Inventor · disambiguated record
Wing Yam Liu
Also filed as: LIU WING YAM
2 granted patents·4 pending applications·0 citations·filing 2018–2025
27Inventor score
Technology areasC09D
Files withSOCIéTé BIC6
Top patents by PatentIndex Score
6 records- 0170US2025250449A1Non-newtonian ballpoint pen ink comprising cellulose nanofibersSOCIéTé BIC·Filed 2025·Application pending·0 cites
- 0263US12297362B2Non newtonian ballpoint pen ink comprising cellulose nanofibersSOCIéTé BIC·Filed 2020·Granted May 13, 2025·0 cites·17 claims
- 0362US11891530B2Writing gel inkSOCIéTé BIC·Filed 2018·Granted Feb 6, 2024·0 cites·17 claims
- 0453US2024059915A1Color-change inkSOCIéTé BIC·Filed 2021·Application pending·0 cites
- 0551US2023265312A1Writing gel inkSOCIéTé BIC·Filed 2021·Application pending·0 cites
- 0649US2023159787A1Writing gel inkSOCIéTé BIC·Filed 2021·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →