Isamu Toba

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Thin-film magnetic recording head with thin film which constructs s...
- Patent number 8,654,479
- Issue date Feb 18, 2014
- TDK Corporation
- Masashi Sano
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head slider including protective film for head-to-medium s...
- Patent number 8,373,947
- Issue date Feb 12, 2013
- TDK Corporation
- Tatsuhiro Nojima
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head for perpendicular magnetic recording and method of ma...
- Patent number 8,072,706
- Issue date Dec 6, 2011
- TDK Corporation
- Kei Hirata
- G11 - INFORMATION STORAGE
Information Patent Grant
Testing method of wafer with thin-film magnetic heads and manufactu...
- Patent number 8,072,231
- Issue date Dec 6, 2011
- TDK Corporation
- Isamu Toba
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
THIN-FILM MAGNETIC RECORDING HEAD WITH THIN FILM WHICH CONSTRUCTS S...
- Publication number 20140002921
- Publication date Jan 2, 2014
- TDK Corporation
- Masashi SANO
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic head for perpendicular magnetic recording and method of ma...
- Publication number 20110090595
- Publication date Apr 21, 2011
- TDK Corporation
- Kei Hirata
- G11 - INFORMATION STORAGE
Information Patent Application
TESTING METHOD OF WAFER WITH THIN-FILM MAGNETIC HEADS AND MANUFACTU...
- Publication number 20100302662
- Publication date Dec 2, 2010
- TDK Corporation
- Isamu TOBA
- G11 - INFORMATION STORAGE