Inventor
SHIRAISHI KYOHEI
US6 patents
Patents
6 patentsUS9990474B2Jun 5, 2018
Access control for selected document contents using document layers and access key sequence
KONICA MINOLTA LABORATORY USA INC3 citations70
US10409965B2Sep 10, 2019
Hybrid digital rights management system and related document access authorization method
KONICA MINOLTA LABORATORY USA INC0 citations49
US10079833B2Sep 18, 2018
Digital rights management system with confirmation notification to document publisher during document protection and distribution
KONICA MINOLTA LABORATORY USA INC1 citations49
US9959395B2May 1, 2018
Hybrid digital rights management system and related document access authorization method
KONICA MINOLTA LABORATORY USA INC1 citations49
US10614433B2Apr 7, 2020
Hybrid digital rights management system and related document protection method
KONICA MINOLTA LABORATORY USA INC0 citations39
US9716693B2Jul 25, 2017
Digital rights management for emails and attachments
KONICA MINOLTA LABORATORY USA INC0 citations39