Noboru Isoe

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Patents Grantslast 30 patents

Information Patent Grant
Lubricant
- Patent number 5,498,359
- Issue date Mar 12, 1996
- Hitachi Maxell, Ltd.
- Sayaka Shinomoto
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Magnetic recording medium and method for producing the same
- Patent number 5,073,449
- Issue date Dec 17, 1991
- Hitachi Maxell Ltd.
- Hideaki Niimi
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of making a magnetic recording medium
- Patent number 5,000,984
- Issue date Mar 19, 1991
- Hitachi Maxell, Ltd.
- Kunio Wakai
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Arrangement for preventing entrance of harmful particles for use in...
- Patent number 4,933,797
- Issue date Jun 12, 1990
- Hitachi Maxell Ltd.
- Hikaru Mizutani
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium and production thereof
- Patent number 4,855,175
- Issue date Aug 8, 1989
- Hitachi Maxell, Ltd.
- Kunio Wakai
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Magnetic recording medium
- Patent number 4,826,739
- Issue date May 2, 1989
- Hitachi Maxell, Ltd.
- Noboru Isoe
- G11 - INFORMATION STORAGE