Inventor · disambiguated record
Yingchang Ma
Also filed as: MA YINGCHANG
4 granted patents·41 citations·filing 2020–2020
76Inventor score
Files withWAHL CLIPPER CORP4
Top patents by PatentIndex Score
4 records- 0189USD973278SHair clipperWAHL CLIPPER CORP·Filed 2020·Granted Dec 20, 2022·18 cites·1 claims
- 0280USD965897SAttachment comb for hair cutting applianceWAHL CLIPPER CORP·Filed 2020·Granted Oct 4, 2022·9 cites·1 claims
- 0378USD965898SAttachment comb for hair cutting applianceWAHL CLIPPER CORP·Filed 2020·Granted Oct 4, 2022·8 cites·1 claims
- 0473USD973279SHair clipper lidWAHL CLIPPER CORP·Filed 2020·Granted Dec 20, 2022·6 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →