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Inventor

Sumio Sekigawa

Inventor
Osaka, JP

Overview

2→
Patents
1993–2015
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%
H04NPictorial communication, e.g. television50%
PatentTitleYear
9,159,355'DVD-RAM header or land/groove detection'20155,260,803'Facsimile device'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993Patents assigned to FUNAI ELECTRIC CO (1)· patent assignee history
1993Based in Daito, JP· patent location history
2015Patents assigned to DEKKER ANTOON (1)· patent assignee history
2015Patents assigned to MARVELL INT LTD (1)· patent assignee history
2015Patents assigned to OBERG MATS (1)· patent assignee history
2015Patents assigned to PANDANA CHARLES (1)· patent assignee history
2015Based in Osaka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DEKKER ANTOON12015
FUNAI ELECTRIC CO11993
MARVELL INT LTD12015
OBERG MATS12015
PANDANA CHARLES12015
Locations
LocationPatentsSpan
Osaka, JP12015
Daito, JP11993