Motoharu Sato

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Patents Grantslast 30 patents

Information Patent Grant
Manufacturing method of magnetic disk
- Patent number 5,374,450
- Issue date Dec 20, 1994
- Kabushiki Kaisha Kobe Seiko Sho
- Motoharu Sato
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Amorphous carbon substrate for a magnetic disk and a method of manu...
- Patent number 5,326,607
- Issue date Jul 5, 1994
- Kabushiki Kaisha Kobe Seiko Sho
- Kazuo Muramatsu
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Manufacture of carbon substrate for magnetic disk
- Patent number 5,322,595
- Issue date Jun 21, 1994
- Kabushiki Kaisha Kobe Seiko Sho
- Motoharu Sato
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of manufacturing a magnetic recording medium
- Patent number 5,252,367
- Issue date Oct 12, 1993
- Kabushiki Kaisha Kobe Seiko Sho
- Motoharu Sato
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium comprising a chromium underlayer deposite...
- Patent number 5,122,423
- Issue date Jun 16, 1992
- Kabushiki Kaisha Kobe Seiko Sho
- Takashi Hase
- G11 - INFORMATION STORAGE