TT

Tetsuya Tsujikawa

HI Hitachi: 21 patents #1,645 of 28,497Top 6%
HC Hitachi Ulsi Systems Co.: 5 patents #151 of 867Top 20%
RT Renesas Technology: 3 patents #990 of 3,337Top 30%
EM Elpida Memory: 1 patents #419 of 692Top 65%
Overall (All Time): #165,568 of 4,157,543Top 4%
25
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7257026 Non-volatile multi-level semiconductor flash memory device and method of driving same Naoki Yamada, Hiroshi Sato, Kazuyuki Miyazawa 2007-08-14
7079416 Non-volatile multi-level, semiconductor flash memory device and method of driving same Naoki Yamada, Hiroshi Sato, Kazuyuki Miyazawa 2006-07-18
6992936 Semiconductor, memory card, and data processing system Atsushi Nozoe, Michitaro Kanamitsu, Shoji Kubono, Eiji Yamamoto, Ken Matsubara 2006-01-31
6788572 Non-volatile multi-level semiconductor flash memory device and method of driving same Naoki Yamada, Hiroshi Sato, Kazuyuki Miyazawa 2004-09-07
6721207 Non-volatile memory system including a control device to control writing, reading and storage and output operations of non-volatile devices including memory cells and data latches Atsushi Nozoe, Michitaro Kanamitsu, Shoji Kubono, Eiji Yamamoto, Ken Matsubara 2004-04-13
6711054 Semiconductor device, data processing system and a method for changing threshold of a non-volatile memory cell Michitaro Kanamitsu, Toshinori Harada, Hiroaki Kotani, Shoji Kubono, Atsushi Nozoe +1 more 2004-03-23
6590808 Non-volatile multi-level semiconductor flash memory device and method of driving same Naoki Yamada, Hiroshi Sato, Kazuyuki Miyazawa 2003-07-08
6507520 Nonvolatile memory system Atsushi Nozoe, Michitaro Kanamitsu, Shoji Kubono, Eiji Yamamoto, Ken Matsubara 2003-01-14
6504764 Non-volatile memory device Atsushi Nozoe, Michitaro Kanamitsu, Shoji Kubono, Eiji Yamamoto, Ken Matsubara 2003-01-07
6496411 Non-volatile multi-level semiconductor flash memory device and method of driving same Naoki Yamada, Hiroshi Sato, Kazuyuki Miyazawa 2002-12-17
6490195 Semiconductor device, data processing system and a method for changing threshold of a non-volatile memory cell Michitaro Kanamitsu, Toshinori Harada, Hiroaki Kotani, Shoji Kubono, Atsushi Nozoe +1 more 2002-12-03
6456526 Non-volatile memory device operation in response to two different types of read commands and a write command which includes write verification Atsushi Nozoe, Michitaro Kanamitsu, Shoji Kubono, Eiji Yamamoto, Ken Matsubara 2002-09-24
6335878 Non-volatile multi-level semiconductor flash memory device and method of driving same Naoki Yamada, Hiroshi Sato, Kazuyuki Miyazawa 2002-01-01
6333871 Nonvolatile semiconductor memory including a controller for providing an improved reprogram operation Atsushi Nozoe, Michitaro Kanamitsu, Shoji Kubono, Eiji Yamamoto, Ken Matsubara 2001-12-25
6320793 Non-volatile memory device Atsushi Nozoe, Michitaro Kanamitsu, Shoji Kubono, Eiji Yamamoto, Ken Matsubara 2001-11-20
6301150 Semiconductor device, data processing system and a method for changing threshold of a non-volatile memory cell Michitaro Kanamitsu, Toshinori Harada, Hiroaki Kotani, Shoji Kubono, Atsushi Nozoe +1 more 2001-10-09
6233174 Non volatile semiconductor, memory Atsushi Nozoe, Michitaro Kanamitsu, Shoji Kubono, Eiji Yamamoto, Ken Matsubara 2001-05-15
6166950 Nonvolatile semiconductor storage device Naoki Yamada, Hiroshi Sato, Kazuyuki Miyazawa 2000-12-26
6078519 Semiconductor device, data processing system and a method for changing threshold of a non-volatile memory cell Michitaro Kanamitsu, Toshinori Harada, Hiroaki Kotani, Shoji Kubono, Atsushi Nozoe +1 more 2000-06-20
6046936 Semiconductor, memory card, and data processing system Atsushi Nozoe, Michitaro Kanamitsu, Shoji Kubono, Eiji Yamamoto, Ken Matsubara 2000-04-04
5872734 Semiconductor nonvolatile memory device and computer system using the same Toshihiro Tanaka, Masataka Kato, Katsutaka Kimura, Kazuyoshi Oshima, Kazuyuki Miyazawa 1999-02-16
5748532 Semiconductor nonvolatile memory device and computer system using the same Toshihiro Tanaka, Masataka Kato, Katsutaka Kimura, Kazuyoshi Oshima, Kazuyuki Miyazawa 1998-05-05
5699311 Semiconductor memory device Hiroshi Sato, Keiichi Yoshida 1997-12-16
5654916 Semiconductor memory device having an improved sense amplifier arrangement Hiroshi Sato, Keiichi Yoshida 1997-08-05
5473570 Semiconductor memory device having an improved sense amplifier arrangement Hiroshi Sato, Keiichi Yoshida 1995-12-05