Inventor · disambiguated record
Kyohji Tsutsui
Also filed as: TSUTSUI KYOHJI
3 granted patents·154 citations·filing 1995–2000
76Inventor score
Top patents by PatentIndex Score
3 records- 0197US6514328B1Marking ink composition and display medium using the sameRICOH KK·Filed 2000·Granted Feb 4, 2003·111 cites·24 claims
- 0286US6524759B1Reversible recording medium, and reversible recording method and apparatus using the sameAGENCY IND SCIENCE TECHN·Filed 2000·Granted Feb 25, 2003·22 cites·63 claims
- 0367US5547500AReversible thermal coloring compositions, and recording media and methods using the sameRICOH KK·Filed 1995·Granted Aug 20, 1996·21 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →