Ichiroh Koyanagi

Person

Yokohama-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Disk clamp for disk recording apparatus and disk recording apparatus
- Patent number 6,785,090
- Issue date Aug 31, 2004
- Hitachi Global Storage Technologies Netherlands B.V.
- Ichiroh Koyanagi
- G11 - INFORMATION STORAGE
Information Patent Grant
Ramp for use in information recording disk apparatus, and informati...
- Patent number 6,690,548
- Issue date Feb 10, 2004
- International Business Machines Corporation
- Ichiroh Koyanagi
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive apparatus, hard disk drive, filter, and method for inspe...
- Patent number 6,519,111
- Issue date Feb 11, 2003
- International Business Machines Corporation
- Yoshihiro Hirasaka
- G11 - INFORMATION STORAGE
Information Patent Grant
Ramp for information recording disk apparatus
- Patent number 6,487,051
- Issue date Nov 26, 2002
- International Business Machines Corporation
- Ichiroh Koyanagi
- G11 - INFORMATION STORAGE
Information Patent Grant
Ramp for use with a data storage device and a data storage device
- Patent number 6,078,474
- Issue date Jun 20, 2000
- International Business Machines Corporation
- Ichiroh Koyanagi
- G11 - INFORMATION STORAGE
Information Patent Grant
Flexible cable structure for magnetic disk drives
- Patent number 5,760,997
- Issue date Jun 2, 1998
- International Business Machines Corporation
- Ichiroh Koyanagi
- G11 - INFORMATION STORAGE
Information Patent Grant
Shock-resistant structure for magnetic disk drive
- Patent number 5,640,290
- Issue date Jun 17, 1997
- International Business Machines Corporation
- Vijayeshwar Khanna
- G11 - INFORMATION STORAGE
Information Patent Grant
Shockproof and portable disk storage apparatus having shock absorbe...
- Patent number 5,491,608
- Issue date Feb 13, 1996
- International Business Machines Corporation
- Ichiroh Koyanagi
- G11 - INFORMATION STORAGE
Information Patent Grant
Portable disk storage apparatus using flexible cable for shock abso...
- Patent number 5,402,308
- Issue date Mar 28, 1995
- International Business Machines Corporation
- Ichiroh Koyanagi
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Disk clamp for disk recording apparatus and disk recording apparatus
- Publication number 20020071205
- Publication date Jun 13, 2002
- International Business Machines Corporation
- Ichiroh Koyanagi
- G11 - INFORMATION STORAGE
Information Patent Application
Disk drive apparatus, hard disk drive, filter, and method for inspe...
- Publication number 20020063990
- Publication date May 30, 2002
- International Business Machines Corporation
- Yoshihiro Hirasaka
- G11 - INFORMATION STORAGE
Information Patent Application
Ramp for use in information recording disk apparatus, and informati...
- Publication number 20020044386
- Publication date Apr 18, 2002
- International Business Machines Corporation
- Ichiroh Koyanagi
- G11 - INFORMATION STORAGE

Ichiroh Koyanagi

Person

Patents Grantslast 30 patents

Disk clamp for disk recording apparatus and disk recording apparatus

Ramp for use in information recording disk apparatus, and informati...

Disk drive apparatus, hard disk drive, filter, and method for inspe...

Ramp for information recording disk apparatus

Ramp for use with a data storage device and a data storage device

Flexible cable structure for magnetic disk drives

Shock-resistant structure for magnetic disk drive

Shockproof and portable disk storage apparatus having shock absorbe...

Portable disk storage apparatus using flexible cable for shock abso...

Patents Applicationslast 30 patents

Disk clamp for disk recording apparatus and disk recording apparatus

Disk drive apparatus, hard disk drive, filter, and method for inspe...

Ramp for use in information recording disk apparatus, and informati...