Inventor
Keiichiro Yusu
Inventor
Yokohama, JP
Overview
Patents· 34 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 transducer36%
Y10TTechnical subjects covered by former us classification21%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%
B82YSpecific uses or applications of nanostructures8%
H01FMagnets7%
H10NElectric solid-state devices not otherwise provided for6%
G03GElectrography3%
C23CCoating metallic material2%
G01RMeasuring electric variables2%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light1%
PatentTitleYear
8,989,525'Light deflecting element'20158,077,586'Optical recording head device, optical recording apparatus, and recording method'20117,858,166'Phase change recording medium'20107,767,285'Phase-change optical recording medium'20107,736,715'Optical recording medium, and information recording/playback apparatus and method using the medium'20107,643,397'Phase-change optical recording media and optical recording-reproducing apparatus'20107,542,404'Optical recording media'20097,510,753'Phase-change optical recording media'20097,455,951'Information recording medium and its manufacturing method'20087,357,969'Phase-change optical recording medium'20087,335,459'Phase-change optical recording medium'20087,294,382'Phase-change optical recording medium'20077,291,375'Phase-change optical recording medium'20077,245,576'Optical recording medium and optical recording-reproducing method'20077,214,416'Phase-change optical recording medium'20077,132,147'Phase-change optical recording medium'20067,110,348'Optical information recording medium'20067,011,876'Optical recording medium'20066,944,116'Optical information recording medium'20056,842,419'Optical information recording medium and optical disk drive'20056,805,935'Optical recording medium'20046,554,972'Information recording medium and its manufacturing method'20036,296,915'Optical recording medium'20016,240,060'Phase change optical recording medium'20016,174,597'Magnetic recording apparatus'20016,114,056'Magnetic element, and magnetic head and magnetic memory device using thereof'20005,997,978'Phase change optical recording medium and optical recording method'19995,981,054'Magnetic recording medium and method for manufacturing the same'19995,889,756'Phase change optical recording medium'19995,773,156'Magnetoresistance effect element'19985,723,978'Photo-inducible magnetic exchange coupling device'19985,616,370'Artificial multilayer and method of manufacturing the same'19975,585,196'Magnetoresistance effect element'19965,534,355'Artificial multilayer and method of manufacturing the same'1996Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1996–2015Patents assigned to TOSHIBA KK (34)· patent assignee history
1996–2011Based in Yokohama, JP· patent location history
1996–2001Based in Kawasaki, JP· patent location history
1998–2015Based in Kanagawa, JP· patent location history
2011–2015Patents assigned to YUSU KEIICHIRO (2)· patent assignee history
2011Patents assigned to KAJI NOBUAKI (1)· patent assignee history
2015Patents assigned to KAMIGUCHI YUUZO (1)· patent assignee history
2015Patents assigned to KANAMARU MASAHIRO (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TOSHIBA KK | 34 | 1996–2015 |
| YUSU KEIICHIROself | 2 | 2011–2015 |
| KAJI NOBUAKI | 1 | 2011 |
| KAMIGUCHI YUUZO | 1 | 2015 |
| KANAMARU MASAHIRO | 1 | 2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yokohama, JP | 23 | 1996–2011 |
| Kawasaki, JP | 6 | 1996–2001 |
| Kanagawa, JP | 5 | 1998–2015 |