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Inventor

Takuji Sekiguchi

Inventor
Tokyo, JP

Overview

6→
Patents
1983–1995
Patent span
Physics
Primary field (CPC G)

Patents· 6 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 transducer67%
G06FElectric digital data processing11%
H02NElectric machines not otherwise provided for11%
H03KPulse technique11%
PatentTitleYear
5,463,506'Head drum apparatus'19955,373,404'Helical scan type rotary head drum unit'19945,270,890'Helical scan type rotary head apparatus'19935,206,771'Tape drive mechanism'19934,875,610'Method of and system for driving magnetic tape'19894,400,666'Fixed rate delay circuit'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983–1995Patents assigned to JAPAN BROADCASTING CORP (4)· patent assignee history
1983–1995Based in Machida, JP· patent location history
1989Patents assigned to FUJI PHOTO FILM CO LTD (1)· patent assignee history
1989–1994Based in Tokyo, JP· patent location history
1993Patents assigned to SANKYO SEIKI SEISAKUSHO KK (2)· patent assignee history
1994Patents assigned to KABUSHKI KAISHA SANKYO SEIKI S (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
JAPAN BROADCASTING CORP41983–1995
SANKYO SEIKI SEISAKUSHO KK21993
FUJI PHOTO FILM CO LTD11989
KABUSHKI KAISHA SANKYO SEIKI S11994
Locations
LocationPatentsSpan
Tokyo, JP41989–1994
Machida, JP21983–1995