P

Inventor

SAITO MAKOTO

JP310 patents
⚠️ This page may combine multiple inventors who share the name “SAITO MAKOTO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MITSUBISHI CORP

25 patents
US6424715B1Jul 23, 2002

Digital content management system and apparatus

MITSUBISHI CORP146 citations99
US6408390B1Jun 18, 2002

Apparatus for data copyright management system

MITSUBISHI CORP111 citations99
US6182218B1Jan 30, 2001

Digital content management system using electronic watermark

MITSUBISHI CORP220 citations99
US6002772ADec 14, 1999

Data management system

MITSUBISHI CORP333 citations99
US5974141AOct 26, 1999

Data management system

MITSUBISHI CORP343 citations99
US5867579AFeb 2, 1999

Apparatus for data copyright management system

MITSUBISHI CORP176 citations99
US5740246AApr 14, 1998

Crypt key system

MITSUBISHI CORP174 citations99
US5646999AJul 8, 1997

Data coypright management method

MITSUBISHI CORP220 citations99
US6741991B2May 25, 2004

Data management system

MITSUBISHI CORP83 citations98
US6076077AJun 13, 2000

Data management system

MITSUBISHI CORP117 citations98
US6069952AMay 30, 2000

Data copyright management system

MITSUBISHI CORP151 citations98
US6789197B1Sep 7, 2004

Apparatus for data copyright management system

MITSUBISHI CORP57 citations96
US6744894B1Jun 1, 2004

Data management system

MITSUBISHI CORP56 citations96
US6721887B2Apr 13, 2004

Data copyright management system

MITSUBISHI CORP33 citations96
US6463536B2Oct 8, 2002

Data copyright management system

MITSUBISHI CORP57 citations96
US6449717B1Sep 10, 2002

Data copyright management system

MITSUBISHI CORP53 citations96
US6438694B2Aug 20, 2002

Apparatus for data copyright management system

MITSUBISHI CORP43 citations96
US6272635B1Aug 7, 2001

Data copyright management system

MITSUBISHI CORP34 citations96
US6097818AAug 1, 2000

Data copyright management method

MITSUBISHI CORP56 citations96
US6097816AAug 1, 2000

Crypt key system

MITSUBISHI CORP63 citations96
US5901339AMay 4, 1999

Pay broadcasting system

MITSUBISHI CORP69 citations96
US5794115AAug 11, 1998

Pay broadcasting system having a broadcasting station and a charging center

MITSUBISHI CORP41 citations96
US5504933AApr 2, 1996

Pay broadcasting system

MITSUBISHI CORP88 citations96
US6081794AJun 27, 2000

Data copyright management system

MITSUBISHI CORP58 citations95
US5848158ADec 8, 1998

Data copyright management system

MITSUBISHI CORP86 citations95

DENSO CORP

8 patents

CANON KK

3 patents

TONEN CORP

3 patents

SAITO MAKOTO

2 patents

KAJIMA CORP

2 patents

FRAUNHOFER GES FORSCHUNG

1 patent

INTARSIA SOFTWARE LLC

1 patent

MITSUBISHI MATERIAL SILICON

1 patent

HITACHI LTD

1 patent

TOMY KOGYO CO

1 patent

NISSAN MOTOR

1 patent

MITSUBISHI ELECTRIC CORP

1 patent

Showing the top 50 of 310 patents by PatentIndex Score.