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Inventor

Masaki Kohno

Inventor
Itami, JP

Overview

10→
Patents
1991–2014
Patent span
Electricity
Primary field (CPC H)

Patents· 10 as inventor

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

H03Fprimary
H03FAmplifiers29%
G11BInformation storage based on relative movement between record carrier and transducer21%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1021%
G06FElectric digital data processing14%
H01PWaveguides7%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light7%
PatentTitleYear
8,749,909'Disk drive with servo system with timing adjustments to master timer for SAM detection errors'20148,174,781'Method for screening magnetic-recording heads'20127,660,077'Method and system for reduction of off-track write errors in disk drives'20107,155,592'System and method for onboard HDD defragmentation and combining multiple G-list entries'20066,415,383'Address offset feature for a hard disk drive'20025,469,107'Microwave amplifier'19955,363,060'Microwave amplifier'19945,357,212'Microwave amplifier'19945,233,313'High power field effect transistor amplifier'19935,018,158'Semiconductor laser device'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–1995Patents assigned to MITSUBISHI ELECTRIC CORP (5)· patent assignee history
1991–1995Based in Itami, JP· patent location history
2002Based in Yamato, JP· patent location history
2006–2010Patents assigned to HITACHI GLOBAL STORAGE TECH (2)· patent assignee history
2006–2014Based in San Jose, CA, US· patent location history
2012Patents assigned to HEEREN SCOTT E (1)· patent assignee history
2012Patents assigned to HITACHI GLOBAL STORAGE TECH NL (1)· patent assignee history
2014Patents assigned to HGST Netherlands BV (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUBISHI ELECTRIC CORP51991–1995
HITACHI GLOBAL STORAGE TECH22006–2010
HEEREN SCOTT E12012
HGST Netherlands BV12014
HITACHI GLOBAL STORAGE TECH NL12012
Locations
LocationPatentsSpan
Itami, JP51991–1995
San Jose, California, US42006–2014
Yamato, JP12002