Inventor

Akihiro Sakaguchi

Inventor

Osaka, JP

Overview

1990–2010

Patent span

Physics

Primary field (CPC G)

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 transducer56%

A63BApparatus for physical training, gymnastics, swimming, climbing, or fencing11%

B29DProducing particular articles from plastics or from substances in a plastic state11%

B29LIndexing scheme associated with subclass b29c, relating to particular articles11%

H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light11%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1990Patents assigned to BRIDGESTONE CORP (1)· patent assignee history

1990Based in Kanagawa, JP· patent location history

1999–2002Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (2)· patent assignee history

1999–2000Based in Kawachinagano, JP· patent location history

2000Patents assigned to MATUSHITA ELECTRIC IND CO LTD (1)· patent assignee history

2002–2010Based in Osaka, JP· patent location history

2010Patents assigned to PANASONIC CORP (2)· patent assignee history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD	2	1999–2002
PANASONIC CORP	2	2010
BRIDGESTONE CORP	1	1990
MATUSHITA ELECTRIC IND CO LTD	1	2000

Locations