P

Inventor

YOSHIOKA MAKOTO

JP75 patents
⚠️ This page may combine multiple inventors who share the name “YOSHIOKA MAKOTO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

FUJITSU LTD

30 patents
US5857021AJan 5, 1999

Security system for protecting information stored in portable storage media

FUJITSU LTD264 citations99
US5805699ASep 8, 1998

Software copying system

FUJITSU LTD202 citations99
US5796824AAug 18, 1998

Storage medium for preventing an irregular use by a third party

FUJITSU LTD163 citations99
US5737413AApr 7, 1998

Information distribution system wherein storage medium storing ciphered information is distributed

FUJITSU LTD180 citations99
US5555304ASep 10, 1996

Storage medium for preventing an illegal use by a third party

FUJITSU LTD109 citations99
US5392351AFeb 21, 1995

Electronic data protection system

FUJITSU LTD373 citations99
US5818812AOct 6, 1998

Optical recording medium and reproducing method for the same

FUJITSU LTD95 citations98
US6873975B1Mar 29, 2005

Content usage control system, content usage apparatus, computer readable recording medium with program recorded for computer to execute usage method

FUJITSU LTD247 citations96
US6314434B1Nov 6, 2001

Structured data management system and computer-readable method for storing structured data management program

FUJITSU LTD142 citations96
US6279006B1Aug 21, 2001

Structured data management system and computer-readable recording medium storing structured data management program

FUJITSU LTD123 citations96
US5884280AMar 16, 1999

System for and method of distributing proceeds from contents

FUJITSU LTD193 citations96
US5812661ASep 22, 1998

Software reproduction apparatus

FUJITSU LTD59 citations96
US5440631AAug 8, 1995

Information distribution system wherein storage medium storing ciphered information is distributed

FUJITSU LTD55 citations96
US6460137B1Oct 1, 2002

Encryption processing system

FUJITSU LTD69 citations95
US5553216ASep 3, 1996

Structured database system together with structure definition frame storing document body data

FUJITSU LTD134 citations95
US5805800ASep 8, 1998

Apparatus and method for controlling storage medium using security capabilities

FUJITSU LTD90 citations94
US6636970B2Oct 21, 2003

Software encoding using a combination of two types of encoding and encoding type identification information

FUJITSU LTD27 citations93
US5918215AJun 29, 1999

Content sales price accounting system and accounting method thereof

FUJITSU LTD63 citations93
US5812663ASep 22, 1998

Data reproducing device

FUJITSU LTD27 citations93
US5768387AJun 16, 1998

Key authentication method and key authentication apparatus

FUJITSU LTD35 citations93
US5737415AApr 7, 1998

Data management module, data reproduction management device and data reproduction management system

FUJITSU LTD34 citations93
US5680453AOct 21, 1997

Software delivery system, center device, relaying device and user terminal device

FUJITSU LTD38 citations93
US6247131B1Jun 12, 2001

Information management method and recording medium

FUJITSU LTD36 citations92
US5909688AJun 1, 1999

Information management system

FUJITSU LTD42 citations90
US5809300ASep 15, 1998

Removable storage medium and computer system using the same

FUJITSU LTD10 citations74
US5774651AJun 30, 1998

False statement detection system

FUJITSU LTD12 citations74
US5560724AOct 1, 1996

Keyboard having improved keytop

FUJITSU LTD11 citations74
US5486059AJan 23, 1996

Keyboard having improved keytop

FUJITSU LTD5 citations74
US7016878B2Mar 21, 2006

Content sales period verifying system and content decryption key effective period verifying system

FUJITSU LTD8 citations71
USRE39802EAug 28, 2007

Storage medium for preventing an irregular use by a third party

FUJITSU LTD2 citations63

MURATA MANUFACTURING CO

14 patents

CONVERGENE LLC

3 patents

RICOH KK

1 patent

SANYO ELECTRIC CO

1 patent

BRIDGESTONE TIRE CO LTD

1 patent

Showing the top 50 of 75 patents by PatentIndex Score.