Inventor

Atsushi Kanamaru

Inventor

Sagamihara, JP

Overview

18→

Patents

2000–2013

Patent span

Physics

Primary field (CPC G)

Patents· 18 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G06Fprimary

G06FElectric digital data processing52%

G11BInformation storage based on relative movement between record carrier and transducer43%

Y02DClimate change mitigation technologies in information and communication technologies [ict], i.e. information and communication technologies aiming at the reduction of their own energy use4%

PatentTitleYear

8,539,176'Data storage devices accepting queued commands having deadlines'2013 8,009,376'Disk drive device and method for determining data track format of the disk drive device'2011 7,664,884'Media drive that creates a transfer unnecessary period, and power saving method thereof'2010 7,487,392'Data storage device, and method for rewriting data in nonvolatile memory'2009 7,451,261'Data storage device and control method with buffer control thereof'2008 7,373,460'Media drive and command execution method thereof'2008 7,320,050'Data transmission control method and storage device'2008 6,957,311'Data storage apparatus, computer apparatus, data processing apparatus, and data processing method'2005 6,725,395'Method for assigning alternative sector, method for reading data, disk drive apparatus, and apparatus for writing/reading AV data'2004 6,721,854'Controller device, disk controller, auxiliary storage, computer device, and method for controlling auxiliary storage'2004 6,654,852'Method and system of reading and writing data by a disk drive apparatus'2003 6,636,985'Disk storage device and a method for processing defective sectors in a disk storage device'2003 6,629,200'System and method for controlling cache memories, computer system, hard disk drive unit, and hard disk control unit'2003 6,622,206'Method for controlling write cache transfer and disk unit'2003 6,556,369'Disk drive device with a high frequency access method and apparatus'2003 6,209,046'DMA transfer from a storage unit to a host using at least two transfer rates and cyclic error detection'2001 6,118,608'Disk drive unit and error recovery method executing shorter error recovery procedure when write errors and reset instruction occur'2000 6,041,392'Disk drive device and method for controlling the same'2000

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000–2005Patents assigned to IBM (9)· patent assignee history

2000–2013Based in Sagamihara, JP· patent location history

2003–2010Patents assigned to HITACHI GLOBAL STORAGE TECH (7)· patent assignee history

2003–2011Based in Kanagawa, JP· patent location history

2005Based in Sagamirhara, JP· patent location history

2013Patents assigned to CAMPELLO DE SOUZA JORGE (1)· patent assignee history

2013Patents assigned to CHU FRANK RUI-FENG (1)· patent assignee history

2013Patents assigned to HGST Netherlands BV (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
IBM	9	2000–2005
HITACHI GLOBAL STORAGE TECH	7	2003–2010
CAMPELLO DE SOUZA JORGE	1	2013
CHU FRANK RUI-FENG	1	2013
HGST Netherlands BV	1	2013

Locations

Location	Patents	Span
Sagamihara, JP	10	2000–2013
Kanagawa, JP	7	2003–2011
Sagamirhara, JP	1	2005