Inventor · disambiguated record
Junghwan Chang
Also filed as: CHANG JUNGHWAN
2 granted patents·33 citations·filing 2001–2019
55Inventor score
Top patents by PatentIndex Score
2 records- 0181US6628034B2Brushless DC motor with armature windings compensated by auxiliary windingsHANYANG HAK WON CO LTD·Filed 2001·Granted Sep 30, 2003·33 cites·6 claims
- 0237US11465251B2Built-in type electric driving system of machine tool and operation method thereforKHAN WORKHOLDING CO LTD·Filed 2019·Granted Oct 11, 2022·0 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →