Inventor · disambiguated record
Chikako Tsuchiyama
Also filed as: TSUCHIYAMA CHIKAKO
1 granted patent·2 pending applications·19 citations·filing 2001–2002
39Inventor score
Files withHITACHI LTD1
Top patents by PatentIndex Score
3 records- 0173US7010569B2Method of information display and communication system using the methodHITACHI LTD·Filed 2001·Granted Mar 7, 2006·19 cites·3 claims
- 0237US2002129255A1Digital signature or electronic seal authentication system and recognized mark management programFiled 2002·Application pending·0 cites
- 0332US2002002682A1Data display method and systemFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →