Masanori Arayashiki

Follow

Person

Hadano, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Magnetic disk medium with circumferentially textured surfaces and v...
- Patent number 4,939,614
- Issue date Jul 3, 1990
- Hitachi, Ltd.
- Takaaki Shirakura
- G11 - INFORMATION STORAGE