Akihiro Nakajima

Follow

Person

Katsuta, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Rotary magnetic head cylinder device for reduced vibration and prop...
- Patent number 5,661,622
- Issue date Aug 26, 1997
- Hitachi, Ltd.
- Masanori Kochi
- G11 - INFORMATION STORAGE
Information Patent Grant
Rotary drum apparatus for a magnetic recording and reproducing device
- Patent number 4,924,329
- Issue date May 8, 1990
- Hitachi, Ltd.
- Kenmei Masuda
- G11 - INFORMATION STORAGE