Inventor

HIRATSUKA YUKIE

JP9 patents

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

HITACHI GLOBAL STORAGE TECH

6 patents

US7149930B2Dec 12, 2006

Recording/reproducing apparatus

HITACHI GLOBAL STORAGE TECH73 citations97

US7457073B2Nov 25, 2008

Disk drive that controls heater current according to rotational speed

HITACHI GLOBAL STORAGE TECH15 citations84

US7539820B2May 26, 2009

Disk device and control method for cache

HITACHI GLOBAL STORAGE TECH8 citations82

US7461219B2Dec 2, 2008

Disk drive and method for performing realtime processing and non-realtime processing simultaneously

HITACHI GLOBAL STORAGE TECH2 citations62

US7487290B2Feb 3, 2009

Disk drive having real time performance improvement

HITACHI GLOBAL STORAGE TECH4 citations59

US7624228B2Nov 24, 2009

Disk drive and method of controlling cache memory therein

HITACHI GLOBAL STORAGE TECH0 citations39

MAXELL LTD

1 patent

US11850055B2Dec 26, 2023

Electroencephalographic data analysis system, information processing terminal, electronic device, and method of presenting information for dementia examination

MAXELL LTD2 citations71

HITACHI LTD

1 patent

US7535666B2May 19, 2009

Disk-type storage medium driving apparatus and disk-type storage medium rotation speed control method

HITACHI LTD3 citations61

HIRATSUKA YUKIE

1 patent

US8117489B2Feb 14, 2012

Disk drive and method for controlling the disk drive

HIRATSUKA YUKIE0 citations33