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Inventor

Wataru Katsuhara

Inventor
Hachioji, JP

Overview

3→
Patents
1990–1997
Patent span
Physics
Primary field (CPC G)

Patents· 3 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
5,606,544'Optical information recording and regenerating apparatus which regulates the amplitude of a regenerated signal'19975,463,606'Optical information reading and reproducing apparatus using pseudo DC-free codes'19954,899,325'Fine access method and circuit for an optical disk drive using a multi-track jump'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990Patents assigned to FUJITSU LTD (1)· patent assignee history
1990Based in Atsugi, JP· patent location history
1995–1997Patents assigned to OLYMPUS OPTICAL CO (2)· patent assignee history
1995Based in Tokyo, JP· patent location history
1997Based in Hachioji, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
OLYMPUS OPTICAL CO21995–1997
FUJITSU LTD11990
Locations
LocationPatentsSpan
Hachioji, JP11997
Tokyo, JP11995
Atsugi, JP11990