Inventor

HIRAKA SEIJI

JP5 patents

⚠️ This page may combine multiple inventors who share the name “HIRAKA SEIJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TOKYO ELECTRON LTD

3 patents

US5987573ANov 16, 1999

Memory apparatus and memory control method

TOKYO ELECTRON LTD135 citations95

US6457126B1Sep 24, 2002

Storage device, an encrypting/decrypting device and method of accessing a non-volatile memory

TOKYO ELECTRON LTD102 citations94

US6131139AOct 10, 2000

Apparatus and method of simultaneously reading and writing data in a semiconductor device having a plurality of flash memories

TOKYO ELECTRON LTD142 citations93

TOKYO ELECTRON DEVICE LTD

2 patents

US7242632B2Jul 10, 2007

Memory device, memory managing method and program

TOKYO ELECTRON DEVICE LTD27 citations90

US7536109B2May 19, 2009

Optical network system and device, and method for controlling optical network and device

TOKYO ELECTRON DEVICE LTD1 citations49