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Inventor

Keiichiroh Yoshida

Inventor
Kanagawa, JP

Overview

4→
Patents
2002–2021
Patent span
Physics
Primary field (CPC G)

Patents· 4 as inventor

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

G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer50%
B23KSoldering or unsoldering17%
G01RMeasuring electric variables17%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems17%
PatentTitleYear
11,045,893Power supply system, power supply device, and control method20217,242,555'Inertial latching mechanism for disk drive actuator'20077,085,107'Inertial latching mechanism for disk drive actuator'20066,480,362'Flex cable, head suspension assembly, and hard disk drive'2002

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2002Patents assigned to IBM (1)· patent assignee history
2002Based in Fujisawa, JP· patent location history
2006–2007Patents assigned to HITACHI GLOBAL STORAGE TECH (2)· patent assignee history
2006–2007Based in Kanagawa, JP· patent location history
2021Patents assigned to DAIHEN CORP (1)· patent assignee history
2021Based in Osaka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI GLOBAL STORAGE TECH22006–2007
DAIHEN CORP12021
IBM12002
Locations
LocationPatentsSpan
Kanagawa, JP22006–2007
Osaka, JP12021
Fujisawa, JP12002