LexDanaLexDanabeta
Inventor

Kazuhiko Watanuki

Inventor
Nagaoka, JP

Overview

2→
Patents
1990–1991
Patent span
Physics
Primary field (CPC G)

Patents· 2 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%
C04BLime, magnesia25%
Y10TTechnical subjects covered by former us classification25%
PatentTitleYear
5,037,593'Method for fabricating core slider for a magnetic head'19914,951,381'Method of manufacturing a magnetic head slider'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–1991Patents assigned to ALPS ELECTRIC CO LTD (2)· patent assignee history
1990–1991Based in Nagaoka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ALPS ELECTRIC CO LTD21990–1991
Locations
LocationPatentsSpan
Nagaoka, JP21990–1991