Inventor

Yasumasa Shibata

Inventor

Osaka, JP

Overview

7→

Patents

1991–2012

Patent span

Performing operations

Primary field (CPC B)

Patents· 7 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 transducer21%

Y10TTechnical subjects covered by former us classification17%

B29CShaping or joining of plastics13%

B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts13%

B29LIndexing scheme associated with subclass b29c, relating to particular articles8%

G02BOptical elements, systems or apparatus4%

H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy4%

H01QAntennas, i.e. radio aerials4%

H05KPrinted circuits4%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution4%

PatentTitleYear

8,134,839'Junction structure of substrate and joining method thereof'2012 8,068,388'Optical pick up and optical disc device having optical shield for suppressing the influence of stray light through hologram element'2011 7,691,314'Method of injection compression molding'2010 5,905,255'Objective lens driver'1999 5,416,640'Objective actuator'1995 5,156,860'Apparatus for manufacturing an optical disk substrate by injection molding'1992 5,059,461'Optical disk substrate, optical information-storage medium, and process and apparatus for manufacturing the optical disk substrate'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–1992Patents assigned to IDEMITSU PETROCHEMICAL CO (2)· patent assignee history

1991–1992Based in Chiba, JP· patent location history

1995–1999Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (2)· patent assignee history

1995–1999Based in Hirakata, JP· patent location history

2010Based in Ichihara, JP· patent location history

2011–2012Patents assigned to PANASONIC CORP (2)· patent assignee history

2011–2012Patents assigned to SHIBATA YASUMASA (2)· patent assignee history

2011–2012Patents assigned to UEDA YASUO (2)· patent assignee history

2011–2012Based in Osaka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
IDEMITSU PETROCHEMICAL CO	2	1991–1992
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD	2	1995–1999
PANASONIC CORP	2	2011–2012
SHIBATA YASUMASAself	2	2011–2012
UEDA YASUO	2	2011–2012

Locations

Location	Patents	Span
Osaka, JP	2	2011–2012
Hirakata, JP	2	1995–1999
Chiba, JP	2	1991–1992
Ichihara, JP	1	2010