LexDanaLexDanabeta
Inventor

Nobuyuki Maeda

Inventor
Yokohama, JP

Overview

7→
Patents
1993–2011
Patent span
Physics
Primary field (CPC G)

Patents· 7 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 transducer31%
B41MPrinting, duplicating, marking, or copying processes23%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests23%
Y10TTechnical subjects covered by former us classification15%
G06KGraphical data reading8%
PatentTitleYear
8,072,850'Optical information recording apparatus'20117,480,216'Optical information recording apparatus'20097,307,927'Optical disk apparatus and method for recording and reproducing an optical disk'20076,608,802'Disk drive apparatus having improved power consumption'20035,362,548'Thermal image transfer recording medium'19945,250,346'Thermal image transfer recording medium'19935,229,189'Thermal image transfer recording medium'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–1994Patents assigned to RICOH KK (3)· patent assignee history
1993–1994Based in Susono, JP· patent location history
2003–2011Patents assigned to HITACHI MEDIA ELECTRON KK (3)· patent assignee history
2003–2007Patents assigned to HITACHI LTD (2)· patent assignee history
2003–2011Based in Yokohama, JP· patent location history
2011Patents assigned to ISSHIKI FUMIO (1)· patent assignee history
2011Patents assigned to KUROKAWA TAKAHIRO (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI MEDIA ELECTRON KK32003–2011
RICOH KK31993–1994
HITACHI LTD22003–2007
ISSHIKI FUMIO12011
KUROKAWA TAKAHIRO12011
Locations
LocationPatentsSpan
Yokohama, JP42003–2011
Susono, JP31993–1994