Masao Tsunekawa

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Kawasaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Disk drive having a thickness equal to an IC memory card
- Patent number 5,880,904
- Issue date Mar 9, 1999
- Fujitsu Limited
- Yoshifumi Mizoshita
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus and method of detecting head position error in magnetic d...
- Patent number 5,815,338
- Issue date Sep 29, 1998
- Fujitsu Limited
- Masao Tsunekawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Data storage apparatus having servo control system
- Patent number 5,659,437
- Issue date Aug 19, 1997
- Fujitsu Limited
- Masao Tsunekawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus having source power control unit responsive to voltage fl...
- Patent number 5,638,307
- Issue date Jun 10, 1997
- Fujitsu Limited
- Mitsuo Kamimura
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Sensitivity correcting circuit of servo signal detection on data su...
- Patent number 5,426,544
- Issue date Jun 20, 1995
- Fujitsu Limited
- Teruyuki Narita
- G11 - INFORMATION STORAGE
Information Patent Grant
Sensitivity correcting circuit of servo signal detection on data su...
- Patent number 5,347,410
- Issue date Sep 13, 1994
- Fujitsu Limited
- Teruyuki Narita
- G11 - INFORMATION STORAGE