Inventor · disambiguated record

Chien-Tsan Chan

Also filed as: CHAN CHIEN-TSAN

2 granted patents·4 citations·filing 2020–2021

39Inventor score

Technology areasA46B A61G

Files withYUAN YOANG IND CO LTD2

Top patents by PatentIndex Score

2 records

0177US11541923B2Wheel-at-rest automatic brake structureYUAN YOANG IND CO LTD·Filed 2020·Granted Jan 3, 2023·4 cites·8 claims
0242US11684145B2Built-in toothpaste type toothbrush structureYUAN YOANG IND CO LTD·Filed 2021·Granted Jun 27, 2023·0 cites·5 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →