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Inventor

Yoshihiro Fukagawa

Inventor
Yokohama, JP

Overview

9→
Patents
1990–2016
Patent span
Physics
Primary field (CPC G)

Patents· 9 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 transducer100%
PatentTitleYear
9,230,591'Optical disc library and storage apparatus including disc changer functionality'20167,480,925'Optical disc apparatus'20097,380,253'Disk drive apparatus'20087,319,652'Controlling optical pickup of optical disk drive by detecting change of sampling signals taken from a motor drive signal'20086,954,414'Controlling optical pickup of optical disk drive by detecting change of sampling signals taken from a motor drive signal'20055,321,567'Tape loading mechanism for a rotating drum and cassette tape recording and reproducing apparatus'19945,168,399'Tape loading mechanism for a rotating drum and cassette tape recording and reproducing apparatus'19924,985,788'Recording and reproducing apparatus'19914,899,235'Magnetic tape loading mechanism and method'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–2008Patents assigned to HITACHI LTD (5)· patent assignee history
1990–1994Patents assigned to HITACHI VIDEO ENG (4)· patent assignee history
1990Based in Katsuta, JP· patent location history
1991–2009Based in Yokohama, JP· patent location history
2005–2016Patents assigned to HITACHI LG DATA STORAGE INC (5)· patent assignee history
2008Based in Yokihama, JP· patent location history
2016Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LG DATA STORAGE INC52005–2016
HITACHI LTD51990–2008
HITACHI VIDEO ENG41990–1994
Locations
LocationPatentsSpan
Yokohama, JP61991–2009
Tokyo, JP12016
Yokihama, JP12008
Katsuta, JP11990