034567 Semiconductor integrated circuit device provided with a differential amplifier Akira Umezawa, Norihisa Arai, Hironori Banba, Ryo Sudo 2000-03-07
6011723 Nonvolatile semiconductor memory device including a circuit for providing a boosted potential Sumio Tanaka 2000-01-04
5986940 Semiconductor integrated circuit device with a constant current source Tadayuki Taura 1999-11-16