P

Inventor

WANG XIN

JP1,081 patents
⚠️ This page may combine multiple inventors who share the name “WANG XIN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CONTENTGUARD HOLDINGS INC

15 patents
US6885748B1Apr 26, 2005

System and method for protection of digital works

CONTENTGUARD HOLDINGS INC161 citations99
US7356688B1Apr 8, 2008

System and method for document distribution

CONTENTGUARD HOLDINGS INC60 citations98
US7206765B2Apr 17, 2007

System and method for supplying and managing usage rights based on rules

CONTENTGUARD HOLDINGS INC145 citations98
US7028009B2Apr 11, 2006

Method and apparatus for distributing enforceable property rights

CONTENTGUARD HOLDINGS INC103 citations98
US6976009B2Dec 13, 2005

Method and apparatus for assigning consequential rights to documents and documents having such rights

CONTENTGUARD HOLDINGS INC101 citations98
US6937726B1Aug 30, 2005

System and method for protecting data files by periodically refreshing a decryption key

CONTENTGUARD HOLDINGS INC69 citations98
US6931545B1Aug 16, 2005

Systems and methods for integrity certification and verification of content consumption environments

CONTENTGUARD HOLDINGS INC156 citations98
US6895503B2May 17, 2005

Method and apparatus for hierarchical assignment of rights to documents and documents having such rights

CONTENTGUARD HOLDINGS INC90 citations98
US6876984B2Apr 5, 2005

Method and apparatus for establishing usage rights for digital content to be created in the future

CONTENTGUARD HOLDINGS INC84 citations98
US6519700B1Feb 11, 2003

Self-protecting documents

CONTENTGUARD HOLDINGS INC167 citations98
US7222104B2May 22, 2007

Method and apparatus for transferring usage rights and digital work having transferrable usage rights

CONTENTGUARD HOLDINGS INC58 citations96
US6954738B2Oct 11, 2005

Method and apparatus for distributing enforceable property rights

CONTENTGUARD HOLDINGS INC66 citations96
US6859533B1Feb 22, 2005

System and method for transferring the right to decode messages in a symmetric encoding scheme

CONTENTGUARD HOLDINGS INC59 citations96
US7068787B1Jun 27, 2006

System and method for protection of digital works

CONTENTGUARD HOLDINGS INC100 citations95
US6912294B2Jun 28, 2005

Multi-stage watermarking process and system

CONTENTGUARD HOLDINGS INC84 citations95

WANG XIN

7 patents

GEN ELECTRIC

3 patents

APPLE INC

2 patents

FUTUREWEI TECHNOLOGIES INC

2 patents

IBM

2 patents

A10 NETWORKS INC

2 patents

SHENZHEN KEYA MEDICAL TECH CORPORATION

2 patents

STC UNM

1 patent

(unassigned)

1 patent

UNIV NEW YORK STATE RES FOUND

1 patent

RICHEN IND (H K ) LTD

1 patent

HUMANSCALE CORP

1 patent

CHEN LEE

1 patent

FAN SHENGYIN

1 patent

APRIO TECHNOLOGIES INC

1 patent

BROADCOM CORP

1 patent

UNIV NEW SOUTH WALES

1 patent

G FORCE INC

1 patent

NICIRA INC

1 patent

FUJITSU LTD

1 patent

OMNIVISION TECH INC

1 patent

SALESFORCE COM INC

1 patent

Showing the top 50 of 1,081 patents by PatentIndex Score.