Inventor

Sadamu Matsuda

Inventor

Tokyo, JP

Overview

9→

Patents

1987–2006

Patent span

Physics

Primary field (CPC G)

Patents· 9 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 transducer22%

Y10TTechnical subjects covered by former us classification22%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1017%

G11CStatic stores11%

B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for6%

E21BEarth or rock drilling6%

F16FSprings6%

F16LPipes6%

H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation6%

PatentTitleYear

7,031,231'Disk holder pop-out preventing device'2006 6,961,948'Disk holding device'2005 5,364,059'Equipment support structure'1994 5,321,687'Compact disk selecting mechanism'1994 5,276,668'Compact disk selecting mechanism including mechanical and optical detection'1994 4,812,420'Method of producing a semiconductor device having a light transparent window'1989 4,798,769'Electrode supporting conduit tube for electrical heating of underground hydrocarbon resources'1989 4,769,344'Method of resin encapsulating a semiconductor device'1988 4,697,203'Semiconductor device and manufacturing method therefor'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–1989Patents assigned to MITSUBISHI ELECTRIC CORP (4)· patent assignee history

1987–1988Based in Hyogo, JP· patent location history

1989Based in Sakai, JP· patent location history

1989Based in Amagasaki, JP· patent location history

1994–2006Patents assigned to CLARION CO LTD (5)· patent assignee history

1994–2006Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
CLARION CO LTD	5	1994–2006
MITSUBISHI ELECTRIC CORP	4	1987–1989

Locations

Location	Patents	Span
Tokyo, JP	5	1994–2006
Hyogo, JP	2	1987–1988
Sakai, JP	1	1989
Amagasaki, JP	1	1989