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Inventor

Matayasu Kubo

Inventor
Kanagawa, JP

Overview

4→
Patents
1987–1997
Patent span
Physics
Primary field (CPC G)

Patents· 4 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 transducer57%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them43%
PatentTitleYear
5,677,752'Digital sound recording on motion picture film'19975,677,753'Digital sound recording on motion picture film'19975,617,158'Digital sound recording on motion picture film'19974,660,189'Optical disk player having reduced laser output during track changes'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–1997Patents assigned to SONY CORP (4)· patent assignee history
1987–1997Based in Kanagawa, JP· patent location history
1997Patents assigned to SONY CINEMA PRODUCTS CORP (2)· patent assignee history
1997Patents assigned to SONY CINEMA PRODUCTS INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SONY CORP41987–1997
SONY CINEMA PRODUCTS CORP21997
SONY CINEMA PRODUCTS INC11997
Locations
LocationPatentsSpan
Kanagawa, JP41987–1997