Inventor

Fumio Sakamoto

Inventor

Toyota, JP

Overview

1986–2007

Patent span

Performing operations

Primary field (CPC B)

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B23Qprimary

B23QDetails, components, or accessories for machine tools, e.g. arrangements for copying or controlling25%

Y10TTechnical subjects covered by former us classification13%

B23CMilling6%

B25BTools or bench devices not otherwise provided for, for fastening, connecting, disengaging, or holding6%

B41MPrinting, duplicating, marking, or copying processes6%

B44CProducing decorative effects6%

B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors6%

G02BOptical elements, systems or apparatus6%

G09BEducational or demonstration appliances6%

G11BInformation storage based on relative movement between record carrier and transducer6%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1986–2001Patents assigned to TOYODA MACHINE WORKS LTD (4)· patent assignee history

1986–1994Patents assigned to MITSUBISHI ELECTRIC CORP (2)· patent assignee history

1986–1988Based in Kariya, JP· patent location history

1990Patents assigned to ALPS ELECTRIC CO LTD (2)· patent assignee history

1990Based in Furukawa, JP· patent location history

1994–1996Patents assigned to TEAC CORP (2)· patent assignee history

1994–2001Based in Toyota, JP· patent location history

1994–1996Based in Machida, JP· patent location history

2007Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (1)· patent assignee history

2007Based in Osaka, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
TOYODA MACHINE WORKS LTD	4	1986–2001
ALPS ELECTRIC CO LTD	2	1990
MITSUBISHI ELECTRIC CORP	2	1986–1994
TEAC CORP	2	1994–1996
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD	1	2007

Locations