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Inventor

Youichi Narui

Inventor
Katsuta, JP

Overview

7→
Patents
1992–2012
Patent span
Performing operations
Primary field (CPC B)

Patents· 7 as inventor

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

B41Jprimary
B41JTypewriters43%
G11BInformation storage based on relative movement between record carrier and transducer29%
H04NPictorial communication, e.g. television29%
PatentTitleYear
8,332,881'Optical disc apparatus with support part configured to reduce vibrations'20127,640,558'Optical disc drive'20095,548,411'Facsimile apparatus'19965,452,098'Facsimile apparatus'19955,168,287'Platen locking mechanism for thermal transfer recording apparatus'19925,092,698'Platen roller apparatus'19925,079,565'Thermal transfer printing apparatus and ink paper cassette'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–2012Patents assigned to HITACHI LTD (7)· patent assignee history
1992–1996Based in Katsuta, JP· patent location history
2009–2012Patents assigned to HITACHI LG DATA STORAGE INC (2)· patent assignee history
2009–2012Based in Matsudo, JP· patent location history
2012Patents assigned to KATOU SEIICHI (1)· patent assignee history
2012Patents assigned to NARUI YOUICHI (1)· patent assignee history
2012Patents assigned to NISHIDA IKUO (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD71992–2012
HITACHI LG DATA STORAGE INC22009–2012
KATOU SEIICHI12012
NARUI YOUICHIself12012
NISHIDA IKUO12012
Locations
LocationPatentsSpan
Katsuta, JP51992–1996
Matsudo, JP22009–2012