Kuniaki Hirayama

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Katsuta, JP

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Patents Grantslast 30 patents

Information Patent Grant
Magnetic recording and/or reproducing apparatus
- Patent number 6,195,499
- Issue date Feb 27, 2001
- Hitachi, Ltd.
- Nobutaka Amada
- G11 - INFORMATION STORAGE
Information Patent Grant
Rotary drum equipment and recording/reproducing equipment using the...
- Patent number 6,108,165
- Issue date Aug 22, 2000
- Hitachi, Ltd.
- Hideki Maruyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Rotary head and recording/reading apparatus provided with rotary head
- Patent number 5,978,185
- Issue date Nov 2, 1999
- Hitachi Ltd.
- Fukuyasu Abe
- G11 - INFORMATION STORAGE
Information Patent Grant
Tape guide structure of rotary head drum in recording/reproduction...
- Patent number 5,734,537
- Issue date Mar 31, 1998
- Hitachi, Ltd.
- Seiji Ono
- G11 - INFORMATION STORAGE
Information Patent Grant
Rotary magnetic head cylinder device for reduced vibration and prop...
- Patent number 5,661,622
- Issue date Aug 26, 1997
- Hitachi, Ltd.
- Masanori Kochi
- G11 - INFORMATION STORAGE
Information Patent Grant
Brushless motor
- Patent number 5,637,945
- Issue date Jun 10, 1997
- Hitachi, Ltd.
- Kiyoshi Yamamuro
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and apparatus for mounting coils inside a hollow cylindrical...
- Patent number 4,882,833
- Issue date Nov 28, 1989
- Hitachi, Ltd.
- Hiromichi Hiramatsu
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Rotary magnetic head drum apparatus
- Publication number 20050168875
- Publication date Aug 4, 2005
- Hitachi, Ltd
- Shinji Okada
- G11 - INFORMATION STORAGE