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Inventor

Kazutoshi Konno

Inventor
Tokyo, JP

Overview

9→
Patents
1981–1996
Patent span
Physics
Primary field (CPC G)

Patents· 9 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 transducer70%
H04NPictorial communication, e.g. television20%
H02KDynamo-electric machines10%
PatentTitleYear
5,548,411'Facsimile apparatus'19965,452,098'Facsimile apparatus'19955,084,786'Magnetic tape memory apparatus with axially displaced heads enabling after recording and verification'19924,924,329'Rotary drum apparatus for a magnetic recording and reproducing device'1990RE032876'Disc cassette (disc cartridge)'19894,613,920'Magnetic head for magnetic disk'19864,551,777'Tracking servo system for magnetic recording and reproducing apparatus using flexible magnetic disk'19854,550,354'Disc cassette (disc cartridge)'19854,303,210'Tape drive device'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–1996Patents assigned to HITACHI LTD (9)· patent assignee history
1981–1996Based in Tokyo, JP· patent location history
1985–1989Based in Yokosuka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD91981–1996
Locations
LocationPatentsSpan
Tokyo, JP51981–1996
Yokosuka, JP41985–1989