Nova Patents
ATE435537T1

Information recording/reproducing apparatus and method having a tree structure of encryption keys

Abstract

This record has no abstract on file.

Term

Term ended

Projected expiry passed 5 April 2021, 5.5 years ago.

  1. Priority
  2. Filed
  3. Published
  4. Projected expiry
  5. Today

36 members in 13 offices

This recordMember, by publication datePriority claim3 more offices are in the list below

Priority claims3

Priority claims
DocumentOfficeKindDate
2000105328JapanA
2000243205JapanA
0102963JapanW

Members36

Family members, oldest first
DocumentOfficeKind
CA2372545A1CanadaA1
CA2372552A1CanadaA1
WO0178300A1World Intellectual Property Organization (WIPO)A1
WO0178301A1World Intellectual Property Organization (WIPO)A1
AU4684501AAustraliaA
AU4685701AAustraliaA
JP2001352322AJapanA
JP2002063763AJapanA
EP1185022A1European Patent Office (EPO)A1
EP1185023A1European Patent Office (EPO)A1
KR20020021119ARepublic of KoreaA
KR20020021120ARepublic of KoreaA
MXPA01012405AMexicoA
HU0202148A2HungaryA2
HUP0202148A2HungaryA2
CN1383643AChinaA
CN1383645AChinaA
US2003016826A1United States of AmericaA1
US2003016827A1United States of AmericaA1
RU2002100080ARussian FederationA
AU781884B2AustraliaB2
RU2273894C2Russian FederationC2
EP1185022A4European Patent Office (EPO)A4
US7093128B2United States of AmericaB2
EP1185023A4European Patent Office (EPO)A4
CN1294718CChinaC
US7225339B2United States of AmericaB2
KR100746537B1Republic of KoreaB1
KR100746892B1Republic of KoreaB1
CA2372545CCanadaC
EP1185022B1European Patent Office (EPO)B1
AT435537TAustriaT
ATE435537T1This recordAustriaT1
DE60139104D1GermanyD1
JP4370721B2JapanB2
JP4622064B2JapanB2