Inventor · disambiguated record
Yukiko Ryu
Also filed as: RYU YUKIKO
4 granted patents·1 pending application·15 citations·filing 1996–2001
72Inventor score
Files withJUJO PAPER CO LTD4
Top patents by PatentIndex Score
5 records- 0144US5792863AAcridine derivatives and metal complexes thereof used for transparent recording medium or optical recording mediumJUJO PAPER CO LTD·Filed 1996·Granted Aug 11, 1998·5 cites·11 claims
- 0242US6440897B1Thermally sensitive recording mediumJUJO PAPER CO LTD·Filed 1999·Granted Aug 27, 2002·6 cites·8 claims
- 0338US5892042AAcridine derivative metal complexes used for transparent recording medium or optical recording mediumJUJO PAPER CO LTD·Filed 1997·Granted Apr 6, 1999·1 cites·18 claims
- 0438US2004040681A1Bulky flexible paper and process for producing the sameFiled 2001·Application pending·0 cites
- 0535US5919928APhenanthridine derivatives and metal complexes thereof used for transparent recording medium or optical recording mediumJUJO PAPER CO LTD·Filed 1997·Granted Jul 6, 1999·3 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →