Hiroshi Ishihama

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Shimotsuma, JP

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Patents Grantslast 30 patents

Information Patent Grant
Stamper for producing recording medium
- Patent number 5,756,130
- Issue date May 26, 1998
- Hitaci Maxell, Ltd.
- Nobuhiro Umebayashi
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Floppy disk unit with liner of fibers containing inorganic oxide po...
- Patent number 5,216,566
- Issue date Jun 1, 1993
- Hitachi Maxell, Ltd.
- Hiroshi Obara
- G11 - INFORMATION STORAGE