Inventor
Tsuyoshi Tsujioka
Inventor
Osaka, JP
Overview
Patents· 13 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 transducer26%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests19%
H10KOrganic electric solid-state devices15%
Y10TTechnical subjects covered by former us classification11%
B82YSpecific uses or applications of nanostructures7%
C09KMaterials for miscellaneous applications, not provided for elsewhere7%
G11CStatic stores7%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light4%
H05BElectric heating4%
PatentTitleYear
7,598,666'Organic electroluminescent device and luminescent material'20097,479,734'Display including emission layer'20097,151,340'Display device with reduced deterioration of emission layer'20066,885,053'Nonvolatile memory and erasing method'20056,847,541'Information storage device, and information storage method and information regeneration method employing the information storage device'20056,387,546'Organic electroluminescent device'20025,889,751'Method for optically controlling an optical device and an optical control device utilizing the method'19995,604,002'Optical recording medium and reproducing method therefor'19975,592,461'Methods of recording and reproducing information using an optical recording medium'19975,410,531'Noise reduction in a multiplex recorded optical information system'19955,398,223'Reproducing method and reproducing apparatus for optical recording medium'19955,316,900'Optical recording medium having a constant birefringent property and an alterable photochromic property'19945,272,689'Optical head system with transparent contact member'1993Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1993–2009Patents assigned to SANYO ELECTRIC CO (11)· patent assignee history
1993–2009Based in Osaka, JP· patent location history
1994Patents assigned to MASAHIRO IRIE (1)· patent assignee history
1995–1999Patents assigned to IRIE MASAHIRO (3)· patent assignee history
2005Patents assigned to MITSUBISHI CHEM CORP (1)· patent assignee history
2005Patents assigned to NAT UNIVERSITY CORP OSAKA KYOI (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SANYO ELECTRIC CO | 11 | 1993–2009 |
| IRIE MASAHIRO | 3 | 1995–1999 |
| MASAHIRO IRIE | 1 | 1994 |
| MITSUBISHI CHEM CORP | 1 | 2005 |
| NAT UNIVERSITY CORP OSAKA KYOI | 1 | 2005 |
Locations
| Location | Patents | Span |
|---|---|---|
| Osaka, JP | 13 | 1993–2009 |