Inventor
Tazumi Nagasawa
Inventor
Yokohama, JP
Overview
Patents· 26 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 transducer35%
H01FMagnets14%
H10NElectric solid-state devices not otherwise provided for12%
H03BGeneration of oscillations, directly or by frequency-changing, by circuits employing active elements which operate in a non-switching manner9%
G01RMeasuring electric variables8%
B82YSpecific uses or applications of nanostructures6%
G11CStatic stores5%
Y10TTechnical subjects covered by former us classification5%
H01LSemiconductor devices3%
H03LAutomatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses2%
PatentTitleYear
10,811,037Magnetic head with conductive layer configurations between magnetic pole and shield and magnetic recording and reproducing device202010,607,638Magnetic head and magnetic recording and reproducing device202010,522,172Oscillator and calculating device201910,504,544Magnetic head and magnetic recording and reproducing device201910,424,325Magnetic head with spin torque oscillator connection configuration201910,210,894Magnetic recording medium including multiple magnetic layers with multiple regions having aligned easy magnetization axes and magnetic recording and reproducing device201910,127,931Perpendicular magnetic recording and reproducing device201810,027,334Computing apparatus and computing method20189,984,723Magnetic recording and reproducing apparatus and magnetic recording and reproducing method20189,704,552'Multi-level magnetic recording apparatus utilizing cooperative magnetization dynamics induced by spin-torque oscillator'20179,437,218'Magnetic recording head and magnetic recording apparatus'20169,159,342'Magnetic recording apparatus'20159,070,389'Magnetic recording and reproducing apparatus'20159,001,466'Three-dimensional magnetic recording and reproducing apparatus including a plurality of magnetic layers having different resonant frequencies'20158,982,514'Magnetic oscillator'20158,947,170'Spin-torque oscillator'20158,896,973'Magnetic head with a spin torque oscillator, magnetic sensor, and magnetic recording/reproducing apparatus'20148,861,120'Magnetic medium and writing and reading method'20148,755,153'Reproducing head with spin-torque oscillator, and magnetic recording and reproducing apparatus'20148,737,122'Nonvolatile memory device'20148,724,261'High-frequency magnetic field generation element and magnetic head'20148,553,372'Magnetic oscillator'20138,207,806'Magnetic oscillation element'20128,194,361'Spin-torque oscillator, magnetic head including the spin-torque oscillator, and magnetic recording and reproducing apparatus'20128,174,798'Spin-torque oscillator, a magnetic sensor and a magnetic recording system'20127,940,485'Magnetic recording and reproducing apparatus having a magnetic read head with a spin-torque oscillator'2011Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2011–2020Patents assigned to TOSHIBA KK (26)· patent assignee history
2011–2020Based in Yokohama, JP· patent location history
2012–2015Patents assigned to NAGASAWA TAZUMI (12)· patent assignee history
2012–2015Patents assigned to KUDO KIWAMU (11)· patent assignee history
2012–2015Patents assigned to MIZUSHIMA KOICHI (11)· patent assignee history
2012–2015Patents assigned to SATO RIE (11)· patent assignee history
2012–2020Based in Kanagawa, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TOSHIBA KK | 26 | 2011–2020 |
| NAGASAWA TAZUMIself | 12 | 2012–2015 |
| KUDO KIWAMU | 11 | 2012–2015 |
| MIZUSHIMA KOICHI | 11 | 2012–2015 |
| SATO RIE | 11 | 2012–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yokohama, JP | 16 | 2011–2020 |
| Kanagawa, JP | 10 | 2012–2020 |