Inventor · disambiguated record
Yoshikatsu Niwa
Also filed as: NIWA YOSHIKATSU
17 granted patents·8 pending applications·623 citations·filing 1994–2022
95Inventor score
Top patents by PatentIndex Score
25 records- 0199US5528571AOptical disc apparatusSONY CORP·Filed 1994·Granted Jun 18, 1996·234 cites·12 claims
- 0296US5541903ASystem for accessing a disc drive with defect informationSONY CORP·Filed 1994·Granted Jul 30, 1996·100 cites·11 claims
- 0394US6310851B1Frequency demodulating circuit, optical disk apparatus thereof and preformating deviceSONY CORP·Filed 2000·Granted Oct 30, 2001·55 cites·13 claims
- 0492US5508989AOptical disc apparatusSONY CORP·Filed 1995·Granted Apr 16, 1996·69 cites·10 claims
- 0587US6385257B1Frequency demodulating circuit, optical disk apparatus thereof and preformating deviceSONY CORP·Filed 1998·Granted May 7, 2002·44 cites·8 claims
- 0686US6223247B1Disk shaped recording medium and drive apparatus utilizing logical block address conversion and start addresses which increase from inner and outer circumferential sides of the mediumSONY CORP·Filed 1996·Granted Apr 24, 2001·49 cites·19 claims
- 0779US7870281B2Content playback device, content playback method, computer-readable storage medium, and content playback systemSONY CORP·Filed 2008·Granted Jan 11, 2011·6 cites·20 claims
- 0874US8255555B2Reception apparatus and method for reducing time delay in channel switchingTAKEMURA TOMOAKI·Filed 2009·Granted Aug 28, 2012·5 cites·18 claims
- 0973US8019202B2Content reproduction appratus, content reproduction method, and content reproduction system with varied-speed reproduction requestsSONY CORP·Filed 2008·Granted Sep 13, 2011·4 cites·10 claims
- 1069US7940805B2Receiving device, clock synchronizing method, and computer programSONY CORP·Filed 2009·Granted May 10, 2011·4 cites·7 claims
- 1169US6678223B2Frequency demodulating circuit, optical disk apparatus thereof and preformating deviceSONY CORP·Filed 2002·Granted Jan 13, 2004·6 cites·3 claims
- 1268US5815470ADisc drive unitSONY CORP·Filed 1997·Granted Sep 29, 1998·17 cites·2 claims
- 1367US5841752ADisc drive unitSONY CORP·Filed 1995·Granted Nov 24, 1998·18 cites·10 claims
- 1464US6909699B2Data transfer system, data transfer management apparatus and data transfer methodSONY CORP·Filed 2001·Granted Jun 21, 2005·10 cites·6 claims
- 1559US8244897B2Content reproduction apparatus, content reproduction method, and programNIWA YOSHIKATSU·Filed 2008·Granted Aug 14, 2012·2 cites·21 claims
- 1650US2025196690A1Power management apparatus, power management method, storage medium, and power management systemNEC CORP·Filed 2022·Application pending·0 cites
- 1749US2025042289A1Management device, management system, and management methodNEC CORP·Filed 2021·Application pending·0 cites
- 1845US2024259870A1Transmission device, communication system, transmission method, and non-transitory computer-readable mediumNEC CORP·Filed 2021·Application pending·0 cites
- 1944US2010100635A1Reception Apparatus, Content Reception Method, and ProgramTAKEMURA TOMOAKI·Filed 2009·Application pending·0 cites
- 2042US7321938B2Data transfer apparatus, network system, and data transfer methodSONY CORP·Filed 2001·Granted Jan 22, 2008·0 cites·6 claims
- 2141US2002061025A1Data transmitting and receiving apparatus and data transmitting and receiving methodFiled 2001·Application pending·0 cites
- 2241US2025133530A1Information processing system, information processing apparatus, information processing method, and storage mediumNEC CORP·Filed 2022·Application pending·0 cites
- 2338US2001044861A1Information processing apparatus, information processing method and bridge utilizing the sameFiled 2001·Application pending·0 cites
- 2437US2001044869A1Interface unit for digital serial data, bridge portal utilizing the same, and a method for transmitting digital dataFiled 2001·Application pending·0 cites
- 2536US7630303B2Communication control method and network systemSONY CORP·Filed 2002·Granted Dec 8, 2009·0 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →