Inventor

Ichiroh Koyanagi

Inventor

Yokohama, JP

Overview

1995–2004

Patent span

Physics

Primary field (CPC G)

Patents· 10 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G11Bprimary

G11BInformation storage based on relative movement between record carrier and transducer82%

H01RElectrically-conductive connections9%

H05KPrinted circuits9%

PatentTitleYear

6,785,090'Disk clamp for disk recording apparatus and disk recording apparatus'2004 6,690,548'Ramp for use in information recording disk apparatus, and information recording disk apparatus'2004 6,519,111'Disk drive apparatus, hard disk drive, filter, and method for inspecting disk drive apparatus'2003 6,487,051'Ramp for information recording disk apparatus'2002 6,078,474'Ramp for use with a data storage device and a data storage device'2000 5,760,997'Flexible cable structure for magnetic disk drives'1998 5,640,290'Shock-resistant structure for magnetic disk drive'1997 5,491,608'Shockproof and portable disk storage apparatus having shock absorbers on all sides of a head/disk enclosure and a coplanar electronic card'1996 D0358138'Portable hard disk drive'1995 5,402,308'Portable disk storage apparatus using flexible cable for shock absorption'1995

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1995–2004Patents assigned to IBM (9)· patent assignee history

1995–2004Based in Yokohama, JP· patent location history

2004Patents assigned to HITACHI GLOBAL STORAGE TECH (1)· patent assignee history

2004Patents assigned to NOK CORP (1)· patent assignee history

2004Based in Fujisawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
IBM	9	1995–2004
HITACHI GLOBAL STORAGE TECH	1	2004
NOK CORP	1	2004

Locations

Location	Patents	Span
Yokohama, JP	9	1995–2004
Fujisawa, JP	1	2004