Inventor
SANO FUMIHIKO
JP35 patents
⚠️ This page may combine multiple inventors who share the name “SANO FUMIHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOSHIBA KK
20 patentsUS7194090B2Mar 20, 2007
Encryption apparatus, decryption apparatus, expanded key generating apparatus and method therefor, and recording medium
TOSHIBA KK60 citations97
US6917684B1Jul 12, 2005
Method of encryption and decryption with block number dependant key sets, each set having a different number of keys
TOSHIBA KK69 citations97
US6940975B1Sep 6, 2005
Encryption/decryption apparatus, encryption/decryption method, and program storage medium therefor
TOSHIBA KK59 citations96
US6842523B1Jan 11, 2005
Encryption apparatus, cryptographic communication system, key recovery system, and storage medium
TOSHIBA KK64 citations94
US6985582B1Jan 10, 2006
Encryption/decryption unit and storage medium
TOSHIBA KK26 citations93
US6772343B1Aug 3, 2004
Data processor, communication system and recording medium
TOSHIBA KK24 citations93
US7227948B2Jun 5, 2007
Encryption apparatus and method, and decryption apparatus and method based on block encryption
TOSHIBA KK29 citations92
US7305085B2Dec 4, 2007
Encryption apparatus and method, and decryption apparatus and method based on block encryption
TOSHIBA KK17 citations84
US7209556B2Apr 24, 2007
Encryption apparatus and method, and decryption apparatus and method based on block encryption
TOSHIBA KK12 citations84
US6876059B2Apr 5, 2005
Semiconductor integrated circuit device and method of manufacturing the same
TOSHIBA KK12 citations84
US6819764B1Nov 16, 2004
Data processor, communication system and recording medium
TOSHIBA KK14 citations84
US7039184B2May 2, 2006
Encryption/decryption unit and storage medium
TOSHIBA KK6 citations74
US5867113AFeb 2, 1999
Variable length code decoding apparatus having parallel start code and shift operations
TOSHIBA KK7 citations71
US10346639B2Jul 9, 2019
Anonymization identifier computing system
TOSHIBA KK1 citations55
US12333011B2Jun 17, 2025
Information processing apparatus, information processing method, and recording medium
TOSHIBA KK0 citations51
US12314749B2May 27, 2025
Information processing apparatus, information processing method, and recording medium
TOSHIBA KK0 citations51
US12057198B2Aug 6, 2024
Terminal device, data processing method, and program
TOSHIBA KK0 citations51
US12591663B2Mar 31, 2026
Information processing device, information processing method, and information processing computer program product
TOSHIBA KK0 citations49
US12260206B2Mar 25, 2025
Information processing device, information processing system and non-transitory computer readable medium
TOSHIBA KK0 citations49
US10229277B2Mar 12, 2019
Code processing apparatus and computer program product
TOSHIBA KK0 citations39
PIONEER ELECTRONIC CORP
5 patentsUS5673245ASep 30, 1997
Rotary optical system for guiding and converging divided light beams to a tape recording medium
PIONEER ELECTRONIC CORP30 citations92
US6075759AJun 13, 2000
Optical information recording and reproducing apparatus
PIONEER ELECTRONIC CORP19 citations84
US5982733ANov 9, 1999
Optical head
PIONEER ELECTRONIC CORP10 citations74
US5555538ASep 10, 1996
Optical pickup
PIONEER ELECTRONIC CORP8 citations74
US5894460AApr 13, 1999
Magneto-optical card recording apparatus employing an initialization magnet and a recording magnet
PIONEER ELECTRONIC CORP10 citations73