Inventor
NIWA YOSHIKATSU
JP17 patents
⚠️ This page may combine multiple inventors who share the name “NIWA YOSHIKATSU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CORP
15 patentsUS5528571AJun 18, 1996
Optical disc apparatus
SONY CORP234 citations99
US6310851B1Oct 30, 2001
Frequency demodulating circuit, optical disk apparatus thereof and preformating device
SONY CORP55 citations96
US5541903AJul 30, 1996
System for accessing a disc drive with defect information
SONY CORP100 citations96
US5508989AApr 16, 1996
Optical disc apparatus
SONY CORP69 citations96
US6385257B1May 7, 2002
Frequency demodulating circuit, optical disk apparatus thereof and preformating device
SONY CORP44 citations92
US6223247B1Apr 24, 2001
Disk shaped recording medium and drive apparatus utilizing logical block address conversion and start addresses which increase from inner and outer circumferential sides of the medium
SONY CORP49 citations92
US5841752ANov 24, 1998
Disc drive unit
SONY CORP18 citations92
US5815470ASep 29, 1998
Disc drive unit
SONY CORP17 citations92
US6678223B2Jan 13, 2004
Frequency demodulating circuit, optical disk apparatus thereof and preformating device
SONY CORP6 citations73
US6909699B2Jun 21, 2005
Data transfer system, data transfer management apparatus and data transfer method
SONY CORP10 citations72
US7940805B2May 10, 2011
Receiving device, clock synchronizing method, and computer program
SONY CORP4 citations62
US8019202B2Sep 13, 2011
Content reproduction appratus, content reproduction method, and content reproduction system with varied-speed reproduction requests
SONY CORP4 citations61
US7870281B2Jan 11, 2011
Content playback device, content playback method, computer-readable storage medium, and content playback system
SONY CORP6 citations61
US7321938B2Jan 22, 2008
Data transfer apparatus, network system, and data transfer method
SONY CORP0 citations40
US7630303B2Dec 8, 2009
Communication control method and network system
SONY CORP0 citations33