Inventor
OKUBO TAKAO
JP15 patents
⚠️ This page may combine multiple inventors who share the name “OKUBO TAKAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
11 patentsUS6421279B1Jul 16, 2002
Flash memory control method and apparatus processing system therewith
HITACHI LTD162 citations99
US6275436B1Aug 14, 2001
Flash memory control method and apparatus processing system therewith
HITACHI LTD171 citations99
US5530673AJun 25, 1996
Flash memory control method and information processing system therewith
HITACHI LTD315 citations99
US6078520AJun 20, 2000
Flash memory control method and information processing system therewith
HITACHI LTD140 citations98
US5973964AOct 26, 1999
Flash memory control method and information processing system therewith
HITACHI LTD83 citations97
US6266792B1Jul 24, 2001
Semiconductor memory, memory device, and memory card
HITACHI LTD51 citations96
US5862083AJan 19, 1999
Information processing system
HITACHI LTD85 citations96
US6032237AFeb 29, 2000
Non-volatile memory, memory card and information processing apparatus using the same and method for software write protect control of non-volatile memory
HITACHI LTD65 citations95
US5845332ADec 1, 1998
Non-volatile memory, memory card and information processing apparatus using the same and method for software write protect control of non-volatile memory
HITACHI LTD52 citations95
US6477671B2Nov 5, 2002
Semiconductor memory, memory device, and memory card
HITACHI LTD7 citations74
US5440718AAug 8, 1995
Single semiconductor substrate RAM device utilizing data compressing/expanding mechanism in a multi-microprocessor environment
HITACHI LTD17 citations67