Inventor · disambiguated record
Tatsuro Arai
Also filed as: ARAI TATSURO
0 granted patents·6 pending applications·0 citations·filing 2001–2003
Files withHITACHI LTD2
Top patents by PatentIndex Score
6 records- 0149US2005044049A1License and privilege management method in digital contents saleFiled 2003·Application pending·0 cites
- 0245US2002111864A1System and method for managing a couponHITACHI LTD·Filed 2002·Application pending·0 cites
- 0344US2002077907A1System and method for managing a couponFiled 2001·Application pending·0 cites
- 0442US2002165987A1Digital contents watching method and its systemHITACHI LTD·Filed 2002·Application pending·0 cites
- 0540US2002077989A1Method and system for calculating licensing fee of digital contents and medium recorded with operational program for the method and systemFiled 2001·Application pending·0 cites
- 0639US2001007980A1Electronic book system and its contents display methodFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →