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Inventor

Kaoru Takemasa

Inventor
Saitama, JP

Overview

13→
Patents
1985–2002
Patent span
Physics
Primary field (CPC G)

Patents· 13 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 transducer87%
F16FSprings7%
Y10TTechnical subjects covered by former us classification7%
PatentTitleYear
6,388,973'Cartridge transporting apparatus'20026,373,795'Apparatus for reproducing an optical disc'20026,185,164'Disk reproducing apparatus'20015,986,981'Disk reproducing apparatus housing a plurality of disks'19995,982,720'Disk reproducing apparatus'19995,208,791'System for recovering a CD in a CD player having a magazine containing a plurality of disks'19935,164,929'Stopper for trays in a magazine of a CD player'19925,145,039'Damper filled with oil'19925,136,563'Magazine holder in a CD player'19925,077,717'System for detecting a CD on a tray in a compact disk player having a magazine containing a plurality of disks'19915,014,258'Disc player having means for preventing disc magazine from being inserted upsidedown'19914,672,477'Cassette tape deck'19874,499,783'Tape recording machine'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985–2002Patents assigned to PIONEER ELECTRONIC CORP (10)· patent assignee history
1985–2002Based in Saitama, JP· patent location history
1991–2001Based in Kawagoe, JP· patent location history
1999–2001Patents assigned to PIONEER ELECTRIC CORP (2)· patent assignee history
2002Patents assigned to PIONEER CORP (1)· patent assignee history
2002Patents assigned to PIONEER ELECTRONIC TOHOKU (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
PIONEER ELECTRONIC CORP101985–2002
PIONEER ELECTRIC CORP21999–2001
PIONEER CORP12002
PIONEER ELECTRONIC TOHOKU12002
Locations
LocationPatentsSpan
Saitama, JP91985–2002
Kawagoe, JP41991–2001