Masaki Ikegami

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Niigata-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Thin-film magnetic head appropriately suppressing side fringing and...
- Patent number 7,167,340
- Issue date Jan 23, 2007
- Alps Electric Co., Ltd.
- Kiyoshi Sato
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin-film magnetic head appropriately suppressing side fringing and...
- Patent number 7,158,345
- Issue date Jan 2, 2007
- Alps Electric Co., Ltd.
- Kiyoshi Sato
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin-film magnetic head having a high recording density and frequency
- Patent number 7,088,549
- Issue date Aug 8, 2006
- Alps Electric Co., Ltd.
- Hisayuki Yazawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin film magnetic head causing appropriately suppressed side fring...
- Patent number 6,768,611
- Issue date Jul 27, 2004
- Alps Electric Co., Ltd.
- Kiyoshi Sato
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin-film magnetic head reliably producing fringing flux at gap lay...
- Patent number 6,751,053
- Issue date Jun 15, 2004
- Alps Electric Co., Ltd.
- Toshinori Watanabe
- G11 - INFORMATION STORAGE
Information Patent Grant
Exposure mask and exposure method using the same
- Patent number 6,638,670
- Issue date Oct 28, 2003
- Alps Electric Co., Ltd.
- Toshihiko Sato
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Thin-film magnetic head appropriately suppressing side fringing and...
- Publication number 20050168870
- Publication date Aug 4, 2005
- Alps Electric Co., Ltd.
- Kiyoshi Sato
- G11 - INFORMATION STORAGE
Information Patent Application
Thin-film magnetic head appropriately suppressing side fringing and...
- Publication number 20040095676
- Publication date May 20, 2004
- Kiyoshi Sato
- G11 - INFORMATION STORAGE
Information Patent Application
Thin-film magnetic head reliably producing fringing flux at gap lay...
- Publication number 20020071209
- Publication date Jun 13, 2002
- Toshinori Watanabe
- G11 - INFORMATION STORAGE