LexDanaLexDanabeta
Inventor

Masao Itabashi

Inventor
Kanagawa, JP

Overview

3→
Patents
1989–1996
Patent span
General tagging of new technological developments
Primary field (CPC Y)

Patents· 3 as inventor

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

Y10Sprimary
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests38%
H10DInorganic electric semiconductor devices25%
G11BInformation storage based on relative movement between record carrier and transducer13%
H01FMagnets13%
Y10TTechnical subjects covered by former us classification13%
PatentTitleYear
5,589,283'Soft magnetic thin film'19964,937,204'Method of making a superlattice heterojunction bipolar device'19904,835,579'Semiconductor apparatus'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–1996Patents assigned to SONY CORP (3)· patent assignee history
1989–1996Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SONY CORP31989–1996
Locations
LocationPatentsSpan
Kanagawa, JP31989–1996