Nobuo Nakagawa

Person

Yokohama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Plasma processing method and apparatus
- Patent number 5,651,867
- Issue date Jul 29, 1997
- Hitachi, Ltd.
- Yuichi Kokaku
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Magnetic disc substrate
- Patent number 5,494,721
- Issue date Feb 27, 1996
- Hitachi, Ltd.
- Nobuo Nakagawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk with surface protective layer having convex portions...
- Patent number 5,285,343
- Issue date Feb 8, 1994
- Hitachi, Ltd.
- Hideaki Tanaka
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Magnetic disc comprising a substrate of an amorphous glass continuo...
- Patent number 5,093,173
- Issue date Mar 3, 1992
- Hitachi, Ltd.
- Nobuo Nakagawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium having an amorphous, nonmagnetic nickel-t...
- Patent number 4,735,853
- Issue date Apr 5, 1988
- Hitachi, Ltd.
- Hiroaki Okudaira
- G11 - INFORMATION STORAGE
Information Patent Grant
Film forming method
- Patent number 4,444,635
- Issue date Apr 24, 1984
- Hitachi, Ltd.
- Shigeru Kobayashi
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Base plate for magnetic recording disc
- Patent number 4,430,387
- Issue date Feb 7, 1984
- Hitachi, Ltd.
- Nobuo Nakagawa
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Electroless copper plating solution
- Patent number 4,303,443
- Issue date Dec 1, 1981
- Hitachi, Ltd.
- Osamu Miyazawa
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Nobuo Nakagawa

Person

Patents Grantslast 30 patents

Plasma processing method and apparatus

Magnetic disc substrate

Magnetic disk with surface protective layer having convex portions...

Magnetic disc comprising a substrate of an amorphous glass continuo...

Magnetic recording medium having an amorphous, nonmagnetic nickel-t...

Film forming method

Base plate for magnetic recording disc

Electroless copper plating solution