Inventor
YAMAKAWA TERUJI
JP25 patents
⚠️ This page may combine multiple inventors who share the name “YAMAKAWA TERUJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJITSU LTD
9 patentsUS6687194B1Feb 3, 2004
Optical storing apparatus and reproducing method for correcting read errors
FUJITSU LTD74 citations97
US6453369B1Sep 17, 2002
Access protection from unauthorized use of memory medium using identifier unique to data storage device
FUJITSU LTD49 citations95
US5590096ADec 31, 1996
Rewritable storage apparatus using first and second bias magnetic fields
FUJITSU LTD56 citations95
US6738877B1May 18, 2004
Access control method, storage apparatus and storage medium
FUJITSU LTD46 citations92
US6618796B2Sep 9, 2003
Data storage device and control method therefor
FUJITSU LTD20 citations92
US6604153B2Aug 5, 2003
Access protection from unauthorized use of memory medium with storage of identifier unique to memory medium in data storage device
FUJITSU LTD21 citations92
US5956295ASep 21, 1999
Magneto-optical disk drive supporting a direct-over-write operation and a write-after-erase operation
FUJITSU LTD21 citations88
US7012866B2Mar 14, 2006
Rotation control method for CAV system based on sequential or random access request and on zone access based on access request of recording medium
FUJITSU LTD2 citations58
US6131137AOct 10, 2000
Drive control unit and optical memory apparatus
FUJITSU LTD0 citations51
KIOXIA CORP
5 patentsUS11360680B2Jun 14, 2022
Storage device
KIOXIA CORP2 citations73
US11861194B2Jan 2, 2024
Storage device configuration and method managing storage configuration
KIOXIA CORP0 citations62
US11775184B2Oct 3, 2023
Memory system, information processing apparatus, and information processing system
KIOXIA CORP0 citations52
US11853464B2Dec 26, 2023
Storage device and data tampering detection method
KIOXIA CORP0 citations51
US11588634B2Feb 21, 2023
Storage device and controlling method
KIOXIA CORP0 citations49
TOSHIBA KK
3 patentsTOSHIBA MEMORY CORP
3 patentsUS10621373B2Apr 14, 2020
Data security management based on device locations and connection states
TOSHIBA MEMORY CORP2 citations72
US10698838B2Jun 30, 2020
Data storage apparatus
TOSHIBA MEMORY CORP1 citations62
US10936532B2Mar 2, 2021
Electronic device and data transmitting/receiving method
TOSHIBA MEMORY CORP0 citations51