Inventor
TAZUMI NAGASAWA
Inventor
JP
Overview
Patents· 37 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 transducer79%
H10DInorganic electric semiconductor devices15%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form4%
G01RMeasuring electric variables2%
PatentTitleYear
12,573,420Magnetic head and magnetic recording device202612,462,834Magnetic head and magnetic recording device202512,437,779Magnetic head and magnetic recording device202512,424,242Magnetic head and magnetic recording device202512,387,748Magnetic head with multilayer configuration between magnetic poles and magnetic recording device202512,300,279Magnetic head and magnetic recording device202512,249,359Magnetic sensor, magnetic head, and magnetic recording device202512,190,917Magnetic head with multilayer configuration between magnetic poles and magnetic recording device202512,170,101Magnetic head with multilayer configuration between magnetic poles and magnetic recording device202412,165,677Magnetic head with stacked body configurations and magnetic recording device including the same202412,165,676Magnetic head and magnetic recording device202412,165,678Magnetic head having multiple shields and magnetic recording device202412,148,453Magnetic head with conductive non-magnetic layer contact configurations202412,142,306Magnetic sensor, magnetic head, and magnetic recording device202412,080,325Magnetic head and magnetic recording device202412,033,676Magnetic head and magnetic recording device202411,881,234Magnetic head and magnetic recording device202411,869,540Magnetic head and magnetic recording device202411,810,601Magnetic head including multiple magnetic layers and magnetic recording device202311,721,359Magnetic head and magnetic recording device202311,710,501Magnetic head and magnetic recording device202311,705,152Magnetic head and magnetic recording device including a stacked body having a first magnetic member and a second magnetic member202311,631,423Magnetic recording device202311,615,808Magnetic head and magnetic recording device202311,568,890Magnetic recording device and magnetic recording method utilizing assisted magnetic recording202311,521,644Magnetic head and magnetic recording device202211,495,250Magnetic recording device including a magnetic head including a stacked body between magnetic poles202211,488,623Evaluation method of magnetic head and evaluation device of magnetic head202211,462,239Magnetic head and magnetic recording device having magnetic layers and nonmagnetic layers between shield and magnetic pole202211,443,762Magnetic head and magnetic recording device including a stacked body having a first magnetic member and a second magnetic member202211,437,059Magnetic head and magnetic recording device with stacked body material configurations202211,398,244Magnetic head with stacked body having non-magnetic layers and differing length magnetic layers202211,393,493Magnetic head and magnetic recording device202211,380,352Magnetic head including stacked body with changing electrical resistance and magnetic recording device including same202211,348,606Magnetic head for high density magnetic recording device202211,217,272Magnetic head including stacked body having plural of intermediate layers and magnetic recording device including same202211,138,994Magnetic head and magnetic recording device having magnetic layers and non-magnetic layers between shield and magnetic pole2021Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2021–2026Patents assigned to TOSHIBA KK (37)· patent assignee history
2021–2025Patents assigned to TOSHIBA ELECTRONIC DEVICES & STORAGE CORP (31)· patent assignee history
2021–2026Based in JP· patent location history
2024Patents assigned to KABSHIKI KAISHA TOSHIBA (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TOSHIBA KK | 37 | 2021–2026 |
| TOSHIBA ELECTRONIC DEVICES & STORAGE CORP | 31 | 2021–2025 |
| KABSHIKI KAISHA TOSHIBA | 1 | 2024 |
Locations
| Location | Patents | Span |
|---|---|---|
| JP | 37 | 2021–2026 |